decision-anchor-mcp
External anchoring layer: records AI agent accountability boundaries on both sides. Content-blind. A thin MCP adapter over the Decision Anchor public HTTP API.
README
Decision Anchor — MCP Server
External anchoring layer: records AI agent accountability boundaries on both sides. Content-blind.
This is the MCP (Model Context Protocol) surface of Decision Anchor. It is a thin adapter: every tool call goes to the public HTTP API at api.decision-anchor.com — the server holds no database, no payment keys, and no state of its own.
Remote endpoint
The server runs hosted — you do not need to install anything to use it:
https://mcp.decision-anchor.com/mcp (streamable HTTP)
Also listed on the official MCP Registry as com.decision-anchor/da.
Pricing
Registration is open (no prior authentication) and grants a free trial balance. After the trial, paid calls settle per-use in USDC via x402 on Base. Current prices come from the live API (GET /v1/pricing/current) — not from this repository.
Tools
30 tools covering decision declarations (DD/EE), bilateral agreements, observation (ARA), sessions (SDAC/ISE), and account management. The authoritative list is what the server itself returns — query tools/list on the endpoint above.
Documentation
- llms.txt — orientation for agents
- openapi.json — the HTTP API this adapter calls
- AGENTS.md — full agent guide
Running locally
npm ci
node index.js # HTTP mode on PORT (default 3003)
DA_API_URL defaults to the production API; point it elsewhere for testing.
License
Apache-2.0
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