Excalidraw Diagram Skill — Instalar & Demo en vivo

Por qué usarlo

Características clave

Outputs native .excalidraw JSON (fully editable)
Pre-baked layouts for architecture, sequence, flow, mind map
Smart auto-layout to avoid label overlap
Annotation arrows with proper anchoring
Works in any agent (Claude Code, Cursor, Codex)

Demo en vivo

Cómo se ve en la práctica

excalidraw-diagram-skill.replay ▶ listo

0/0

Instalar

Elige tu cliente

~/Library/Application Support/Claude/claude_desktop_config.json · Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "excalidraw-diagram-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/coleam00/excalidraw-diagram-skill",
        "~/.claude/skills/excalidraw-diagram-skill"
      ],
      "_inferred": true
    }
  }
}

Abre Claude Desktop → Settings → Developer → Edit Config. Reinicia después de guardar.

~/.cursor/mcp.json · .cursor/mcp.json

{
  "mcpServers": {
    "excalidraw-diagram-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/coleam00/excalidraw-diagram-skill",
        "~/.claude/skills/excalidraw-diagram-skill"
      ],
      "_inferred": true
    }
  }
}

Cursor usa el mismo esquema mcpServers que Claude Desktop. La configuración del proyecto prevalece sobre la global.

VS Code → Cline → MCP Servers → Edit

{
  "mcpServers": {
    "excalidraw-diagram-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/coleam00/excalidraw-diagram-skill",
        "~/.claude/skills/excalidraw-diagram-skill"
      ],
      "_inferred": true
    }
  }
}

Haz clic en el icono MCP Servers de la barra lateral de Cline y luego en "Edit Configuration".

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "excalidraw-diagram-skill": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/coleam00/excalidraw-diagram-skill",
        "~/.claude/skills/excalidraw-diagram-skill"
      ],
      "_inferred": true
    }
  }
}

Mismo formato que Claude Desktop. Reinicia Windsurf para aplicar.

~/.continue/config.json

{
  "mcpServers": [
    {
      "name": "excalidraw-diagram-skill",
      "command": "git",
      "args": [
        "clone",
        "https://github.com/coleam00/excalidraw-diagram-skill",
        "~/.claude/skills/excalidraw-diagram-skill"
      ]
    }
  ]
}

Continue usa un array de objetos de servidor en lugar de un mapa.

~/.config/zed/settings.json

{
  "context_servers": {
    "excalidraw-diagram-skill": {
      "command": {
        "path": "git",
        "args": [
          "clone",
          "https://github.com/coleam00/excalidraw-diagram-skill",
          "~/.claude/skills/excalidraw-diagram-skill"
        ]
      }
    }
  }
}

Añádelo a context_servers. Zed recarga en caliente al guardar.

claude mcp add excalidraw-diagram-skill -- git clone https://github.com/coleam00/excalidraw-diagram-skill ~/.claude/skills/excalidraw-diagram-skill

Un solo comando. Verifica con claude mcp list. Quita con claude mcp remove.

Casos de uso

Usos del mundo real: Excalidraw Diagram Skill

Generate an editable architecture diagram from a description

👤 Engineers documenting systems ⏱ ~15 min intermediate

Cuándo usarlo: You want a diagram you can iterate on, not a static PNG.

Requisitos previos

Server/skill installed and authenticated — See repo README

Flujo

Describe the system

Using the Excalidraw skill, draw our auth flow: SPA → API gateway → auth-service → Postgres → emit event to Kafka.✓ Copiado

→ A .excalidraw file with labeled boxes + arrows
Iterate

Add a Redis cache between API gateway and auth-service.✓ Copiado

→ Updated file with the new node + correct re-routed arrows

Resultado: A diagram you actually edit, not redraw.

Errores comunes

For very large diagrams (>30 nodes) auto-layout struggles — For very large diagrams (>30 nodes) auto-layout struggles — split into multiple diagrams or group by concern.

Coste y límites

Lo que cuesta ejecutarlo

Cuota de API: See provider docs for rate limits
Tokens por llamada: Varies by tool
Monetario: See repo README for pricing details
Consejo: Cache tool results and avoid repeated identical calls.

Seguridad

Permisos, secretos, alcance

Almacenamiento de credenciales: Use environment variables; never commit secrets

Salida de datos: Tool calls go to the provider's API as documented

Resolución de problemas

Errores comunes y soluciones

file doesn't open in Excalidraw

Make sure the file ends with .excalidraw and is valid JSON. The skill outputs both, but check the extension.

Verificar: Open at excalidraw.com → load file

arrows pointing wrong way

Excalidraw's arrow startBinding/endBinding matters. The skill's templates handle it, but custom edits can break it.

Verificar: Reload the file

Alternativas

Excalidraw Diagram Skill vs otros

Alternativa	Cuándo usarla	Contrapartida
BV-Venky/excalidraw-architect-mcp	You want it as an MCP server instead of a skill	MCP is heavier setup; skill is just a folder

Más

Recursos

📖 Lee el README oficial en GitHub

🐙 Ver issues abiertas

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