Evidence row 565909

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Full details for one tool by its Plug and Ship slug (from search_tools): description, stars, install command, remote endpoint, license, tags and last commit.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "slug": {
            "description": "Tool slug, e.g. 'github-mcp-server'",
            "pattern": "^[a-z0-9][a-z0-9-]{0,120}$",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_tool"
    },
    {
      "description": "A ranked best-of list by topic, e.g. 'grok-bot-connectors', 'voice-agents', 'local-models', 'figma-mcp-servers', 'mcp-servers-for-databases'. Omit topic to list all topics.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "limit": {
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "topic": {
            "description": "Topic slug; omit to list topics",
            "pattern": "^[a-z0-9-]{2,80}$",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_best"
    },
    {
      "description": "Find MCP servers, agent skills (SKILL.md) and coding-agent plugins for a task. Pass a plain-language task (e.g. 'query my Postgres from Cursor', 'post to Slack from Claude Code') or keywords. The task is parsed for kind (MCP/skill/plugin), client (Cursor, Claude Code, Codex, VS Code), remote vs local and language; results are ranked by relevance (full-text + semantic match), with stars, recent commits, a valid one-click config and a license only as tie-breakers. Every result explains why it matches. type, client and remote are strict filters (client grok-bot = MCP servers with a public HTTPS endpoint).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "client": {
            "description": "Only tools that name this coding agent (grok-bot: hosted HTTPS MCP servers)",
            "enum": [
              "claude-code",
              "cursor",
              "codex",
              "grok-bot"
            ],
            "type": "string"
          },
          "limit": {
            "description": "Max results, default 10",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Keywords or a short task, e.g. 'postgres', 'browser automation', 'query my Postgres from Cursor'",
            "maxLength": 300,
            "type": "string"
          },
          "remote": {
            "description": "Only MCP servers with a public HTTPS endpoint (nothing to install)",
            "type": "boolean"
          },
          "task": {
            "description": "What you want to do, in plain language. Used instead of query when given.",
            "maxLength": 300,
            "type": "string"
          },
          "type": {
            "description": "Only this kind of tool",
            "enum": [
              "mcp",
              "skill",
              "plugin"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_tools"
    },
    {
      "description": "Fastest-growing MCP servers, skills and plugins: stars gained in the period (day, week or month) from Plug and Ship's own daily star snapshots. While less than one period of history exists, a damped lifetime velocity fills in (repos with 20+ stars and a commit in the last 30 days).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "limit": {
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "period": {
            "description": "Time window",
            "enum": [
              "day",
              "week",
              "month"
            ],
            "type": "string"
          },
          "type": {
            "enum": [
              "mcp",
              "skill",
              "plugin"
            ],
            "type": "string"
          }
        },
        "required": [
          "period"
        ],
        "type": "object"
      },
      "name": "trending"
    }
  ]
}

What the leaf hashes

{"body":"494a85c6ab5cb0db43b17f630202e6d7a95e95e836e6b28f0d41be7f7e2675ff","id":565909,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138295439478,"prev":null,"subject":"47b8e7d6-ff1e-48ed-b0a1-472bd7752e11","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xd060189b0035f0a8c8df631bb1d739ea3612c14e8cec2757ee6dd28fe59dbafc
2. 0x7d3fea70956e549e2f9d6f49a41d785262c85817e2dcce5a7e5302f6306da689
3. 0x0744941f09269878ec2f44a59bdf04c626fb119865943cda91d03c351ee95f78
4. 0x88e0c7777162560db933a274ba23d7f8cd3fb38d6a71874f801970a97a16e7cb
5. 0x6616c77dd332c294fab6639ae5a2d7e140fcf27ee44cc91378a547fef53d4385
6. 0x11921226900bd9eeda0d99cdc8e62a6f6834a099f38defeabbcb9ed615338893
7. 0x5ed92cb3f1714bc7595fb2a213bd062248b58f1e1c1aa2d2b6c7e7b5a6112102
8. 0xbbf29ec36ac3222e684b7887faad081302c2ef72a1128715f5a078def859c056
9. 0x0671e09d68e92175d62209f6cbef4c7cc68005793488222aaa78dcd757f21a8a
10. 0x3065b94504be69ee520c14c1d60905f5c9fc567fa2688889f96bea6ff14c9f5f
11. 0xb0a0345698a651d16a7835ce0273cac8edfc7fe365d4501567c913ca6658deb7
12. 0x38b115338d9e861f29b2feec4763340cc61f27fc2c2bbe5bf04934e95e485c6c
13. 0xc66f83a1320fe7c1faf22674eeeb7fae22ecd2f0b102d9619a484291f2ce104a
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4