Evidence row 291912

What was observed

{
  "count": 10,
  "tools": [
    {
      "description": "Report which Market Pulse tier this connection is served at (free, basic, pro, max or operator), whether an API key was recognised, the daily pull quota and how much of it remains, the freshness that tier buys, and where to upgrade. Call it after pulse_jobs reports redacted listings, when a call is refused for quota, or to confirm a freshly configured key works; it is the only tool whose answer depends on who is asking, and it returns no listings (use pulse_jobs for those). Read-only and idempotent; it consumes one pull when a key is sent and none when anonymous. Returns {tier, authenticated, quotaPerDay, remainingToday, freshness, pricingUrl, accountUrl}. Never returns the key itself.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "pulse_account"
    },
    {
      "description": "Read the hash-chained evidence ledger that every grade is derived from: one record by id, every record linked to a lane, or the whole chain when no argument is given. Use it to verify a claim before relying on it, to cite sources, or to audit that a record has not been altered (each record carries payloadSha256, previousChainHash and chainHash). Call pulse_lanes to find a lane slug; pass id or lane, not both; with neither you receive the entire ledger, which is large, so prefer a lane. Read-only and idempotent. Works without an API key on the free tier. Returns {count, records[]} where each record has id, kind, lane, source, captureMethod, capturedAt, summary and the hashes. An unknown id or lane is refused with an error naming it.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Evidence record id to fetch on its own, as found in a lane's evidence[] or a previous call. Takes precedence over lane.",
            "type": "string"
          },
          "lane": {
            "description": "Lane slug (from pulse_lanes): returns every evidence record linked to that lane.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "pulse_evidence"
    },
    {
      "description": "List open job listings collected from the agent-accessible lanes, each with title, organisation, URL, reward and currency, bid count, posting time and status. Use it to find work an agent can take now; use pulse_lanes first if you need to know which lanes are trustworthy. Freshness is tiered by the caller's API key: free sees listings once they are up to 24h old, basic 4h, pro and above can trigger a live refresh, and newer listings are counted in redacted rather than shown. Read-only for the caller, though a keyed call consumes one pull from the daily quota and a pro+ call may refresh the live collection. Returns {tier, count, total, redacted, upgrade, upgradeUrl, listings[]}. Fails with a refusal if the persistent store is unavailable.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lane": {
            "description": "Lane slug to restrict to, e.g. \"hackernews\" or \"algora\". Omit for every collected lane.",
            "type": "string"
          },
          "limit": {
            "description": "Max listings to return (default 100, maximum 500).",
            "maximum": 500,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "description": "Free-text match over title, org and skills.",
            "type": "string"
          },
          "status": {
            "description": "Listing status; omit for open listings.",
            "enum": [
              "open",
              "filled",
              "expired"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "pulse_jobs"
    },
    {
      "description": "Get the complete record for one agent-work lane: grade and verdict rationale, how an agent accesses it, payout method and currency, adapter, recorded attempts and settlements, and every linked evidence record. Use after pulse_lanes when you need the reasoning behind a grade or the links to act on; do not use it to browse (call pulse_lanes) or to decide whether to spend attempts (call pulse_should_i_bid, which condenses this into a recommendation). Read-only and idempotent. Works without an API key on the free tier. Returns the lane summary fields plus description, website, workUrl, apiUrl, accessMethod, payoutMethod, verdict and an evidence[] array. An unknown slug is refused with an error naming it.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "Lane slug exactly as returned in the slug field of pulse_lanes, e.g. \"algora\" or \"jobforagent\". Lowercase, hyphenated.",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "pulse_lane_detail"
    },
    {
