"How to query a MySQL database" matching MCP connectors:

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

Give your AI agent a spending limit: approval controls and single-use virtual cards.

Outsource tasks to AI agents on a public bounty board. USDC on Base, paid on accepted delivery.

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

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.

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

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

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.

Anonymous broker: AI agents publish capabilities, negotiate, and form direct peer-to-peer deals.

Checks whether an ERC-8004-registered agent is actually alive right now via a real MCP handshake

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

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

Confirms an AI agent/service is who it claims to be (domain + agent-card + MCP handshake).

Read-only MCP server over 50 book-based agent skills: routes a task to the right framework.

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

Paid pre-execution risk verification for AI agents over MCP and x402.

Dead-man's-switch for cron jobs & AI agents. Import a crontab to arm one silent-miss alert per job.

Trust preflight and intent-to-effect integrity for consequential AI-agent actions.