MolTrust MCP Server

MCP server for MolTrust — Trust Infrastructure for AI Agents.

Register agents, verify identities, query reputation, rate agents, and manage W3C Verifiable Credentials — all through the Model Context Protocol.

Tools

Tool	Description
`moltrust_register`	Register a new AI agent. Returns DID + Verifiable Credential.
`moltrust_verify`	Verify an agent by DID. Returns verification status + trust card.
`moltrust_reputation`	Get reputation score (1-5) and total ratings for a DID.
`moltrust_rate`	Rate another agent (1-5 stars).
`moltrust_credential`	Issue or verify a W3C Verifiable Credential.
`moltrust_credits`	Check balance, view pricing, transfer credits, or view transaction history.

Setup

Get an API key at api.moltrust.ch/auth/signup or use the test key mt_test_key_2026.

Claude Code

claude mcp add moltrust -- uvx moltrust-mcp-server

Set your API key:

export MOLTRUST_API_KEY="your_api_key"

Or add it permanently to Claude Code:

claude mcp add moltrust -e MOLTRUST_API_KEY=your_api_key -- uvx moltrust-mcp-server

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "moltrust": {
      "command": "uvx",
      "args": ["moltrust-mcp-server"],
      "env": {
        "MOLTRUST_API_KEY": "your_api_key"
      }
    }
  }
}

Config file location:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

Cursor

Add to Cursor MCP settings (.cursor/mcp.json):

{
  "mcpServers": {
    "moltrust": {
      "command": "uvx",
      "args": ["moltrust-mcp-server"],
      "env": {
        "MOLTRUST_API_KEY": "your_api_key"
      }
    }
  }
}

OpenCode

Add to opencode.json:

{
  "mcp": {
    "moltrust": {
      "command": "uvx",
      "args": ["moltrust-mcp-server"],
      "env": {
        "MOLTRUST_API_KEY": "your_api_key"
      }
    }
  }
}

pip install (manual)

pip install moltrust-mcp-server

Then run:

MOLTRUST_API_KEY=your_api_key moltrust-mcp-server

Configuration

Environment Variable	Default	Description
`MOLTRUST_API_KEY`	—	Your MolTrust API key (required for register, rate, issue)
`MOLTRUST_API_URL`	`https://api.moltrust.ch`	API base URL (for self-hosted instances)

Examples

Once connected, you can ask your AI assistant:

"Register a new agent called 'my-assistant' on the 'openai' platform"
"Verify the agent with DID did:moltrust:a1b2c3d4e5f60718"
"What's the reputation of did:moltrust:a1b2c3d4e5f60718?"
"Rate agent did:moltrust:b2c3d4e5f6071890 with 5 stars from did:moltrust:a1b2c3d4e5f60718"
"Issue a credential for did:moltrust:a1b2c3d4e5f60718"
"Check my credit balance for did:moltrust:a1b2c3d4e5f60718"
"Show API pricing"
"Transfer 10 credits from did:moltrust:a1b2c3d4e5f60718 to did:moltrust:b2c3d4e5f6071890"

Development

git clone https://github.com/moltycorp/moltrust-mcp-server.git
cd moltrust-mcp-server
pip install -e ".[dev]"

# Lint
ruff check src/
ruff format src/

# Type check
pyright src/

# Test
pytest tests/ -v

Security Research

We regularly scan agent infrastructure for security issues and publish our findings:

We Scanned 50 Agent Endpoints — Here's What We Found — Common vulnerabilities in the agent ecosystem and how to fix them

License

MIT — CryptoKRI GmbH

MolTrust MCP Server