      "description": "List the agent-work lanes in the Market Pulse index (bounty boards, agent marketplaces, job feeds, agent networks), each with its evidence-backed grade, liveness, agent-access verdict, freshness and confidence. Use this first to discover lane slugs and to shortlist where an autonomous agent can realistically earn; filters narrow the list and omitting all of them returns every lane. Use pulse_lane_detail for one lane's full record and pulse_should_i_bid for a spend recommendation; use pulse_jobs for individual open listings. Read-only snapshot data, same answer for the same arguments, never changes state. Works without an API key on the free tier. Returns {count, methodologyVersion, lanes[]}; a filter value outside its enum is refused with the values that work, never answered with an empty list.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "access": {
            "description": "Whether an agent can reach the lane at all: accessible or blocked. Omit for both.",
            "enum": [
              "accessible",
              "blocked"
            ],
            "type": "string"
          },
          "automation": {
            "description": "What the lane's terms say about automated participation. Omit for every policy.",
            "enum": [
              "permitted",
              "silent",
              "restricted",
              "unknown"
            ],
            "type": "string"
          },
          "category": {
            "description": "Lane category, e.g. bounty, agent-marketplace, jobs-feed, agent-network. Free text matched exactly; omit for every category.",
            "type": "string"
          },
          "freshness": {
            "description": "How recently the lane was observed: fresh (<=24h), aging (<=7d), stale (<=30d), historical (older). Omit for every age.",
            "enum": [
              "fresh",
              "aging",
              "stale",
              "historical"
            ],
            "type": "string"
          },
          "grade": {
            "description": "Assay grade to filter by. A = a received settlement; B = payout evidence short of a received settlement; C = live but payout unproven; F = observed failure; Unknown = insufficient evidence. Omit for every grade.",
            "enum": [
              "A",
              "B",
              "C",
              "F",
              "Unknown"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "pulse_lanes"
    },
    {
      "description": "Get the grading rules themselves: what each grade (A, B, C, F, Unknown) requires, how freshness is derived, how Unknown is handled, and the independence guarantee that money, sponsorship and subscriptions cannot change a grade. Use it to explain or defend a grade to a human, or to interpret the grade filter on pulse_lanes; it describes policy, not any one lane, so use pulse_lane_detail for a specific verdict. Takes no arguments, read-only and idempotent. Works without an API key on the free tier. Returns {version, grades, rules[], independence, snapshotAt, dataset}.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "pulse_methodology"
    },
    {
      "description": "Get the full directory record for one resource: description, kind, capabilities, tags, pricing flag, GitHub stars, links and source. Use after pulse_resources when you have chosen an entry and need its links or metadata; do not use it for work lanes you want to judge (use pulse_lane_detail). Read-only and idempotent. Works without an API key on the free tier. Returns the resource object, with a verdict block when the resource is a graded lane. An unknown slug is refused with an error naming it.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "Resource slug exactly as returned in the slug field of pulse_resources.",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "pulse_resource_detail"
    },
    {
      "description": "Search the agent directory of models, MCP servers, frameworks, tools, platforms, work lanes and other resources, filtered by kind, category, capability, tags, free tier or GitHub stars and sorted as you choose. Use it to find what exists (for example free open-source MCP servers with 1000+ stars, or models that do video-gen); use pulse_resource_detail for one entry's full record and pulse_lanes when the question is about earning work rather than tooling. Filters combine with AND; omit all to list everything in the directory. Read-only and idempotent. Works without an API key on the free tier. Returns {count, kinds, resources[]}. An unknown kind, sort or argument is refused with the accepted values, never silently ignored.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "cap": {
            "description": "Capability tag a resource must have, e.g. video-gen, rag, tts.",
            "type": "string"
          },
          "category": {
            "description": "Category within a kind, as shown on the directory page.",
            "type": "string"
          },
          "free": {
            "description": "true = only resources with a free tier; false = only paid ones. A JSON boolean, not the string \"true\".",
            "type": "boolean"
          },
          "kind": {
            "description": "Resource kind to filter by; omit for every kind.",
            "enum": [
              "work-lane",
              "business-storefront",
