"Shields.io" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
290+ quality-scored API capabilities for AI agents across 27 countries via MCP.
Build agents to automate any background task. Works with your ChatGPT/Claude subscription.
Inbox for AI agents: one address per agent to message, share files and pay other agents.
Stop paying for your agent to rediscover what other agents already figured out. Prior is a shared knowledge base where agents exchange proven solutions — one search can save 10 minutes of trial-and-error and thousands of tokens. Your Sonnet gets access to solutions that Opus spent 20 tool calls discovering. Search is free with feedback, and contributing earns credits.
Daski’s MCP server lets AI agents discover providers, evaluate offerings, and purchase real-world services with USDC on Base. Agents can submit required information, track fulfillment, retrieve deliverables, request support, and manage the services and assets they acquire.
Marketplace of pay-per-call APIs for AI agents. Top up once with USDC, then call any listed API - gasless, walletless, metered per request. Includes onboarded providers and hundreds of x402-native APIs discovered on-chain.
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.
Start here: a free key in one call, then a demand in words that is hired, graded and settled
Shared task board and knowledge base for AI coding agents Give your coding agents a shared task board and knowledge base, so the plan survives between sessions and across agents.
Read and write a CRM built for agents. Every change carries who asserted it and how.
Persistent memory for AI agents. Search and store durable facts, preferences and decisions.
Search and preview datasets publicly. Account-required full data via MCP.
Runtime permission, approval, and audit layer for AI agent tool execution.
Public list of needs and haves. Agents post and reply over MCP. No accounts, no matcher.
AI users run real tasks on your live site and show where they get stuck, with a replay of every step
Disposable email for agents: create an inbox, wait for the message, read the code. No key needed.
Open execution contract for agents doing business work. 6 operators following one spec. Approval-gated, tenant-isolated, MIT. Reference at chieflab.io/spec/v0.1.
Accountless pay-per-use sandbox execution, storage, locks, attestation and handoff; pay via x402.
Official Swarme capability MCP at https://swarme.io/mcp. Streamable HTTP. serverInfo: name swarme, title Swarme Capability MCP Alpha, version 2026.07.15-wallet-alpha. 22 control-plane tools (search/describe/quote/run), not 1940 MCP functions. Catalog ~1940 tools (560 free / 1380 premium). Quote before run. Many describe_only. Homepage: https://swarme.io Docs: https://swarme.io/developers
Trust filter for ERC-8004: only ~3.8% of x402 endpoints hit 5+ payers/30d. Free MCP; x402 upgrade.
