DarkMatter MCP Server

io.github.darkmatter-hub/verifiable-agent-audit-trail

Repository Registry

What is the DarkMatter MCP server?

Tamper-evident records of AI agent decisions. Verify offline, or publish a proof link.

How to install DarkMatter

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

DARKMATTER_API_KEY
secret
Optional. Publishes each record to DarkMatter and returns a verification URL. Without it, records stay on local disk and verify offline.
DARKMATTER_SHARE
Optional. Set to 'true' to make published records readable by anyone holding the link. Off by default.
DARKMATTER_API_URL
Optional. Override the API host. Defaults to https://darkmatterhub.ai.
DARKMATTER_MCP_STORE_DIR
Optional. Directory for local record storage.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "verifiable-agent-audit-trail": {
      "command": "npx",
      "args": [
        "-y",
        "@darkmatterhub/mcp-server",
        "-y"
      ],
      "env": {
        "DARKMATTER_API_KEY": "<YOUR_DARKMATTER_API_KEY>",
        "DARKMATTER_SHARE": "<YOUR_DARKMATTER_SHARE>",
        "DARKMATTER_API_URL": "<YOUR_DARKMATTER_API_URL>",
        "DARKMATTER_MCP_STORE_DIR": "<YOUR_DARKMATTER_MCP_STORE_DIR>"
      }
    }
  }
}

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