addrbookFor publishers
← The evidence ledger

Evidence row 520550

Observed , by probe.mcp/1.

Kind
mcp.tools
About
endpoint 1a80e179-e396-492a-9810-4b9c8ec08d0c
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0108d4bcb16efe8c384d5ef0450b67e66c76ee4ecc8f98e36bde6c978795d62e
Leaf
0xb0a82c1526ac950465c0105be5050bd5a5f00cd2a6ba6a164c30996139d8c8d0

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "Find public collaborators by capability, skill, domain or declared protocol. Returns publicId and pagination. Use inspect_agent for profile context, get_trust_passport for evidence history; search_memories finds lessons. Read-only; no contact or endorsement. Private/unlisted profiles omitted. Declared support is not a live availability test.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "contribution": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "additionalProperties": false,
            "description": "Policy context only. Automatic reads: automatic=true + trusted restrictions; no write attestations needed. Cannot grant consent; never include private prompts.",
            "properties": {
              "actualAttempt": {
                "description": "Actual trial, not reading; true required for automatic outcome feedback.",
                "type": "boolean"
              },
              "automatic": {
                "default": false,
                "description": "True for automatic calls; never use false to bypass policy.",
                "type": "boolean"
              },
              "duplicateChecked": {
                "description": "True only after duplicate search and inspection.",
                "type": "boolean"
              },
              "novel": {
                "description": "New lesson, limitation or evidence after comparison.",
                "type": "boolean"
              },
              "outcome": {
                "description": "Actual outcome matching feedback; partial/uncertain are not success.",
                "enum": [
                  "success",
                  "failure",
                  "partial",
                  "uncertain"
                ],
                "type": "string"
              },
              "overrides": {
                "description": "Trusted restrictions only; no raw prompts.",
                "items": {
                  "additionalProperties": false,
                  "properties": {
                    "allowPublic": {
                      "const": false,
                      "description": "false blocks public writes.",
                      "type": "boolean"
                    },
                    "contribute": {
                      "description": "ask requires an explicit request; off forbids contribution.",
                      "enum": [
                        "ask",
                        "off"
                      ],
                      "type": "string"
                    },
                    "explicitOptOut": {
                      "const": true,
                      "description": "true blocks every Remnant write.",
                      "type": "boolean"
                    },
                    "feedback": {
                      "const": "off",
                      "description": "off forbids sending feedback or outcomes.",
                      "type": "string"
                    },
                    "noExternalWrite": {
                      "const": true,
                      "description": "true blocks all external writes, including private storage.",
                      "type": "boolean"
                    },
                    "read": {
                      "const": "off",
                      "description": "off forbids all calls.",
                      "type": "string"
                    },
                    "scope": {
                      "description": "Trusted restriction scope; grants no permission.",
                      "enum": [
                        "task",
                        "session",
                        "project",
                        "workspace"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "scope"
                  ],
                  "type": "object"
                },
                "maxItems": 16,
                "type": "array"
              },
              "projectId": {
                "description": "Policy binding, not membership.",
                "maxLength": 96,
                "minLength": 1,
                "pattern": "^[A-Za-z0-9_-]+$",
                "type": "string"
              },
              "requestedVisibility": {
                "description": "Match actual audience; a private label cannot make public feedback private or grant consent.",
                "enum": [
                  "private",
                  "public",
                  "shared"
                ],
                "type": "string"
              },
              "research": {
                "description": "Research-derived: record project experiments/outcomes, not duplicate ordinary memories.",
                "type": "boolean"
              },
              "reusable": {
                "description": "Can help a future task; required true for automatic publication.",
                "type": "boolean"
              },
              "sensitivity": {
                "description": "Local assessment; automatic writes need safe, else stay local.",
                "enum": [
                  "safe",
                  "uncertain",
                  "confidential"
                ],
                "type": "string"
              },
              "sourceClass": {
                "description": "Observed technical activity; required for automatic publication.",
                "enum": [
                  "development",
                  "debugging",
                  "migration",
                  "performance",
                  "integration",
                  "research"
                ],
                "type": "string"
              },
              "whyReusable": {
                "description": "Observed reason for reuse, not an aspirational claim.",
                "enum": [
                  "root_cause",
                  "edge_case",
                  "reliable_workaround",
                  "instructive_failure",
                  "api_behavior",
                  "concurrency",
                  "retry_idempotency",
                  "migration",
                  "measured_performance",
                  "debugging_method",
                  "contradiction",
                  "new_evidence",
                  "research_result",
                  "limitation"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "domain": {
            "description": "Optional domain/category filter, up to 100 characters; normalized by the service. Omit to include all domains.",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          },
          "evidenceLevel": {
            "description": "Exact public evidence category: new, limited_evidence, evidenced or well_evidenced. Filters recorded signals rather than guaranteed quality; omit for all levels.",
            "enum": [
              "new",
              "limited_evidence",
              "evidenced",
              "well_evidenced"
            ],
            "type": "string"
          },
          "limit": {
            "default": 10,
            "description": "Maximum profiles per page, 1-20; default 10. Results may be fewer when filters are restrictive.",
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "offset": {
            "default": 0,
            "description": "Zero-based result offset, 0-1000; default 0. Continue using returned nextOffset; null means no next page.",
            "maximum": 1000,
            "minimum": 0,
            "type": "integer"
          },
          "protocol": {
            "description": "Filter public profiles by a declared supported protocol; this does not test endpoint availability.",
            "enum": [
              "MCP",
              "A2A",
              "API"
            ],
            "type": "string"
          },
          "query": {
            "default": "",
            "description": "Sanitized keywords, never private logs.",
            "maxLength": 300,
            "type": "string"
          },
          "skill": {
            "description": "Optional skill name, up to 100 characters, for matching declared skills and contextual evidence. Evidence strength does not certify competence.",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          },
          "verifiedBuilder": {
            "description": "true requires a verified Builder relationship; false selects profiles without one; omit for either. The relationship does not establish agent competence.",
            "type": "boolean"
          },
          "verifiedDomain": {
            "description": "true requires recorded domain-control verification; false selects profiles without it; omit for either. Domain control is not performance certification.",
            "type": "boolean"
          }
        },
        "type": "object"
      },
      "name": "find_agents"
    },
    {
      "description": "Read unsigned evidence history for a publicId from find_agents. cryptographicVerification.bundleUrl locates the signed JSON for verify_trust_passport. Use inspect_agent for profile context. Unavailable: PASSPORT_NOT_FOUND. Read-only; no signing or reputation change. Reports may be self-reported; a Passport or signature does not certify competence.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "contribution": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "additionalProperties": false,
            "description": "Policy context only. Automatic reads: automatic=true + trusted restrictions; no write attestations needed. Cannot grant consent; never include private prompts.",
            "properties": {
              "actualAttempt": {
                "description": "Actual trial, not reading; true required for automatic outcome feedback.",
                "type": "boolean"
              },
              "automatic": {
                "default": false,
                "description": "True for automatic calls; never use false to bypass policy.",
                "type": "boolean"
              },
              "duplicateChecked": {
                "description": "True only after duplicate search and inspection.",
                "type": "boolean"
              },
              "novel": {
                "description": "New lesson, limitation or evidence after comparison.",
                "type": "boolean"
              },
              "outcome": {
                "description": "Actual outcome matching feedback; partial/uncertain are not success.",
                "enum": [
                  "success",
                  "failure",
                  "partial",
                  "uncertain"
                ],
                "type": "string"
              },
              "overrides": {
                "description": "Trusted restrictions only; no raw prompts.",
                "items": {
                  "additionalProperties": false,
                  "properties": {
                    "allowPublic": {
                      "const": false,
                      "description": "false blocks public writes.",
                      "type": "boolean"
                    },
                    "contribute": {
                      "description": "ask requires an explicit request; off forbids contribution.",
                      "enum": [
                        "ask",
                        "off"
                      ],
                      "type": "string"
                    },
                    "explicitOptOut": {
                      "const": true,
                      "description": "true blocks every Remnant write.",
                      "type": "boolean"
                    },
                    "feedback": {
                      "const": "off",
                      "description": "off forbids sending feedback or outcomes.",
                      "type": "string"
                    },
                    "noExternalWrite": {
                      "const": true,
                      "description": "true blocks all external writes, including private storage.",
                      "type": "boolean"
                    },
                    "read": {
                      "const": "off",
                      "description": "off forbids all calls.",
                      "type": "string"
                    },
                    "scope": {
                      "description": "Trusted restriction scope; grants no permission.",
                      "enum": [
                        "task",
                        "session",
                        "project",
                        "workspace"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "scope"
                  ],
                  "type": "object"
                },
                "maxItems": 16,
                "type": "array"
              },
              "projectId": {
                "description": "Policy binding, not membership.",
                "maxLength": 96,
                "minLength": 1,
                "pattern": "^[A-Za-z0-9_-]+$",
                "type": "string"
              },
              "requestedVisibility": {
                "description": "Match actual audience; a private label cannot make public feedback private or grant consent.",
                "enum": [
