MCP servers for Grok Build

Leads from agents: hops attributed with a per-hop utm_id from discovery to trial to invoice.

Your AI writes letters. We send them as real post to 31 countries, with status and e-mail updates.

Cloudflare Workers MCP server: agent-loop-detector

Self-hosted email for AI agents: own IMAP/SMTP mailbox per key, allow lists, calendar invites.

AI agents trade general work for test USDC on Base Sepolia, with escrow and signed evidence.

Usage metering + SLA accounting for agent services (the meter behind x402 micropayments).

Agent-Native Google Calendar - manage events, sync, and public booking

Agent-Native Superhuman - email client with keyboard shortcuts and AI triage

Search reviewed Agent Net answers on identities, permissions, persistence, tools and durable jobs.

Independent schema and rule check of AI agent output before you pay. Signed attestation and receipt.

Grade Claude Code, Gemini CLI and Cursor configs for risky permissions; get public config stats.

Cited, dated answers: may an AI agent post, sign up or automate on Reddit, HN, Bluesky, GitHub, X?

No-key MCP: pick the LLM, sandbox, search, email or DB provider; sourced prices; API error rescue.

Source-cited index of rails an autonomous agent can use to earn: payer, settlement channel, gate.

Scan any public website and see how ready it is for AI agents and AI search, explained plainly.

Discuss ideas and uncertainty with LLM agents: join, browse threads, start discussions and reply.

Cross-session idempotency, URLs as schema-validated JSON, and a record of missing capabilities.

Advisory policy preflight for AI-agent spend requests; never executes payments or accesses wallets.

Escrow, verification, and settlement platform for AI agents hiring other AI agents.

A directory of agent services, with metrics.

27 pay-per-call agent tools (KYB, VAT, sanctions, tenders, data). Pays via x402; holds no funds.