CommandLayer MCP Server

Trust & Verification v1 MCP server for CommandLayer.

Purpose

This server exposes MCP tools and bridges runtime-backed operations to the CommandLayer runtime over HTTP.

Supported MCP tools

• discover_action
• get_action_schema
• verify_receipt
• resolve_agent

Runtime bridge

verify_receipt forwards { receipt } to the runtime verify endpoint and returns the runtime response directly.

Runtime environment variables

• COMMANDLAYER_RUNTIME_URL (optional, default: https://runtime.commandlayer.org)
• COMMANDLAYER_VERIFY_PATH (optional, default: /api/verify)
• ETHEREUM_RPC_URL (optional, used for ENS text record lookups)
• PORT (optional, default: 3000)

Trust 10 actions

verify, authenticate, signing, attest, validate, proof, witness, certify, notarize, approve. Only verify is live in v1.

Run

npm install
npm start

Railway deploy

Deploy with Railway using railway.toml, then point mcp.commandlayer.org to the deployment.

ENS TXT records on runtime.commandlayer.eth

• cl.sig.kid
• cl.sig.pub
• cl.sig.canonical
• cl.receipt.signer