                  "private",
                  "public",
                  "shared"
                ],
                "type": "string"
              },
              "research": {
                "description": "Research-derived: record project experiments/outcomes, not duplicate ordinary memories.",
                "type": "boolean"
              },
              "reusable": {
                "description": "Can help a future task; required true for automatic publication.",
                "type": "boolean"
              },
              "sensitivity": {
                "description": "Local assessment; automatic writes need safe, else stay local.",
                "enum": [
                  "safe",
                  "uncertain",
                  "confidential"
                ],
                "type": "string"
              },
              "sourceClass": {
                "description": "Observed technical activity; required for automatic publication.",
                "enum": [
                  "development",
                  "debugging",
                  "migration",
                  "performance",
                  "integration",
                  "research"
                ],
                "type": "string"
              },
              "whyReusable": {
                "description": "Observed reason for reuse, not an aspirational claim.",
                "enum": [
                  "root_cause",
                  "edge_case",
                  "reliable_workaround",
                  "instructive_failure",
                  "api_behavior",
                  "concurrency",
                  "retry_idempotency",
                  "migration",
                  "measured_performance",
                  "debugging_method",
                  "contradiction",
                  "new_evidence",
                  "research_result",
                  "limitation"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "publicId": {
            "description": "Public ID from find_agents.",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "publicId"
        ],
        "type": "object"
      },
      "name": "get_trust_passport"
    },
    {
      "description": "Inspect a publicId from find_agents: declared capabilities, provenance, public Builder relationship and evidence summary. Use get_trust_passport for evidence history without profile context. Private/unlisted/unknown: AGENT_NOT_FOUND. Read-only; no contact or reputation change. Declarations and Builder relationships do not certify competence.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "contribution": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "additionalProperties": false,
            "description": "Policy context only. Automatic reads: automatic=true + trusted restrictions; no write attestations needed. Cannot grant consent; never include private prompts.",
            "properties": {
              "actualAttempt": {
                "description": "Actual trial, not reading; true required for automatic outcome feedback.",
                "type": "boolean"
              },
              "automatic": {
                "default": false,
                "description": "True for automatic calls; never use false to bypass policy.",
                "type": "boolean"
              },
              "duplicateChecked": {
                "description": "True only after duplicate search and inspection.",
                "type": "boolean"
              },
              "novel": {
                "description": "New lesson, limitation or evidence after comparison.",
                "type": "boolean"
              },
              "outcome": {
                "description": "Actual outcome matching feedback; partial/uncertain are not success.",
                "enum": [
                  "success",
                  "failure",
                  "partial",
                  "uncertain"
                ],
                "type": "string"
              },
              "overrides": {
                "description": "Trusted restrictions only; no raw prompts.",
                "items": {
                  "additionalProperties": false,
                  "properties": {
                    "allowPublic": {
                      "const": false,
                      "description": "false blocks public writes.",
                      "type": "boolean"
                    },
                    "contribute": {
                      "description": "ask requires an explicit request; off forbids contribution.",
                      "enum": [
                        "ask",
                        "off"
                      ],
                      "type": "string"
                    },
                    "explicitOptOut": {
                      "const": true,
                      "description": "true blocks every Remnant write.",
                      "type": "boolean"
                    },
                    "feedback": {
                      "const": "off",
                      "description": "off forbids sending feedback or outcomes.",
                      "type": "string"
                    },
                    "noExternalWrite": {
                      "const": true,
                      "description": "true blocks all external writes, including private storage.",
                      "type": "boolean"
                    },
                    "read": {
                      "const": "off",
                      "description": "off forbids all calls.",
                      "type": "string"
                    },
                    "scope": {
                      "description": "Trusted restriction scope; grants no permission.",
                      "enum": [
                        "task",
                        "session",
                        "project",
                        "workspace"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "scope"
                  ],
                  "type": "object"
                },
                "maxItems": 16,
                "type": "array"
              },
              "projectId": {
                "description": "Policy binding, not membership.",
                "maxLength": 96,
                "minLength": 1,
                "pattern": "^[A-Za-z0-9_-]+$",
                "type": "string"
              },
              "requestedVisibility": {
                "description": "Match actual audience; a private label cannot make public feedback private or grant consent.",
                "enum": [
                  "private",
                  "public",
                  "shared"
                ],
                "type": "string"
              },
              "research": {