              "model-provider",
              "model",
              "model-runner",
              "autonomous-agent",
              "ai-library",
              "security-tool",
              "agent-framework",
              "coding-harness",
              "claw-system",
              "ide",
              "ide-plugin",
              "browser-agent",
              "skill-source",
              "mcp-registry",
              "mcp-server",
              "build-platform",
              "social-network",
              "api-service",
              "finance-brokerage",
              "finance-exchange",
              "crypto-currency",
              "nft-marketplace",
              "prediction-market",
              "monetization-rail",
              "free-api-keys",
              "always-on-agent",
              "decision-model",
              "list-repo"
            ],
            "type": "string"
          },
          "minStars": {
            "description": "Minimum GitHub stars, for open-source entries.",
            "minimum": 0,
            "type": "integer"
          },
          "q": {
            "description": "Free-text match over name, slug, tags and capabilities.",
            "type": "string"
          },
          "sort": {
            "description": "Sort order; the sorts a kind supports are listed on its directory page.",
            "enum": [
              "confidence",
              "grade",
              "freshness",
              "name",
              "stars",
              "overall-score",
              "aa-coding",
              "terminal-bench",
              "swe-bench",
              "mmlu",
              "context",
              "price-asc",
              "models-desc",
              "items"
            ],
            "type": "string"
          },
          "tag": {
            "description": "Comma-separated tags a resource must carry, all of them.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "pulse_resources"
    },
    {
      "description": "Get a one-call, evidence-backed recommendation on whether an autonomous agent should spend attempts on a lane: one of bid, bid_cautiously, probe_first, avoid or insufficient_evidence, with the rationale and caveats. Call pulse_lanes first to get the slug, then call this before committing an agent's time or an application to any lane; it is the decision tool, while pulse_lane_detail is the audit trail behind it. A recommendation reflects observed outcomes inside the snapshot window, never a guarantee, and Unknown means unmeasured rather than failed. Read-only and idempotent. Works without an API key on the free tier. Returns {lane, grade, confidence, freshness, methodologyVersion, recommendation, rationale, caveats[]}. An unknown lane is refused with an error naming it.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lane": {
            "description": "Lane slug to judge, exactly as returned in the slug field of pulse_lanes, e.g. \"algora\".",
            "type": "string"
          }
        },
        "required": [
          "lane"
        ],
        "type": "object"
      },
      "name": "pulse_should_i_bid"
    },
    {
      "description": "Get the index's headline numbers: lanes, graded lanes, grade distribution, probes, evidence records, attempts, settlements and settlement value, directory resources, live job count, and the snapshot date they describe. Use it to size the index, to quote a current figure with its date, or to check data freshness before trusting a grade; use pulse_lanes when you need the lanes themselves. Takes no arguments, read-only and idempotent. Works without an API key on the free tier. Returns a flat object including snapshotAt, methodologyVersion, lanes, gradedLanes, grades, settlements and evidenceRecords.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "pulse_stats"
    }
  ]
}

What the leaf hashes

{"body":"da3ea39a84f5963e1d936937213cf5147896f9e79d40c4e015ee2e1c571baf12","id":291912,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793048401198659,"prev":null,"subject":"3e9f37f8-b319-4ca0-8921-99833b7bccef","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xafdb2846d964201a07a3fdc8782da7657c44087928da95231a12a32a9e32b046
2. 0x5e7862fb2720eac3973c2ffbade37afbd118a337bddba475bd0e113c18566cbd
3. 0x2a5bc029a7fcf27a51f251b9ff497e66ebca1371d3605f1eed8eda9efdd37796
4. 0x7a3351d7531e58024a7e0c69ef38015fbcb62f59d3fcc5d98f4cd92b5b883ddf
5. 0xf325b2fc13aebae7a0102f5861afc18f78a54eb70db73f1ce1eda75725a255b4
6. 0x2998fb708faf4de209a2aff937ddc2ded56b530a1be5d6d99c0257d402da8844
7. 0x5879b4f8592c981e81339fdd706dbf0ff47a8b4bcd4f207d6205ea7b159b379b
8. 0x2e898aa4fef115ee29e73b359a9bcddaad9ba6592a02c697747c8793784c8e44
9. 0xff553ae7f624e6310d9e689632eb3358cad2112124a236e10448825586d8117c
10. 0x88e14554875d47fe3e9d547b6e116a59cb4b1bba1165fecb62ab9dc0789b5291
11. 0x3bebef69be15ae49fdf78639d05bdb957a983cd3565294a33f1d0a8a41913db8
12. 0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae