Evidence row 23208

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.shardflux.dev/mcp"
    ],
    [
      "web",
      "https://docs.shardflux.dev/reference/mcp"
    ]
  ],
  "name": "Shardflux",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-08T05:33:02.479651Z",
        "status": "active",
        "statusChangedAt": "2026-10-08T05:33:02.479651Z",
        "updatedAt": "2026-10-08T05:33:02.479651Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Persistent cloud workspaces for AI agents: run commands, edit files, use git and a browser.",
      "name": "dev.shardflux/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Scoped Shardflux project API key (sfk_<key id>_<secret>). Its tool permissions decide which workspace tools are listed.",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "SHARDFLUX_API_KEY",
              "placeholder": "sfk_..."
            },
            {
              "default": "https://api.shardflux.dev",
              "description": "API base URL. Plain http:// is allowed only for loopback hosts.",
              "format": "string",
              "name": "SHARDFLUX_API_URL"
            },
            {
              "description": "Pin one workspace: workspace_key becomes optional on every tool and any other key is refused (workspace_pinned).",
              "format": "string",
              "name": "SHARDFLUX_WORKSPACE_KEY",
              "placeholder": "me/scratch"
            },
            {
              "description": "Default template slug for workspace_open.",
              "format": "string",
              "name": "SHARDFLUX_TEMPLATE",
              "placeholder": "python-node-browser"
            },
            {
              "default": "120000",
              "description": "Default and maximum deadline per tool call in milliseconds (1000-3600000). A call's timeout_ms can only shorten it.",
              "format": "number",
              "name": "SHARDFLUX_MCP_TOOL_TIMEOUT_MS"
            },
            {
              "choices": [
                "on",
                "off"
              ],
              "default": "on",
              "description": "on: workspace tools resume a suspended workspace and then run. off: they return the workspace_not_running refusal.",
              "format": "string",
              "name": "SHARDFLUX_WAKE"
            },
            {
              "default": "120000",
              "description": "Longest wait per tool call for a workspace to wake or finish a transition, in milliseconds (1000-3600000; clamped to SHARDFLUX_MCP_TOOL_TIMEOUT_MS).",
              "format": "number",
              "name": "SHARDFLUX_WAKE_TIMEOUT_MS"
            },
            {
              "default": "mcp",
              "description": "Attribution label of every tool token this server obtains (shown as an agent session).",
              "format": "string",
              "name": "SHARDFLUX_AGENT_LABEL"
            },
            {
              "choices": [
                "debug",
                "info",
                "warn",
                "error"
              ],
              "default": "info",
              "description": "Log level of the JSON log lines on stderr (stdout carries the protocol).",
              "format": "string",
              "name": "SHARDFLUX_MCP_LOG_LEVEL"
            },
            {
              "choices": [
                "0",
                "1"
              ],
              "description": "Unset: private HTTP/1.1 pooling on Node 26, native fetch elsewhere. 0: force connection closure for diagnosis. 1: select native pooling.",
              "format": "string",
              "name": "SHARDFLUX_HTTP_KEEPALIVE"
            },
            {
              "default": "off",
              "description": "Offer explicit workspace_hint for tool input streaming (on or off).",
              "format": "string",
              "name": "SHARDFLUX_PREWAKE"
            }
          ],
          "identifier": "@shardflux/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.12.2"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.shardflux.dev/mcp"
        }
      ],
      "title": "Shardflux",
      "version": "0.12.2",
      "websiteUrl": "https://docs.shardflux.dev/reference/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Persistent cloud workspaces for AI agents: run commands, edit files, use git and a browser."
}

What the leaf hashes

{"body":"709b332b8782e2ad00a575e87471dfac0d9966c18b1b3719671b0fe82cc54be0","id":23208,"kind":"listing","method":"baseline/1","observed_us":1793025350546926,"prev":null,"subject":"mcp_registry:dev.shardflux/mcp","subject_kind":"source_record"}

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. 0xda2c06808b09cf69864c6f092563ad45664ec7bc0c82a948f31515e0a088fa96
2. 0xa5680e10d16fa7661962e17786819b74b8c57c85b9c149299d1747e59a4b25bf
3. 0xc82398c2970ded80f249f0bc05ddfa9d38368abc97cbec3231ddd40ebc001a73
4. 0x68177752ae905a7653c1224e92c70e5aa496b9fe994d538e191a9f78d200482d
5. 0x37d11077a9f06365023e77f0cb5047a241577bea16b268faaa0a6289b8a24bba
6. 0x7c829aa7d3f21f656dfcbe06f069e7a3449b614ea71f11720b05e85c7bbbd76c
7. 0x2de7323c3e1cddb19b6a9f2aecb1efba49dec46fb3ec6eb312dd3a7ecf7a2856
8. 0x0a9064024530b51b943c68bd8bfc2f538bdb3139bab9220520052229f5120bb9
9. 0x439cf446b6655a1c9af5ca75dadbc6e0a732ed6f01bd40ee0b683ca22ba33285
10. 0xddb1d558f250f3c7af2a9114478d2e8fd2c1ccf13c41a7367d80c929b4a5e0c6
11. 0xc65997d4cbe46cfb99054bd5df6a660823432d48a8d7d21b0c1bed1df236af25
12. 0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee
13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae