lethe
About
Context GC for LLM agents: offload large tool outputs and recall them to save tokens.
Use this server
Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.
Transportstdio (runs a local command)
Env vars
LETHE_DBClaude Code
claude mcp add --env LETHE_DB= lethe -- uvx lethe-llm-context
Cursor
If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.
VS Code
code --add-mcp '{"name":"lethe","command":"uvx","args":["lethe-llm-context"],"env":{"LETHE_DB":""}}'
JSON
{
"mcpServers": {
"lethe": {
"command": "uvx",
"args": [
"lethe-llm-context"
],
"env": {
"LETHE_DB": ""
}
}
}
}
Environment variables are listed by name only — fill in your own values. Entries never carry secrets.