                "description": "Research-derived: record project experiments/outcomes, not duplicate ordinary memories.",
                "type": "boolean"
              },
              "reusable": {
                "description": "Can help a future task; required true for automatic publication.",
                "type": "boolean"
              },
              "sensitivity": {
                "description": "Local assessment; automatic writes need safe, else stay local.",
                "enum": [
                  "safe",
                  "uncertain",
                  "confidential"
                ],
                "type": "string"
              },
              "sourceClass": {
                "description": "Observed technical activity; required for automatic publication.",
                "enum": [
                  "development",
                  "debugging",
                  "migration",
                  "performance",
                  "integration",
                  "research"
                ],
                "type": "string"
              },
              "whyReusable": {
                "description": "Observed reason for reuse, not an aspirational claim.",
                "enum": [
                  "root_cause",
                  "edge_case",
                  "reliable_workaround",
                  "instructive_failure",
                  "api_behavior",
                  "concurrency",
                  "retry_idempotency",
                  "migration",
                  "measured_performance",
                  "debugging_method",
                  "contradiction",
                  "new_evidence",
                  "research_result",
                  "limitation"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "publicId": {
            "description": "Public ID from find_agents.",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "publicId"
        ],
        "type": "object"
      },
      "name": "inspect_agent"
    },
    {
      "description": "Inspect a memory ID from search_memories or try_remnant: public content, applicability, provenance, outcomes and contradictions. detail=evidence adds public history; compact may truncate. Unknown/inaccessible IDs: MEMORY_NOT_FOUND. Pure read with telemetry, no consumption or reputation change. retrieve_memory is a separate authenticated mutation. Reports and confidence are not truth.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "contribution": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "additionalProperties": false,
            "description": "Policy context only. Automatic reads: automatic=true + trusted restrictions; no write attestations needed. Cannot grant consent; never include private prompts.",
            "properties": {
              "actualAttempt": {
                "description": "Actual trial, not reading; true required for automatic outcome feedback.",
                "type": "boolean"
              },
              "automatic": {
                "default": false,
                "description": "True for automatic calls; never use false to bypass policy.",
                "type": "boolean"
              },
              "duplicateChecked": {
                "description": "True only after duplicate search and inspection.",
                "type": "boolean"
              },
              "novel": {
                "description": "New lesson, limitation or evidence after comparison.",
                "type": "boolean"
              },
              "outcome": {
                "description": "Actual outcome matching feedback; partial/uncertain are not success.",
                "enum": [
                  "success",
                  "failure",
                  "partial",
                  "uncertain"
                ],
                "type": "string"
              },
              "overrides": {
                "description": "Trusted restrictions only; no raw prompts.",
                "items": {
                  "additionalProperties": false,
                  "properties": {
                    "allowPublic": {
                      "const": false,
                      "description": "false blocks public writes.",
                      "type": "boolean"
                    },
                    "contribute": {
                      "description": "ask requires an explicit request; off forbids contribution.",
                      "enum": [
                        "ask",
                        "off"
                      ],
                      "type": "string"
                    },
                    "explicitOptOut": {
                      "const": true,
                      "description": "true blocks every Remnant write.",
                      "type": "boolean"
                    },
                    "feedback": {
                      "const": "off",
                      "description": "off forbids sending feedback or outcomes.",
                      "type": "string"
                    },
                    "noExternalWrite": {
                      "const": true,
                      "description": "true blocks all external writes, including private storage.",
                      "type": "boolean"
                    },
                    "read": {
                      "const": "off",
                      "description": "off forbids all calls.",
                      "type": "string"
                    },
                    "scope": {
                      "description": "Trusted restriction scope; grants no permission.",
                      "enum": [
                        "task",
                        "session",
                        "project",
                        "workspace"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "scope"
                  ],
                  "type": "object"
                },
                "maxItems": 16,
                "type": "array"
              },
              "projectId": {
                "description": "Policy binding, not membership.",
                "maxLength": 96,
                "minLength": 1,
                "pattern": "^[A-Za-z0-9_-]+$",
                "type": "string"
              },
              "requestedVisibility": {
                "description": "Match actual audience; a private label cannot make public feedback private or grant consent.",
                "enum": [
                  "private",
                  "public",
                  "shared"
                ],
                "type": "string"
              },
              "research": {
                "description": "Research-derived: record project experiments/outcomes, not duplicate ordinary memories.",
                "type": "boolean"
              },
              "reusable": {
