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feynman

apolenkov v1.4.0

Auto-inject ASCII diagram rules into Claude Code prompts. Structure in your response gets a diagram without the developer asking.

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From the developer

License

MIT

Works with

Claude Code

Description

From the marketplace listing

Auto-inject ASCII diagram rules into Claude Code prompts. Structure in your response gets a diagram without the developer asking.

Source repository ↗

What changed

No changes recorded yet. Follow this plugin to keep track of future changes.

Keywords

Files & skills

feynman · catalog manifest

Saved declaration

{}
feynman · catalog manifest

Saved declaration

{
  "name": "feynman",
  "source": {
    "sha": "dec50289e9dfeef6b910ed6d498d9222b4519f0f",
    "url": "https://github.com/apolenkov/feynman.git",
    "source": "url"
  },
  "category": "development",
  "homepage": "https://github.com/apolenkov/feynman.git",
  "description": "Auto-inject ASCII diagram rules into Claude Code prompts. Structure in your response gets a diagram without the developer asking."
}
feynman · catalog manifest

Saved declaration

{
  "name": "feynman",
  "author": {
    "url": "https://github.com/apolenkov/feynman",
    "name": "apolenkov"
  },
  "license": "MIT",
  "version": "1.4.0",
  "homepage": "https://github.com/apolenkov/feynman",
  "keywords": [
    "claude-code",
    "codex",
    "ascii",
    "diagrams",
    "hooks",
    "productivity",
    "visualization",
    "structured-output"
  ],
  "interface": {
    "category": "Productivity",
    "brandColor": "#10B981",
    "websiteURL": "https://github.com/apolenkov/feynman",
    "displayName": "feynman",
    "screenshots": [],
    "capabilities": [
      "Interactive",
      "Write"
    ],
    "defaultPrompt": [
      "Use feynman diagrams for structured answers.",
      "Explain this architecture visually.",
      "Compare these options with ASCII columns."
    ],
    "developerName": "apolenkov",
    "longDescription": "feynman is a hook-based plugin that injects concise ASCII diagram rules at session start — flows, hierarchies, comparisons, priorities, and status summaries render as readable diagrams. Includes a built-in linter (15 rules) and autofix engine. Zero npm dependencies; TypeScript source, compiled JS published.",
    "privacyPolicyURL": "https://github.com/apolenkov/feynman/blob/main/PRIVACY.md",
    "shortDescription": "Draw ASCII diagrams when structure appears.",
    "termsOfServiceURL": "https://github.com/apolenkov/feynman/blob/main/LICENSE"
  },
  "repository": "https://github.com/apolenkov/feynman",
  "description": "Auto-inject ASCII diagram rules into Claude Code prompts. Structure in your response gets a diagram without the developer asking."
}

plugin.json observed Nov 6, 2026 · 10:51 UTC. Manifest source ↗

Catalog declarations and available plugin.json metadata are saved. Referenced skills and executable source files are not downloaded or tested. Missing components in a manifest do not prove that the plugin has none.

Installation instructions

Community

/plugin marketplace add anthropics/claude-plugins-community
/plugin install feynman@claude-community

Claude Code installation documentation

Technical details
Sources
Community
First seen
Oct 3, 2026 · 22:13 UTC
Last seen
Nov 7, 2026 · 12:00 UTC
Latest observed change
Oct 3, 2026 · 22:13 UTC
Collection status
Listed
Reported installs
Not provided

Installation counts are source-reported, not independently verified active users. Observation dates are not release dates.

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Plugin history: served from cache. Prepared . Refreshed when catalog data changes or after 6 hours. Your account and Follow status are live.