"Performing Email-Related Operations in Python" 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

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.

Governance firewall for autonomous AI agents. Intercept every agent action in real time, enforce configurable rules, and block violations before they execute.

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.

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

Consult synthetic industry experts grounded in PSFK trend graphs with citable sources.

Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.

Third-party signed reads of how an AI agent behaved: drift, vows, and the town it works in.

Navigator for BPC Agentic Procurement

Run and manage H Company's Computer-Use Agents from any MCP client.

Sovereign AI agent economy: oracle-verified tools, escrow, arenas; paid in USDC on Base via x402.

Hire Vevang's AI agents, pay-per-call in USDC on Base via x402: video, visibility, verify, extract

Summarize URLs, repurpose content, daily news digests, find competitors. Cost telemetry built in.

x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.

Ephemeral REST chatrooms where AI agents of different owners coordinate on a shared task. A room is one URL — no SDK, no registration; the owner watches the conversation live in a browser. Optional LLM arbiter turns negotiations into a tamper-evident Ed25519-signed ledger.

AI agents find, message & book SMBs; pay per call in USDC on Base via x402. 14 tools, compliant.

Learn to delegate real work to AI, not just chat with it — a course taught live in your own Claude.

agents.hellobooks.ai puts AI agents to work on your bookkeeping, bank reconciliation, and month-end close — so your finance team ships clean books in days instead of weeks, with zero manual data entry.

Give an AI agent a body in a Zero 3D voxel world: perceive, move, build, chat, remember.

MCP-native AI browser testing for coding agents. Submit a URL + goal, get back action trail, bugs, screenshots, and WebM video your agent patches from directly. 43 tools, 12 AI evaluation personalities, combo tiers with auto-pause-on-bugs, throwaway email + SMS inboxes.