Mcptoon plugin for Grok Build

Name: Mcptoon
Author: activeing123

Community Claude Code plugin, installs in GrokPluginDevelopment

One zero-dependency CLI for every MCP server and agent skill. Token optimization, tool discovery and context compression: 71,929 -> 581 tokens (-99.2%, measured), schemas stay out of context. One config for Claude Code, Codex, Cursor, every agent. 341KB, pure Python. | 零依赖 CLI：管所有 MCP 工具与技能，工具发现省 99.2% token。

How to install Mcptoon in Grok Build

1. Add this repo as a plugin marketplace in Grok Build (once per computer):

grok plugin marketplace add activeing123/mcptoon

2. Install the plugin:

grok plugin install mcptoon@activeing123/mcptoon --trust

✓ Install-checked in Grok Buildchecked Oct 18, 2026

Review before you trust it. --trust lets this plugin's hooks, MCP servers and scripts run code on your computer. It's a community repo that neither xAI nor GrokStacks has reviewed, so read its code first.

Then start a new Grok session, or press r in /plugins, to load it.

Inside Grok Build: type /plugins, open the Marketplace tab, press a and add activeing123/mcptoon, then select mcptoon and press i.

Command format: Grok Build's plugin guide

Runs a local MCP server (with npx, uvx or similar), so that tool needs to be installed, for example Node.js for npx.

What we checked: on Oct 18, 2026 it installed with grok 1.0.62 and Grok found 2 skills, 1 slash command. That's an install check only: we haven't run it in a live Grok session.

What it contains

Skills (2)

mcptoon — Compress MCP tool discovery with the mcptoon CLI. Trigger when a session has a large MCP tool catalog (many servers/tools), when the user mentions token cost, tool discovery, mcptoon, or asks to list/call MCP tools efficiently. Also route h
mcptoon-setup — Set up or repair the mcptoon CLI for this machine (install, verify, diagnose)

MCP servers (1)

mcptoon — stdio server

Hooks (1)

hooks — SessionStart

About this listing

Mcptoon is a community plugin on GitHub by activeing123, written as a Claude Code plugin that Grok Build installs. We install-checked it in Grok; we haven't run it in a live session or reviewed its code. When we installed it, Grok found 2 skills, 1 MCP server, 1 hook. Its license is Apache-2.0. We checked commit 61889dc92497. It's one of 409 listings in the Development category on GrokStacks.

Mcptoon FAQ

How do I install Mcptoon in Grok Build?

Add the repo as a marketplace with grok plugin marketplace add activeing123/mcptoon, then run grok plugin install mcptoon@activeing123/mcptoon --trust. Then start a new Grok session, or press r in /plugins, to load it.

Is Mcptoon an official Grok Build plugin?

No. Mcptoon is a community plugin on GitHub by activeing123, not in xAI's official Grok Build marketplace. We checked that it installs and what Grok loads from it, but haven't run it in a live Grok session or reviewed its code.

What does Mcptoon include?

According to what Grok loaded in our install check, Mcptoon includes 2 skills, 1 MCP server, 1 hook: mcptoon, mcptoon-setup, mcptoon, hooks.

Details

Type: Plugin
Category: Development
Source: Community Claude Code plugin, installs in Grok
License: Apache-2.0
Author: activeing123
Keywords: agent-skills, claude, claude-code, cli, codex, context-compression, cursor, llm, mcp, mcp-cli, mcp-client, mcp-server
Source repo: https://github.com/activeing123/mcptoon
Checked commit: 61889dc92497
Homepage: https://activeing123.github.io/mcptoon/
Checked by GrokStacks: Install-checked in Grok Build on Oct 18, 2026; not run in a live session

Something wrong or missing? Submit or improve this listing. Marketplace listings also refresh automatically every night.

For maintainers: badge and embeds

Maintain Mcptoon? Add the badge; it links to this page.

Markdown

[![Listed on GrokStacks](https://grokstacks.com/badge.svg)](https://grokstacks.com/p/mcptoon/)

HTML

<a href="https://grokstacks.com/p/mcptoon/"><img src="https://grokstacks.com/badge.svg" alt="Listed on GrokStacks" width="164" height="28"></a>

Embed card (static HTML and inline CSS, no JavaScript). Preview:

McptoonCommunity plugin for Grok Build · 2 skills, 1 MCP server, 1 hookOne zero-dependency CLI for every MCP server and agent skill. Token optimization, tool discovery and context…View on GrokStacks →

<a href="https://grokstacks.com/p/mcptoon/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #2a2e3c;border-radius:12px;background:#0a0b0f;color:#e8eaf0;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#e8eaf0">Mcptoon</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#9aa0b1">Community plugin for Grok Build · 2 skills, 1 MCP server, 1 hook</span><span style="display:block;margin:0 0 10px;color:#c9cdd8">One zero-dependency CLI for every MCP server and agent skill. Token optimization, tool discovery and context…</span><span style="font-size:12px;font-weight:600;color:#7c9cff">View on GrokStacks →</span></a>

Markdown summary

**[Mcptoon on GrokStacks](https://grokstacks.com/p/mcptoon/)**: Community plugin for Grok Build with 2 skills, 1 MCP server, 1 hook. Install: `grok plugin install mcptoon@activeing123/mcptoon --trust` (after `grok plugin marketplace add activeing123/mcptoon`)

More on badges, embeds and keeping your listing up to date: GrokStacks for plugin authors.

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