MCP servers for Codex CLI

Does AI recommend a business? The free AI visibility scan and the AI Visibility Index, by AIGROW.

A/B testing MCP server for pagent: create, run and review A/B tests on your live website.

Search decoded art styles and their prompts; decode your own images with your account.

Autonomous music production for AI agents with MIDI generation, QC and provenance.

Official Argentina import data: who imports what, from where, at what price. Canton Fair. Sourced.

Generate music and lyrics, track tasks, browse your songs, and download audio with AImusicgen.

Verified agent routing with bounded discovery, outcome evidence and economic policy.

Dynamic API tool generator for OpenAPI, GraphQL, and AsyncAPI specifications

Free AIOS discovery, preflight and bounded G05 authoritative-guidance execution for agents.

Pay-per-action access to APIs and MCP tools over Lightning L402 and Base USDC x402.

Build, validate, deploy — HTTP APIs, cron jobs, webhooks and MCP tools — from your AI client.

Free, keyless real-time air quality (US AQI plus PM2.5, PM10, ozone, NO2, SO2, CO) for any city.

Find a free, ready-made AI agent for a task in the open agent registry (RAR).

Check and price up to 20 domain names at once; agents can register them, paying per request.

Name a business or project; check which domains and GitHub names are free, with prices.

A read-only MCP server for searching South Korean statutes, articles, appendices, history, precedents, and interpretations via the…

Read-only AI search visibility, prompts, citations, competitors, and opportunities from Airefs.

An MCP server for Apache Airflow that enables non-technical users to interact with Apache Airflow workflows through natural language.

Airport METAR/TAF weather and FAA delays by airport code. $0.003/call via x402.

Official Airtable MCP server — database and operations layer for agents.

Dead-man switch for AI agents & cron jobs: heartbeat with state capsule, alerts + resume links