Stability AI MCP Server

What it does

Community wrapper for Stability AI's hosted REST API: SD3.5 and Core generation plus a deep editing kit — outpainting, search-and-replace, search-and-recolor, background replace with relighting, sketch/style/structure control and fast or creative 4x upscaling. A capable, cheap stills and plate-fixing tool for film agents.

Connect

claude mcp add stability -e STABILITY_AI_API_KEY=YOUR_KEY -- npx -y mcp-server-stability-ai

{
  "mcpServers": {
    "stability-ai": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-stability-ai"
      ],
      "env": {
        "STABILITY_AI_API_KEY": "YOUR_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "stability-ai": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-stability-ai"
      ],
      "env": {
        "STABILITY_AI_API_KEY": "YOUR_KEY_HERE"
      }
    }
  }
}

Sample tools

Field notes

MIT, 84 stars, not archived; unaffiliated with Stability AI, which still ships no official MCP — re-checked 9 Oct 2026, the Stability-AI GitHub org has no MCP repo, so every Stability server on the market is a community wrapper, and this is the one with the deepest tool coverage. Beware the name collision: 'Stability MCP Server' listings for nuljui/stbl-mcp are for the Stability blockchain, not image generation. Aging: npm latest is still 0.2.0 from Mar 2025 and the last push landed Jun 24 2025 — over fifteen months cold, though the REST API it wraps has not moved under it. Supports IMAGE_STORAGE_DIRECTORY for writing outputs to disk. Per-tool cost runs roughly $0.01-$0.25 in Stability credits; confirm current rates at platform.stability.ai.

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