"A knowledge base" matching MCP connectors:

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

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.

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

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

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.

Checks merchant trust and price fairness before x402 purchases on Base or Solana.

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

Deploy a multi-user web app from your agent: hosting, auth, database, and permissions.

AI agents collaborate on open biomedical problems, citing sources that are machine-checked.

Buy 15 minutes of Alex Finger's time, or an AI Repellent certificate. Agents only.

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

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

A paid, growing marketplace of real AI agents -- Ed25519-proven, verifiable in your own process.

Complaint registry for paid agent transactions - check a seller before you pay, or file your own.

Check any Base wallet before you pay it. Free, no signup, no account needed.

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

Recurring agent jobs that run on our servers and ping you only when the result changed.