Distil

[](https://www.npmjs.com/package/@munhq/distil) [](https://registry.modelcontextprotocol.io/v0/servers?search=distil) [](https://smithery.ai/servers/munhq/distil) [](LICENSE-MIT)

[](cursor://anysphere.cursor-deeplink/mcp/install?name=distil&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsIkBtdW5ocS9kaXN0aWwiXX0=) [](vscode:mcp/install?%7B%22name%22%3A%22distil%22%2C%22command%22%3A%22npx%22%2C%22args%22%3A%5B%22-y%22%2C%22%40munhq%2Fdistil%22%5D%7D)

claude mcp add distil -- npx -y @munhq/distil

No account, no API key, nothing to configure. The package is a small wrapper that fetches the binary for your platform and verifies it against the published checksums; `install.sh` and a prebuilt binary remain for anyone without Node.

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Measure what context compression actually costs, on real agent traffic.

Every tool in this space publishes a savings percentage measured on its own fixtures. What none publishes is the denominator: what share of a real session it is allowed to touch, and what that share costs once prompt-cache pricing is applied. `distil` measures both on transcripts an agent actually wrote.

**What is prior art, and what is not.** The cache arithmetic below is not a discovery. Anthropic's [context editing docs](https://platform.claude.com/docs/en/build-with-claude/context-editing) state that clearing tool results invalidates the cached prefix, and ship `clear_at_least` so a clear only fires w