Koma Gate MCP Server

by swnotmetalio.github.swnotmetal/koma-gate-mcpv0.1.1

Classify input for prompt injection and out-of-scope content with Koma Gate's LLM-based classifier.

12Node.jsstdioofficial registry

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Active12d ago

Install Koma Gate MCP server

claude mcp add koma-gate -e GEMINI_API_KEY='<gemini-api-key>' -e OPENAI_API_KEY='<openai-api-key>' -e ANTHROPIC_API_KEY='<anthropic-api-key>' -e DEEPSEEK_API_KEY='<deepseek-api-key>' -- npx -y koma-gate-mcp

{
  "mcpServers": {
    "koma-gate": {
      "command": "npx",
      "args": [
        "-y",
        "koma-gate-mcp"
      ],
      "env": {
        "GEMINI_API_KEY": "<gemini-api-key>",
        "OPENAI_API_KEY": "<openai-api-key>",
        "ANTHROPIC_API_KEY": "<anthropic-api-key>",
        "DEEPSEEK_API_KEY": "<deepseek-api-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "koma-gate": {
      "command": "npx",
      "args": [
        "-y",
        "koma-gate-mcp"
      ],
      "env": {
        "GEMINI_API_KEY": "<gemini-api-key>",
        "OPENAI_API_KEY": "<openai-api-key>",
        "ANTHROPIC_API_KEY": "<anthropic-api-key>",
        "DEEPSEEK_API_KEY": "<deepseek-api-key>"
      }
    }
  }
}

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

{
  "servers": {
    "koma-gate": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "koma-gate-mcp"
      ],
      "env": {
        "GEMINI_API_KEY": "<gemini-api-key>",
        "OPENAI_API_KEY": "<openai-api-key>",
        "ANTHROPIC_API_KEY": "<anthropic-api-key>",
        "DEEPSEEK_API_KEY": "<deepseek-api-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "koma-gate": {
      "command": "npx",
      "args": [
        "-y",
        "koma-gate-mcp"
      ],
      "env": {
        "GEMINI_API_KEY": "<gemini-api-key>",
        "OPENAI_API_KEY": "<openai-api-key>",
        "ANTHROPIC_API_KEY": "<anthropic-api-key>",
        "DEEPSEEK_API_KEY": "<deepseek-api-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
KOMA_PROVIDER	—	—	LLM provider: openai, anthropic, google, deepseek, or ollama (default: google)
KOMA_MODEL	—	—	Optional model override for the selected provider
GEMINI_API_KEY	—	yes	Google Gemini API key (used by the default provider)
OPENAI_API_KEY	—	yes	OpenAI API key when KOMA_PROVIDER=openai
ANTHROPIC_API_KEY	—	yes	Anthropic API key when KOMA_PROVIDER=anthropic
DEEPSEEK_API_KEY	—	yes	DeepSeek API key when KOMA_PROVIDER=deepseek

Freshness

Active — last maintenance signal 12d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-27 · 12d ago · GitHub
Latest release
2026-08-11 · 59d ago · GitHub · v0.2.1
Package published
no data · npm/PyPI
Registry entry updated
2026-08-15 · 55d ago · official registry · v0.1.1

FAQ

›How do I install the Koma Gate MCP server in Claude Code?

Run: claude mcp add koma-gate -e GEMINI_API_KEY='<gemini-api-key>' -e OPENAI_API_KEY='<openai-api-key>' -e ANTHROPIC_API_KEY='<anthropic-api-key>' -e DEEPSEEK_API_KEY='<deepseek-api-key>' -- npx -y koma-gate-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Koma Gate require an API key?

Yes. It expects GEMINI_API_KEY, OPENAI_API_KEY, ANTHROPIC_API_KEY, DEEPSEEK_API_KEY, of which 4 are secrets.

›Can I use Koma Gate as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Koma Gate in the official MCP registry?

Yes, as io.github.swnotmetal/koma-gate-mcp.