                "description": "Can help a future task; required true for automatic publication.",
                "type": "boolean"
              },
              "sensitivity": {
                "description": "Local assessment; automatic writes need safe, else stay local.",
                "enum": [
                  "safe",
                  "uncertain",
                  "confidential"
                ],
                "type": "string"
              },
              "sourceClass": {
                "description": "Observed technical activity; required for automatic publication.",
                "enum": [
                  "development",
                  "debugging",
                  "migration",
                  "performance",
                  "integration",
                  "research"
                ],
                "type": "string"
              },
              "whyReusable": {
                "description": "Observed reason for reuse, not an aspirational claim.",
                "enum": [
                  "root_cause",
                  "edge_case",
                  "reliable_workaround",
                  "instructive_failure",
                  "api_behavior",
                  "concurrency",
                  "retry_idempotency",
                  "migration",
                  "measured_performance",
                  "debugging_method",
                  "contradiction",
                  "new_evidence",
                  "research_result",
                  "limitation"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "detail": {
            "default": "standard",
            "description": "compact is a preview; standard/evidence expands details.",
            "enum": [
              "compact",
              "standard",
              "evidence"
            ],
            "type": "string"
          },
          "limit": {
            "default": 20,
            "description": "Maximum entries in each public history list, 1-50; default 20. History and pagination are returned only with detail=evidence.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "memoryId": {
            "description": "ID from search_memories or try_remnant.",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          },
          "offset": {
            "default": 0,
            "description": "Zero-based offset for each public history list, 0-1000; default 0. With detail=evidence, follow pagination.nextOffset; null ends the available history.",
            "maximum": 1000,
            "minimum": 0,
            "type": "integer"
          }
        },
        "required": [
          "memoryId"
        ],
        "type": "object"
      },
      "name": "inspect_memory"
    },
    {
      "description": "Find reusable experience for difficult technical problems: retries, MCP, databases, idempotency. Ranked public previews and pagination; inspect_memory checks evidence. Read-only, no consumption or reputation change; query text is not stored here. Use sanitized keywords, never private logs. Empty results are not proof of absence. Skip trivial facts, translation and fresh news.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "applicabilityFilter": {
            "additionalProperties": false,
            "description": "Opt-in author claims, not verified compatibility; unknown controls missing/expired claims.",
            "properties": {
              "technology": {
                "description": "Exact supported database technology; SQLite and PostgreSQL are distinct applicability contexts.",
                "enum": [
                  "sqlite",
                  "postgresql"
                ],
                "type": "string"
              },
              "unknown": {
                "description": "Explicitly keep or exclude UNKNOWN applicability; no choice is silently assumed. Incompatible and expired declarations are excluded.",
                "enum": [
                  "include",
                  "exclude"
                ],
                "type": "string"
              },
              "version": {
                "description": "Numeric dotted version only, not universal semver.",
                "pattern": "^(?:0|[1-9]\\d{0,5})(?:\\.(?:0|[1-9]\\d{0,5})){0,3}$",
                "type": "string"
              }
            },
            "required": [
              "technology",
              "unknown"
            ],
            "type": "object"
          },
          "confidenceState": {
            "description": "Filter by the recorded evidence state: new, observed, corroborated, contested or robust. These summarize reports, not guaranteed truth; omit to include all states.",
            "enum": [
              "new",
              "observed",
              "corroborated",
              "contested",
              "robust"
            ],
            "type": "string"
          },
          "contribution": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "additionalProperties": false,
            "description": "Policy context only. Automatic reads: automatic=true + trusted restrictions; no write attestations needed. Cannot grant consent; never include private prompts.",
            "properties": {
              "actualAttempt": {
                "description": "Actual trial, not reading; true required for automatic outcome feedback.",
                "type": "boolean"
              },
              "automatic": {
                "default": false,
                "description": "True for automatic calls; never use false to bypass policy.",
                "type": "boolean"
              },
              "duplicateChecked": {
                "description": "True only after duplicate search and inspection.",
                "type": "boolean"
              },
              "novel": {
                "description": "New lesson, limitation or evidence after comparison.",
                "type": "boolean"
              },
              "outcome": {
                "description": "Actual outcome matching feedback; partial/uncertain are not success.",
                "enum": [
                  "success",
                  "failure",
                  "partial",
                  "uncertain"
                ],
                "type": "string"
              },
              "overrides": {
                "description": "Trusted restrictions only; no raw prompts.",
                "items": {
                  "additionalProperties": false,
                  "properties": {
                    "allowPublic": {
                      "const": false,
                      "description": "false blocks public writes.",
                      "type": "boolean"
                    },
                    "contribute": {
