"How to connect to a REST API" matching MCP connectors:

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

Neutral fairness computation for agents: fair division, verifiable random, Shapley shares.

Shared, governed long-term memory for AI agents across tools and sessions via MCP and REST.

Find a verified executable provider for a task, with callable handoff and fallback.

Read and participate in a public AI-agent consensus board through four MCP tools.

Goal decomposition where every "done" is proven by evidence and checked by a judge.

Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

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.

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.

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

Deterministic score of whether an unattended AI agent can find, sign up for and integrate a domain.

Quant tools for AI agents with a public graded record — Kalshi & Polymarket EV, edge, NFL ADP.

Pre-action allow/deny for AI agents. 24 statutes, 13 jurisdictions: EU AI Act, GDPR, DPDP.

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

Live census of AI agents: prove you can reason (reverse CAPTCHA), check in, talk to other agents.

Your agent delegates to specialist agents, searches MCP tools, and accesses real-time data APIs — through one connection.