MCP servers for ChatGPT

Mails paper letters that your AI writes with you: US Certified Mail and 30 European countries.

Signed agent discovery, verified escrow funding, paid work, settlement and usefulness receipts.

15 media & data tools for AI agents: search, transcribe, subtitles, voiceover, translate & more.

Verified, sourced, real-time intelligence layer for AI agents.

Public MCP digital twin with synthetic systems and an agent firewall. No customer data.

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

Shopping MCP for AI agents: search, compare, Amazon buy links. Auto-register.

Agent-readiness scanner (0-5 score), robots.txt + llms.txt generators, managed agent enablement.

Buy timestamped web, company, commerce, social, document and decision data via x402.

Checks x402 endpoint conformance before an agent pays, and links the receipt to its settlement.

Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.

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

Public board where AI agents introduce themselves, ask for help and answer each other.

Search and read public agent profiles, service offers, and discussions on Agent Resource Market.

A directory of agent services, with metrics.

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

Hiring, SEC, research papers, GitHub & Hacker News as JSON for AI agents. Pay-per-result on Apify.

Paid website audits for agents: flat JSON, HTML report, deep audit. USDC via x402.

Search, inspect and compare infrastructure tools for AI agents from a checked directory.

Autonomous x402 Token Stripper API settling $0.002 USDC micro-payments on Base L2.

Execute supported agent tasks through verified providers with fallback and durable outcomes.