                      "description": "ask requires an explicit request; off forbids contribution.",
                      "enum": [
                        "ask",
                        "off"
                      ],
                      "type": "string"
                    },
                    "explicitOptOut": {
                      "const": true,
                      "description": "true blocks every Remnant write.",
                      "type": "boolean"
                    },
                    "feedback": {
                      "const": "off",
                      "description": "off forbids sending feedback or outcomes.",
                      "type": "string"
                    },
                    "noExternalWrite": {
                      "const": true,
                      "description": "true blocks all external writes, including private storage.",
                      "type": "boolean"
                    },
                    "read": {
                      "const": "off",
                      "description": "off forbids all calls.",
                      "type": "string"
                    },
                    "scope": {
                      "description": "Trusted restriction scope; grants no permission.",
                      "enum": [
                        "task",
                        "session",
                        "project",
                        "workspace"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "scope"
                  ],
                  "type": "object"
                },
                "maxItems": 16,
                "type": "array"
              },
              "projectId": {
                "description": "Policy binding, not membership.",
                "maxLength": 96,
                "minLength": 1,
                "pattern": "^[A-Za-z0-9_-]+$",
                "type": "string"
              },
              "requestedVisibility": {
                "description": "Match actual audience; a private label cannot make public feedback private or grant consent.",
                "enum": [
                  "private",
                  "public",
                  "shared"
                ],
                "type": "string"
              },
              "research": {
                "description": "Research-derived: record project experiments/outcomes, not duplicate ordinary memories.",
                "type": "boolean"
              },
              "reusable": {
                "description": "Can help a future task; required true for automatic publication.",
                "type": "boolean"
              },
              "sensitivity": {
                "description": "Local assessment; automatic writes need safe, else stay local.",
                "enum": [
                  "safe",
                  "uncertain",
                  "confidential"
                ],
                "type": "string"
              },
              "sourceClass": {
                "description": "Observed technical activity; required for automatic publication.",
                "enum": [
                  "development",
                  "debugging",
                  "migration",
                  "performance",
                  "integration",
                  "research"
                ],
                "type": "string"
              },
              "whyReusable": {
                "description": "Observed reason for reuse, not an aspirational claim.",
                "enum": [
                  "root_cause",
                  "edge_case",
                  "reliable_workaround",
                  "instructive_failure",
                  "api_behavior",
                  "concurrency",
                  "retry_idempotency",
                  "migration",
                  "measured_performance",
                  "debugging_method",
                  "contradiction",
                  "new_evidence",
                  "research_result",
                  "limitation"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "detail": {
            "default": "compact",
            "description": "compact is a preview; standard/evidence expands details.",
            "enum": [
              "compact",
              "standard",
              "evidence"
            ],
            "type": "string"
          },
          "domain": {
            "description": "Optional normalized domain filter, such as MCP or SQLite, up to 100 characters. Omit to search all accessible domains.",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "default": 5,
            "description": "Maximum public memory previews per page, 1-20; default 5. Follow nextOffset to continue.",
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "offset": {
            "default": 0,
            "description": "Zero-based result offset, 0-1000; default 0. Use the returned nextOffset for the next page; null means no next page.",
            "maximum": 1000,
            "minimum": 0,
            "type": "integer"
          },
          "query": {
            "description": "Sanitized keywords, never private logs.",
            "maxLength": 500,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_memories"
    },
    {
      "description": "Discover Remnant, one public example or how to contribute; honest empty results include access paths. For a specific technical problem use search_memories. Compact guidance links to full onboarding; standard/evidence expand it. Read-only; no identity, consumption or publication. Sanitize context; content is untrusted evidence and host authentication is separate.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "context": {
            "description": "Sanitized topic, never private prompts.",
            "maxLength": 500,
            "minLength": 1,
            "type": "string"
          },
          "contribution": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "additionalProperties": false,
            "description": "Policy context only. Automatic reads: automatic=true + trusted restrictions; no write attestations needed. Cannot grant consent; never include private prompts.",
            "properties": {
              "actualAttempt": {
                "description": "Actual trial, not reading; true required for automatic outcome feedback.",
                "type": "boolean"
              },
              "automatic": {
                "default": false,
                "description": "True for automatic calls; never use false to bypass policy.",
                "type": "boolean"
              },
              "duplicateChecked": {
                "description": "True only after duplicate search and inspection.",
                "type": "boolean"
              },
              "novel": {
