Enterprise-grade capability-driven AI routing engine, proxy gateway, MCP server, developer CLI, and agentic skills aggregator for 19+ free-tier AI providers.
Enterprise-grade capability-routed AI Gateway monorepo aggregating free-tier AI APIs into reusable libraries, Model Context Protocol (MCP) servers, and OpenAI-compatible HTTP proxies.
📚 New to Free-AI Gateway? Check out the comprehensive Architecture & Developer Guide (LEARN.md) for detailed deep dives, tutorials, and integration patterns.
free-ai-gateway is organized as an enterprise monorepo separating pure AI orchestration infrastructure from protocol-specific delivery mechanisms (HTTP Fastify Proxy & MCP Server):
Package / App Location Purpose Dependencies :--- :--- :--- :--- @free-ai-gateway/core packages/core Protocol-neutral capability router, resilience engine, and 19 provider adapters. ajv, dotenv (Zero HTTP server) @free-ai-gateway/mcp packages/mcp Model Context Protocol server exposing capability tools to AI agents (Claude Desktop, Cursor). @free-ai-gateway/core @free-ai-gateway/skills packages/skills Agentic IDE skills (SKILL.md) and installer CLI for Antigravity, Claude, Cursor, and Copilot. Standalone CLI & API @free-ai-gateway/cli packages/cli Terminal AI assistant, interactive chat REPL, model catalog, and diagnostics tool. @free-ai-gateway/core, @free-ai-gateway/skills @free-ai-gateway/gateway apps/gateway High-throughput Fastify HTTP proxy serving OpenAI-compatible endpoints with auto-discovery. @free-ai-gateway/core, fastify
- 🎯 Capability-Based Routing: Request what you need (model: "auto:toolcalling+structuredoutput"), and let the router choose the fastest healthy free provider. - 📐 Strategy Pattern Engine: Pluggable load balancing strategies (Adapt
From the project README.
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