How do I install DarkMatter?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is DarkMatter official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 50 (Fair). The formula is published on the methodology page.

MCPpedia

DarkMatter MCP Server | MCPpedia

DarkMatter MCP Server

Name: DarkMatter MCP Server
Author: darkmatter-hub

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

Tools Versions Alternatives

Registrydarkmatter-hub

50Fair

Install

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

{
  "mcpServers": {
    "darkmatter-hub-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@darkmatterhub/mcp-server@0.4.0"
      ],
      "env": {
        "DARKMATTER_API_KEY": "YOUR_DARKMATTER_API_KEY",
        "DARKMATTER_SHARE": "false",
        "DARKMATTER_API_URL": "",
        "DARKMATTER_MCP_STORE_DIR": ""
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
DARKMATTER_API_KEY	No	Optional. Publishes each record to DarkMatter and returns a verification URL. Without it, records stay on local disk and verify offline. Secret.
DARKMATTER_SHARE	No	Optional. Set to 'true' to make published records readable by anyone holding the link. Off by default.
DARKMATTER_API_URL	No	Optional. Override the API host. Defaults to https://darkmatterhub.ai.
DARKMATTER_MCP_STORE_DIR	No	Optional. Directory for local record storage.

DarkMatter MCP Server

Install

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