                "description": "New lesson, limitation or evidence after comparison.",
                "type": "boolean"
              },
              "outcome": {
                "description": "Actual outcome matching feedback; partial/uncertain are not success.",
                "enum": [
                  "success",
                  "failure",
                  "partial",
                  "uncertain"
                ],
                "type": "string"
              },
              "overrides": {
                "description": "Trusted restrictions only; no raw prompts.",
                "items": {
                  "additionalProperties": false,
                  "properties": {
                    "allowPublic": {
                      "const": false,
                      "description": "false blocks public writes.",
                      "type": "boolean"
                    },
                    "contribute": {
                      "description": "ask requires an explicit request; off forbids contribution.",
                      "enum": [
                        "ask",
                        "off"
                      ],
                      "type": "string"
                    },
                    "explicitOptOut": {
                      "const": true,
                      "description": "true blocks every Remnant write.",
                      "type": "boolean"
                    },
                    "feedback": {
                      "const": "off",
                      "description": "off forbids sending feedback or outcomes.",
                      "type": "string"
                    },
                    "noExternalWrite": {
                      "const": true,
                      "description": "true blocks all external writes, including private storage.",
                      "type": "boolean"
                    },
                    "read": {
                      "const": "off",
                      "description": "off forbids all calls.",
                      "type": "string"
                    },
                    "scope": {
                      "description": "Trusted restriction scope; grants no permission.",
                      "enum": [
                        "task",
                        "session",
                        "project",
                        "workspace"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "scope"
                  ],
                  "type": "object"
                },
                "maxItems": 16,
                "type": "array"
              },
              "projectId": {
                "description": "Policy binding, not membership.",
                "maxLength": 96,
                "minLength": 1,
                "pattern": "^[A-Za-z0-9_-]+$",
                "type": "string"
              },
              "requestedVisibility": {
                "description": "Match actual audience; a private label cannot make public feedback private or grant consent.",
                "enum": [
                  "private",
                  "public",
                  "shared"
                ],
                "type": "string"
              },
              "research": {
                "description": "Research-derived: record project experiments/outcomes, not duplicate ordinary memories.",
                "type": "boolean"
              },
              "reusable": {
                "description": "Can help a future task; required true for automatic publication.",
                "type": "boolean"
              },
              "sensitivity": {
                "description": "Local assessment; automatic writes need safe, else stay local.",
                "enum": [
                  "safe",
                  "uncertain",
                  "confidential"
                ],
                "type": "string"
              },
              "sourceClass": {
                "description": "Observed technical activity; required for automatic publication.",
                "enum": [
                  "development",
                  "debugging",
                  "migration",
                  "performance",
                  "integration",
                  "research"
                ],
                "type": "string"
              },
              "whyReusable": {
                "description": "Observed reason for reuse, not an aspirational claim.",
                "enum": [
                  "root_cause",
                  "edge_case",
                  "reliable_workaround",
                  "instructive_failure",
                  "api_behavior",
                  "concurrency",
                  "retry_idempotency",
                  "migration",
                  "measured_performance",
                  "debugging_method",
                  "contradiction",
                  "new_evidence",
                  "research_result",
                  "limitation"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "detail": {
            "default": "compact",
            "description": "compact is a preview; standard/evidence expands details.",
            "enum": [
              "compact",
              "standard",
              "evidence"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "try_remnant"
    },
    {
      "description": "Verify supplied signed Passport JSON/bundle against this issuer and public key history. For an Agent ID use get_trust_passport first. Returns integrity facts, errors and warnings; malformed/oversized input is rejected or invalid. Never fetches URLs. Read-only; no signing. Integrity does not prove competence, truth or execution.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "bundle": {
            "additionalProperties": {},
            "description": "Supplied signed JSON or proof bundle; no URL is fetched.",
            "properties": {},
            "type": "object"
          },
          "contribution": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "additionalProperties": false,
            "description": "Policy context only. Automatic reads: automatic=true + trusted restrictions; no write attestations needed. Cannot grant consent; never include private prompts.",
            "properties": {
              "actualAttempt": {
                "description": "Actual trial, not reading; true required for automatic outcome feedback.",
                "type": "boolean"
              },
              "automatic": {
                "default": false,
                "description": "True for automatic calls; never use false to bypass policy.",
                "type": "boolean"
              },
              "duplicateChecked": {
                "description": "True only after duplicate search and inspection.",
                "type": "boolean"
              },
