leaf

Generative UI: the agent builds the page the task needs, writes new widgets when the project calls for them, and answers the user's comments and edits over a messaging and collaboration bus.

CodexClaude Code1 Skill1 MCP serverstdio

By Maximilian RoosLicense: MIT5 GitHub starsUpdated 2 days ago

Directory evidence

Runtimes: Codex and Claude Code
Parsed components: 2 skill or MCP entries
Source updated: Sep 22, 2026
Manifest status: Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install leaf for Codex and Claude Code

Installs for the current user

codex plugin marketplace add max-sixty/leaf
codex plugin marketplace upgrade leaf
codex plugin add leaf@leaf

Paste and run these commands in a terminal with Codex. They add and refresh the leaf catalog, then install this plugin.

Compatibility: the page URL and API slug “leaf” remain stable.

Codex: leaf@agent-plugin-marketplace → leaf@leaf

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually

$ git clone https://github.com/max-sixty/leaf

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The repository root is the plugin root.

Plugin files

leaf/

├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
├── skills/leaf/SKILL.md
└── .mcp.json

Included Skills1

leafskills/leaf/SKILL.md

Presents designs, decisions, findings, or live work as an HTML page the user can comment on and manipulate, and processes reader input delivered from an existing Leaf page. Use for “explain this in HTML,” “write up the findings,” “show me the options,” building a playground, explorer, simulator, or interactive tool, work whose progress or review belongs in a shared page, a `leaf_delivery` tool output, or a `leaf-delivery` message.

MCP servers1

leafstdio

command: ./bin/leaf
args: mcp
cwd: .

Plugin manifests2

.codex-plugin/plugin.json

{
  "name": "leaf",
  "description": "Generative UI: the agent builds the page the task needs, writes new widgets when the project calls for them, and answers the user's comments and edits over a messaging and collaboration bus.",
  "author": {
    "name": "Maximilian Roos",
    "url": "https://github.com/max-sixty"
  },
  "homepage": "https://github.com/max-sixty/leaf",
  "repository": "https://github.com/max-sixty/leaf",
  "license": "MIT",
  "keywords": [
    "generative-ui",
    "plan-review",
    "review",
    "html",
    "annotation",
    "collaboration"
  ],
  "mcpServers": "./.codex-plugin/mcp.json",
  "interface": {
    "displayName": "Leaf",
    "shortDescription": "Generative UI for your agent.",
    "longDescription": "The agent builds the page the task needs from an open vocabulary of widgets, and writes a new widget when the project calls for one. Comments, drags, and edits come back to the session over a messaging and collaboration bus.",
    "developerName": "Maximilian Roos",
    "category": "Productivity",
    "capabilities": [
      "Interactive",
      "Write"
    ],
    "websiteURL": "https://github.com/max-sixty/leaf",
    "defaultPrompt": [
      "Present this work as a Leaf page.",
      "Use Leaf to put this plan on a page."
    ]
  }
}

.claude-plugin/plugin.json

{
  "name": "leaf",
  "description": "Generative UI: the agent builds the page your task needs, writes new widgets when the project calls for them, and answers your comments and edits over a messaging and collaboration bus.",
  "author": {
    "name": "Maximilian Roos"
  },
  "homepage": "https://github.com/max-sixty/leaf",
  "repository": "https://github.com/max-sixty/leaf",
  "license": "MIT",
  "keywords": [
    "generative-ui",
    "plan-review",
    "review",
    "html",
    "annotation",
    "collaboration"
  ]
}