JustFill PDF Form Automation MCP Server

by mrmaciej1io.github.mrmaciej1/justfillv0.4.7

Fill AcroForm, flat and scanned PDF forms: detect and review fields, save templates, map JSON values and preview filled output before export.

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Deprecated5d ago

Install JustFill PDF Form Automation MCP server

claude mcp add justfill -e JUSTFILL_API_KEY='<justfill-api-key>' -- uvx justfill-mcp

{
  "mcpServers": {
    "justfill": {
      "command": "uvx",
      "args": [
        "justfill-mcp"
      ],
      "env": {
        "JUSTFILL_API_KEY": "<justfill-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "justfill": {
      "command": "uvx",
      "args": [
        "justfill-mcp"
      ],
      "env": {
        "JUSTFILL_API_KEY": "<justfill-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "justfill": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "justfill-mcp"
      ],
      "env": {
        "JUSTFILL_API_KEY": "<justfill-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "justfill": {
      "command": "uvx",
      "args": [
        "justfill-mcp"
      ],
      "env": {
        "JUSTFILL_API_KEY": "<justfill-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
JUSTFILL_API_KEY	—	yes	API key from justfill.app -> Account -> API Keys. Optional: `justfill-mcp login` stores one via the browser instead.

Remote endpoints

streamable-httphttps://api.justfill.app/api/mcp
streamable-httphttps://justfill.app/api/mcp

Freshness

Deprecated — last maintenance signal 5d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-04 · 5d ago · GitHub
Latest release
2026-08-24 · 46d ago · GitHub · v0.4.10
Package published
no data · npm/PyPI
Registry entry updated
2026-08-24 · 46d ago · official registry · v0.4.7

FAQ

›How do I install the JustFill PDF Form Automation MCP server in Claude Code?

Run: claude mcp add justfill -e JUSTFILL_API_KEY='<justfill-api-key>' -- uvx justfill-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does JustFill PDF Form Automation require an API key?

Yes. It expects JUSTFILL_API_KEY, of which 1 is a secret.

›Can I use JustFill PDF Form Automation as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is JustFill PDF Form Automation in the official MCP registry?

Yes, as io.github.mrmaciej1/justfill.