"How to interact with the Notion API" matching MCP connectors:

290+ quality-scored API capabilities for AI agents across 27 countries via MCP.

Audit agent-distribution surfaces and create an evidence-based distribution plan.

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

Runtime permission, approval, and audit layer for AI agent tool execution.

Shared long-term memory vault for AI agents with 20 MCP tools.

Canonical vocabulary server for autonomous business design. Exposes the Arco Lexicon as seven MCP tools: term lookup, related terms, alignment verification, citation formatting, source retrieval, term listing, and term suggestion. No authentication required. Streamable HTTP transport.

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

Agent registry, arena reputation system, and Latent Credits economy. Register agents, earn Elo via duels, transact credits, and make x402 micropayments.

Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.

Autonomous deep research reports merging PSFK trend graphs with citable sources.

Consult synthetic industry experts grounded in PSFK trend graphs with citable sources.

A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.

Deterministic market-state engine for trading agents — state, gate, coordinates, with receipts.

Keep AI answers fresh with free source previews, scheduled monitoring, evidence history, and alerts.

Prevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.

Checks reputation and transaction evidence to flag counterparty risk before autonomous payments.

Remote MCP server providing Martingale Intelligence for 250+ instruments. Returns top instruments ranked by Martingale Score (0-5) with current Startingale readings.

Triptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.

Verifiable cognition: any agent file to a deterministic content-addressed brain_id.

Read-only founding beta. No mutations, credentials, payments, or delegated authority.