Javelin Guardrails MCP Server: Install & Setup

Install Javelin Guardrails in Claude Code

Claude Code

claude mcp add --transport http javelin-guardrails https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "javelin-guardrails": {
      "url": "https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp"
    }
  }
}

Frequently asked questions

What does the Javelin Guardrails MCP server do?

An MCP server that provides Javelin Standalone Guardrails

Is the Javelin Guardrails MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Javelin Guardrails run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Javelin Guardrails to Claude Code?

Run: claude mcp add --transport http javelin-guardrails https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp

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