MCP server

Javelin Guardrails

io.github.abhijitjavelin/javelin-guardrails-mcp-server

Checked 26 Oct 2026, 08:29 UTC · It answered and asked for a sign-in

An MCP server that provides Javelin Standalone Guardrails

Needs an API key

https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Needs an API key
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.javelin-guardrails-mcp-server]
url = "https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"javelin-guardrails-mcp-server":{"type":"http","url":"https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp"}}}

Antigravity

agy mcp add javelin-guardrails-mcp-server https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"javelin-guardrails-mcp-server","server_url":"https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"javelin-guardrails-mcp-server","server_url":"https://abhijitjavelin.github.io/javelin-guardrails-mcp-server/mcp"}

Needs an API key or token from its maker, usually added as a header in the setup.

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