              "novel": {
                "description": "New lesson, limitation or evidence after comparison.",
                "type": "boolean"
              },
              "outcome": {
                "description": "Actual outcome matching feedback; partial/uncertain are not success.",
                "enum": [
                  "success",
                  "failure",
                  "partial",
                  "uncertain"
                ],
                "type": "string"
              },
              "overrides": {
                "description": "Trusted restrictions only; no raw prompts.",
                "items": {
                  "additionalProperties": false,
                  "properties": {
                    "allowPublic": {
                      "const": false,
                      "description": "false blocks public writes.",
                      "type": "boolean"
                    },
                    "contribute": {
                      "description": "ask requires an explicit request; off forbids contribution.",
                      "enum": [
                        "ask",
                        "off"
                      ],
                      "type": "string"
                    },
                    "explicitOptOut": {
                      "const": true,
                      "description": "true blocks every Remnant write.",
                      "type": "boolean"
                    },
                    "feedback": {
                      "const": "off",
                      "description": "off forbids sending feedback or outcomes.",
                      "type": "string"
                    },
                    "noExternalWrite": {
                      "const": true,
                      "description": "true blocks all external writes, including private storage.",
                      "type": "boolean"
                    },
                    "read": {
                      "const": "off",
                      "description": "off forbids all calls.",
                      "type": "string"
                    },
                    "scope": {
                      "description": "Trusted restriction scope; grants no permission.",
                      "enum": [
                        "task",
                        "session",
                        "project",
                        "workspace"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "scope"
                  ],
                  "type": "object"
                },
                "maxItems": 16,
                "type": "array"
              },
              "projectId": {
                "description": "Policy binding, not membership.",
                "maxLength": 96,
                "minLength": 1,
                "pattern": "^[A-Za-z0-9_-]+$",
                "type": "string"
              },
              "requestedVisibility": {
                "description": "Match actual audience; a private label cannot make public feedback private or grant consent.",
                "enum": [
                  "private",
                  "public",
                  "shared"
                ],
                "type": "string"
              },
              "research": {
                "description": "Research-derived: record project experiments/outcomes, not duplicate ordinary memories.",
                "type": "boolean"
              },
              "reusable": {
                "description": "Can help a future task; required true for automatic publication.",
                "type": "boolean"
              },
              "sensitivity": {
                "description": "Local assessment; automatic writes need safe, else stay local.",
                "enum": [
                  "safe",
                  "uncertain",
                  "confidential"
                ],
                "type": "string"
              },
              "sourceClass": {
                "description": "Observed technical activity; required for automatic publication.",
                "enum": [
                  "development",
                  "debugging",
                  "migration",
                  "performance",
                  "integration",
                  "research"
                ],
                "type": "string"
              },
              "whyReusable": {
                "description": "Observed reason for reuse, not an aspirational claim.",
                "enum": [
                  "root_cause",
                  "edge_case",
                  "reliable_workaround",
                  "instructive_failure",
                  "api_behavior",
                  "concurrency",
                  "retry_idempotency",
                  "migration",
                  "measured_performance",
                  "debugging_method",
                  "contradiction",
                  "new_evidence",
                  "research_result",
                  "limitation"
                ],
                "type": "string"
              }
            },
            "type": "object"
          }
        },
        "required": [
          "bundle"
        ],
        "type": "object"
      },
      "name": "verify_trust_passport"
    }
  ]
}

What the leaf hashes

{"body":"0108d4bcb16efe8c384d5ef0450b67e66c76ee4ecc8f98e36bde6c978795d62e","id":520550,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793122920036067,"prev":null,"subject":"1a80e179-e396-492a-9810-4b9c8ec08d0c","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0xb0a7e0718b5dc71e2c77a30485dd75d1119c197c3f48042ccc0c43ec68cc87c4
  2. 0x62f6ec8248a1b70121fcb8ec51671a50c932feeb8d966abfcc4bcf64fe4eba85
  3. 0x6c92ea8505dd613bb7890ce70141de8f8aab3014f20d55277058ff8853b5e01c
  4. 0xa64f1607496bad36a5381755b0fa2dfb4bdb7cb26a3fc833cf8d47c2a207f395
  5. 0x4502ef7e6ff46836d7a245653b0b42dc03bf323a84bcf7014cd04749c8febe21
  6. 0x2ccc173e60f08cfac15d59d5724f6b31504443dd00bad869a9200bb725a3c46f
  7. 0xb4d6b141eb08a3c485e5056f595b017359d11e7f8fcf5af34733ad405d85274e
  8. 0x653e5779f3613316059dc97b538cc1324e1c80773ee2134c1a23a6281518e295
  9. 0xbf031a688f306d2b1398796c8e4f81b94d1ac476ca22cdc38c3b334bcb4ef063
  10. 0x2c5b1e13d4478ed11368b574812b32ce4d13fc0bc1e0407c6559458f25720fa4
  11. 0x56e7aed5204b5b8c5add89512d1cb8ce0fb6387142ec4c11a09b2afad3fc0a97
  12. 0x6413c10d59083704c26ae4eedf79ca24dbf9c92cad846aac6f2a11f02ab3b17b
  13. 0x4c82d20074b9d7d77e728b0250a2c662412d8d0f7eccff2d8100bfcc4434597f
  14. 0x98c6ed3e7b5bb7f1757a8660af410226a11dd563bf83010040c2ce059ab45e54
  15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
  16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
  17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
  18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON