Evidence row 293029

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Return the curated \"best MCP servers for X\" list for a use case or client (e.g. \"claude-code\", \"jira\", \"postgresql\", \"web-scraping\"). Call with an unknown value to get the list of available use cases.",
      "inputSchema": {
        "properties": {
          "use_case": {
            "description": "Use-case slug or name",
            "type": "string"
          }
        },
        "required": [
          "use_case"
        ],
        "type": "object"
      },
      "name": "best_for"
    },
    {
      "description": "Get details for one MCP server by its Socketlist slug: description, repository, stars, category, README-derived features/tools/requirements and, when known, a ready-made install config copied from the README.",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Server slug as returned by search_servers",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_server"
    },
    {
      "description": "List all Socketlist categories with their slugs and number of servers.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "Search the Socketlist directory of open-source MCP servers by keyword (name, description, topics). Results are ranked by relevance, then GitHub stars.",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "Optional category slug from list_categories, e.g. \"databases\"",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Keywords, e.g. \"postgres\", \"browser automation\", \"jira\"",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_servers"
    }
  ]
}

What the leaf hashes

{"body":"d16a28d49e800a5a001ee5ccfa39fdc670aea8233ad84f405efa55b3a73e308c","id":293029,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793049121080255,"prev":null,"subject":"30537f4e-8019-4db9-919b-e82bc1a1dde4","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. 0xc5d35e68df0ae1cad832f65473793f28f4215872c4d0de383904c397864d0fbf
2. 0xba2eeaabad3dfc7bbaf205bc7cd34cd867b3ef23ce4db3e85ddcdc08a080114c
3. 0xcd1cd048b5a9323435e1c05a2df727b7f52ba4328771ca3e6f47697e4c5a2c2f
4. 0x79cf2e666c4467b0ae8e352cb981138db96641d806d3b38a3d17fcbc9153ab2b
5. 0xf55fc15aa520984db0764051e79a9a7a6ce7e8e3433c79093ce27883cf847616
6. 0xf087501d22dfb153232b9e43316256ae71348fadfff3ac93cf56f076c969625b
7. 0x10d8f9f5fe8410a57cc5391b6fef2e31c7d6f03d2b29959e9f9274317e809552
8. 0xc2a24f33b2067be64f3db8d4a840361a129230b2eb9ace7118580427ee02d60b
9. 0xbca5b2718549f1149bad8567f3fc1eeb3cf3851551a251b711ea91d2f549275b
10. 0x4a766015a1173570ffc438320afd677a41ae92be39f86b768798615ce79c79a4
11. 0xd2a07d39f43cc6c0a549d9e0f8d8244992bef3f66efa78aea10852590e0fc7dd
12. 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae