LocalFree server, account needed

Jsr MCP server

wyattjoh/jsr-mcp

Access JSR, the JavaScript Registry.

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Install Jsr in Claude Code

This server doesn't publish a package to a registry, so follow the install steps in its README. Once it runs, register it with Claude Code:

Claude Code
claude mcp add jsr -- <command to start the server>

Frequently asked questions

What does the Jsr MCP server do?

Access JSR, the JavaScript Registry.

Is the Jsr 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 Jsr run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Jsr to Claude Code?

Follow the install steps in the project's README at https://github.com/wyattjoh/jsr-mcp, then register it with "claude mcp add".

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