activeing123/mcptoon · claude-code-plugin/skills/mcptoon/SKILL.md

mcptoon skillA

mcptoon is agent-read markdown (skill) from activeing123/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. mcptoon compresses 71,929 tokens of tool schemas to 581 (-99.2%) and serves as an MCP 2026-07-28 stateless-first bridge..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add activeing123/mcptoon/mcptoon@git:20260908.2c50386
Exact content
mdr add activeing123/mcptoon/mcptoon@sha256:9164b5105b8ff339

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_k7enm6zosjoaovpc.svg)](https://markdownregistry.com/a/art_k7enm6zosjoaovpc)

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Versions

versioncommittedcommitsizeaudit
git:20260908.2c50386 latest2026-09-08 2c50386 2,461 BA view · diff
git:20260908.9adc28b2026-09-08 9adc28b 2,317 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (2461 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

activeing123/mcptoon · 195 stars · license Apache-2.0 · pushed 2026-09-08 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_k7enm6zosjoaovpc
GET https://markdownregistry.com/api/v1/resolve?ref=activeing123/mcptoon/mcptoon
GET https://markdownregistry.com/api/v1/blob/9164b5105b8ff3394f3cb9ffa51ad092067a67d8b5be20f4b71b37f555a30ad6