musistudio/claude-code-router

CCR solves the fragmentation of managing separate model configurations for each coding agent (e.g., Claude Code, Codex, Grok CLI) by centralizing provider management, routing, and observability. It eliminates the need to repeatedly edit agent config files when switching models or providers, and adds resilience through retries, credential pools, and fallback models.

Developers can build multi-agent workflows that route requests across different models and providers, fuse capabilities like vision and web search into existing agents, orchestrate MCP tools and ToolHub, and monitor all activity through request logs, latency, token usage, and cost estimates. Real-world use cases include failover between Anthropic and OpenAI models, pooling API keys for rate limit avoidance, and extending Claude Code with custom tools without modifying its configuration.