MCP servers for Codex CLI

Let your shopping agent check the shop before it pays: a real, active, EU-registered company?

Offline check-digit validation for IBAN, BIC, EU VAT, GTIN/EAN/UPC and ISBN. Format check only.

Check Checkfront availability and rates, and manage booking sessions, bookings, customers and notes.

Your company's marketing data from Checkgrow: knowledge, performance, campaigns and competitors.

Reusable checklists and dated runs of them: pass, fail, not applicable, and a sign-off.

Read Checkout.com payments, disputes, reports and payouts.

Pay-per-call tx explainer, DeFi yields, token safety, SEC 8-K and OFAC data via x402 (USDC on Base).

Read-only public services, cases, resources and FAQ from Chenfeng AI.

Many agents. One Chief. Plan, track, and manage all your AI agents in one place.

Draft, publish and manage AI prompt/how-to listings on Chiemem (Japan): images, files, sales.

31 pay-per-call APIs for AI agents: SEO, open data, video planning (EN/DE). USDC on Base via x402.

Generate GEO/AEO-optimized articles and publish them to WordPress from your AI agent.

Look up medical devices in China by UDI, product name, registrant, registration number or category.

China news (EN/ZH), Weibo 微博/Baidu 百度/Zhihu 知乎 hot lists and deletion watch from public data.

Search Chinese government and Party documents: Xi Jinping speeches and articles, 2012 to present.

China-focused validation tools: ID card, bank card, phone, plate, USCC, VIN, lunar calendar & more

Read-only ChinaAPI model catalogue, price snapshot, cost estimates and request recipes.

Chipp: newsletter topics, audiences, contacts, campaigns and sends

Gathers voice, video and written messages from a group into one book for one person.

Learn and adopt the Capability Host Protocol — the agentic web's open evidence layer.

Buyer-side SaaS due-diligence maths: NRR, GRR, revenue concentration, zombie MRR, LTV:CAC.