jcm-router

Local proxy that picks model and effort per message and leaves the cached main chat alone.

From the readme

jcm-router A local proxy that sits between Claude Code and the Anthropic API and picks the model and effort level per message, using TypeSafe's Jev classifier. Trivial questions go to Haiku, everyday work to Sonnet, hard problems to Opus or Fable, and your Claude subscription login keeps working. The interesting part is what it measured: routing subagents …

Details

Section: Coding agents
owner: adarshmishra07
stars: 2
forks: 0
pushed: 2026-09-17
Language: TypeScript
License: MIT

What it is

Form: Proxy or service
Host agent: Claude Code
Audience: Agent builders

Maturity

Docs

reports measured numbers

Useful for

Model routing0.75

Playgrounds and demos0.64

MCP and agent integration0.41

Best intent matches

route between models by task difficulty0.78

route requests through a gateway or proxy0.73

benchmark or calibrate Jev0.69

monitor or observe Jev usage and cost0.66

add Jev to a chat bot or Discord0.60

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