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compendium-mcp

compendium-mcp is an MCP server for Claude Code, Codex, Cursor, Gemini CLI, OpenCode from hocestnonsatis/Compendium. Its token cost is not measured, scanned A, original, MIT.

A locally run MCP server that compresses, summarizes, and filters information before it is sent to an AI assistant. MCP is a standard way for an AI assistant to connect to external tools.

In plain words
What is it for?
Use it to shorten or summarize text, filter information, and prepare cleaner context through the compendium-mcp package.
Why use it?
It helps reduce the amount of text an assistant must process when context is large or noisy.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

Written for no agent in particular: it speaks MCP, so any client can run it.

not rated 0 4d ago A scan tokens not measured original MIT
View the source file hocestnonsatis/Compendium npmjs.com
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add mcp/hocestnonsatis/compendium/compendium-mcp
Clone the repo
git clone --depth 1 https://github.com/hocestnonsatis/Compendium

Made for: Claude Code, Codex, Cursor, Gemini CLI, OpenCode.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for compendium-mcp

README.md
[![agentmods](https://agentmods.dev/badge/mcp/hocestnonsatis/compendium/compendium-mcp.svg)](https://agentmods.dev/mcp/hocestnonsatis/compendium/compendium-mcp)
Your own site
<a href="https://agentmods.dev/mcp/hocestnonsatis/compendium/compendium-mcp"><img src="https://agentmods.dev/badge/mcp/hocestnonsatis/compendium/compendium-mcp.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

compendium-mcp scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

listed in the official MCP registry · 9 lines

What it actually says

{ "compendium-mcp": { "command": "npx", "args": [ "-y", "compendium-mcp" ] } }

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 9 lines scan A a131845d5775

Subscribe to this mod's changes

compendium-mcp is an MCP server published in the GitHub repository hocestnonsatis/Compendium (0 stars, last pushed 4d ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

LLMMemory and contextclaudecompressioncontext-managementcursormcp
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