Evidence row 26916

What was observed

{
  "endpoints": [],
  "name": "io.github.ChiR24/unreal-engine-mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-16T15:25:13.582132Z",
        "status": "active",
        "statusChangedAt": "2026-10-16T15:25:13.582132Z",
        "updatedAt": "2026-10-16T15:25:13.582132Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "EngineWire: drive the Unreal Editor (UE 5.0-5.8): levels, Blueprints, UI, materials, VFX and more.",
      "name": "io.github.ChiR24/unreal-engine-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your Unreal project folder or its .uproject file. The server reads the capability token from <project>/Saved/MCP/capability-token and the WebSocket port from the project settings.",
              "format": "filepath",
              "isRequired": true,
              "name": "UE_PROJECT_PATH",
              "placeholder": "C:/Users/YourName/Documents/Unreal Projects/MyGame"
            },
            {
              "description": "Capability token to present to the editor. Only needed when the server cannot read the project folder, for example over LAN.",
              "isSecret": true,
              "name": "MCP_AUTOMATION_CAPABILITY_TOKEN"
            },
            {
              "description": "Editor WebSocket port. Default: the first Listen Ports entry in the project settings, else 8090.",
              "format": "number",
              "name": "MCP_AUTOMATION_PORT",
              "placeholder": "8090"
            },
            {
              "default": "127.0.0.1",
              "description": "Editor host to connect to. A LAN address also needs MCP_AUTOMATION_ALLOW_NON_LOOPBACK=true and Allow Non Loopback in the plugin settings.",
              "name": "MCP_AUTOMATION_HOST"
            },
            {
              "default": "false",
              "description": "SECURITY: allow a non-loopback MCP_AUTOMATION_HOST. Enable only on a trusted network.",
              "format": "boolean",
              "name": "MCP_AUTOMATION_ALLOW_NON_LOOPBACK"
            },
            {
              "default": "false",
              "description": "Connect with wss:// instead of ws://.",
              "format": "boolean",
              "name": "MCP_AUTOMATION_USE_TLS"
            },
            {
              "description": "Extra content roots to allow besides /Game, /Engine, /Script, /Temp and /Niagara, comma-separated. Example: /MyPluginContent/",
              "name": "MCP_ADDITIONAL_PATH_PREFIXES"
            },
            {
              "default": "5000",
              "description": "How long to wait for the editor connection, in milliseconds.",
              "format": "number",
              "name": "MCP_CONNECTION_TIMEOUT_MS"
            },
            {
              "description": "Overrides every per-capability request timeout, in milliseconds. Leave unset: each capability gets a budget that fits its cost.",
              "format": "number",
              "name": "MCP_REQUEST_TIMEOUT_MS"
            },
            {
              "default": "600",
              "description": "Inbound messages per minute from the editor before the server disconnects.",
              "format": "number",
              "name": "MCP_AUTOMATION_MAX_MESSAGES_PER_MINUTE"
            },
            {
              "choices": [
                "debug",
                "info",
                "warn",
                "error"
              ],
              "default": "info",
              "description": "Log level. Logs go to stderr.",
              "name": "LOG_LEVEL"
            }
          ],
          "identifier": "unreal-engine-mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.6.0-beta-f"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ChiR24/Unreal_mcp.git"
      },
      "version": "0.6.0-beta-f"
    }
  },
  "source": "mcp_registry",
  "summary": "EngineWire: drive the Unreal Editor (UE 5.0-5.8): levels, Blueprints, UI, materials, VFX and more."
}

What the leaf hashes

{"body":"92ead549651966a1fc72d1ed3e3f61222496ab30496e1dfe28b5ddf44ae22f8b","id":26916,"kind":"listing","method":"baseline/1","observed_us":1793025356701628,"prev":null,"subject":"mcp_registry:io.github.ChiR24/unreal-engine-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. 0x189dd87fa74b497ba20898e3eeaabc8e84585e356bd4708d976aef94338b8174
2. 0xe64649d2e17f4c2739466eb089e4ceea8b5283dc0a346fd25a0e4e83c838717f
3. 0xa167d2e0e252925db3d2b0ec83f814c0bcff5fcd2fa0f11be152a890b2c1932f
4. 0xfac57842649e5cebecf8e3203e49a61754c02f861eb4716f0d10646913c22856
5. 0x94040fdb2604cd6a9bd590eb0773e6d86f1b75d3ec1a8530c14568754317ce87
6. 0x08a49ccafd4667ed031034405514ec8968039c365c4a35c2cab9e58f3f64fb2a
7. 0x1b0f03d58f185f84588cca27d9129a76955cc72019fdde206394dc6c04b28729
8. 0x57489ed97f254802732c63b32ffa35358c6b3c71f73079b91824573f0e3021d4
9. 0x34d8518289565739865be381d2d981b9fd7cbacc9818c2721b6412c40c512369
10. 0xcb3e3aedb72ed8e61cbaa8991a4949a4faf974931a0daec4005c2e39529d76a8
11. 0x04d98d8716f171bd2264c6c49606521f410107287c5094c713f72cdf2fe1e1ed
12. 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae