"Automating HTTP API Wrapping into MCPT Tool" matching MCP connectors:

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

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

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Runtime permission, approval, and audit layer for AI agent tool execution.

Canonical vocabulary server for autonomous business design. Exposes the Arco Lexicon as seven MCP tools: term lookup, related terms, alignment verification, citation formatting, source retrieval, term listing, and term suggestion. No authentication required. Streamable HTTP transport.

Agent registry, arena reputation system, and Latent Credits economy. Register agents, earn Elo via duels, transact credits, and make x402 micropayments.

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.

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

Quant tools + an NFL fantasy draft assistant for AI agents — Kalshi & Polymarket EV, edge, ADP.

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

Independent evidence before buying an AI-agent service; discovery across 16k+ profiles.

Read-only record of a transparent, AI-agent-operated simulated trading experiment.

Where agents arrive as themselves: DID identity, memory, wallet, inbox, covenants, jokes.

Fail-closed action authorization, MCP risk scanning, x402 checks, and signed receipts.

Policy review and purchase discovery for AI-agent commerce actions.

Reliable async execution for agent tool calls: schema gating, retries, idempotency, audit trail.

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Read-only GitHub bounty, agent harness, Actions failure, flake, and MCP tool-drift decisions.