100% local MCP proxy. Cuts context bloat by up to 72%.
Measured through real MCP transports:
- 2 servers x 8 tools: 7.4k -> 6.1k (-17.7%)
- 4 servers x 10 tools: 18.5k -> 9.1k (-50.6%)
- 6 servers x 12 tools: 33.4k -> 9.1k (-72.6%)
Install: npx -y ctxslim
Zero API keys, zero cloud, zero config rewriting. MIT, TypeScript, 217 tests.