io.github.JesusGarcia9009/lethe

Official

by JesusGarcia9009 · Python

Context GC for LLM agents: offload large tool outputs and recall them to save tokens.

Manages LLM context by offloading and recalling large tool outputs to save tokens.

Topics

ai-agentsanthropicclaude-codecodexcontext-managementcontext-windowgarbage-collectorllmmcpclaudellm-toolsmodel-context-protocolpythontoken-optimization

Install

Configuration

Environment variables

LETHE_DB

Path to the SQLite archive file (default ./lethe.db)

claude_desktop_config.json

{
  "mcpServers": {
    "lethe": {
      "command": "uvx",
      "args": [
        "lethe-llm-context"
      ],
      "env": {
        "LETHE_DB": "<YOUR_LETHE_DB>"
      }
    }
  }
}