# Posecode MCP (MCP server)

> Posecode MCP is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Author, ROM-validate, and render 3D human movement (.posecode) with a shareable playground link. It has 117 GitHub stars, is released under the Apache-2.0 license and runs locally with npx -y posecode-mcp.

An inspectable, editable movement format for animation tools, LLMs, and web products. Like Mermaid for movement: small text documents for describing, validating, and rendering

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/posecode-dev/posecode |
| GitHub stars | 117 |
| License | Apache-2.0 |
| Language | TypeScript |
| Transport | stdio |
| Packages | npm: posecode-mcp |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Other |
| Latest release | posecode-embed@0.6.0 (Oct 4, 2026) |
| Last commit | Oct 5, 2026 |
| MCP registry name | io.github.posecode-dev/posecode-mcp |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "posecode-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "posecode-mcp"
      ],
      "env": {
        "POSECODE_BASE_URL": "your-value"
      }
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --env POSECODE_BASE_URL=your-value --transport stdio posecode-mcp -- npx -y posecode-mcp
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "posecode-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "posecode-mcp"
      ],
      "env": {
        "POSECODE_BASE_URL": "your-value"
      }
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "posecode-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "posecode-mcp"
      ],
      "env": {
        "POSECODE_BASE_URL": "your-value"
      }
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Environment variables

- `POSECODE_BASE_URL`: Playground origin used for render permalinks (defaults to https://posecode.org).

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---

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