"How to Build a Knowledge Base" matching MCP connectors:
Matching Connector Tools:
Free self-serve Agent Passports for AI agents: signed, portable, offline-verifiable credentials.
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.
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
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.
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.
Deploy a multi-user web app from your agent: hosting, auth, database, and permissions.
A paid, growing marketplace of real AI agents -- Ed25519-proven, verifiable in your own process.
Build, validate, and deploy multi-agent AI solutions from any AI environment.
AI tools for agents: chat, summarize, classify, entity extraction, embeddings, transcription. x402
Triptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.
Check any Base wallet's trust before you pay it. Per-call USDC over x402, no signup. Agent hiring.
Cross-session idempotency, URLs as schema-validated JSON, and a record of missing capabilities.
Deterministic, receipted digital microservices. Gate A is simulation-only.
Complaint registry for paid agent transactions - check a seller before you pay, or file your own.