JSR MCP
A Deno monorepo containing packages for JSR (JavaScript Registry) access:
- @wyattjoh/jsr - Core library for JSR API access
- @wyattjoh/jsr-mcp - Model Context Protocol (MCP) server for LLM integration
Features
- Search packages across the JSR registry
- Get package details, versions, and dependencies
- Manage scopes and package publishing
- Handle member invitations and permissions
- Access registry statistics and metadata
- Full authentication support for write operations
Requirements
- Deno 2.x or later
- Network access to JSR API
- JSR API token for authenticated operations (optional)
Packages
@wyattjoh/jsr
Core library for accessing JSR API:
deno add @wyattjoh/jsrimport { getPackage, searchPackages } from "@wyattjoh/jsr";
const results = await searchPackages({ query: "react" });
const pkg = await getPackage("deno", "std");See full documentation
@wyattjoh/jsr-mcp
MCP server for LLM integration:
# Run directly from JSR
deno run --allow-net --allow-env jsr:@wyattjoh/jsr-mcp
# Or install globally
deno install --global --allow-net --allow-env -n jsr-mcp jsr:@wyattjoh/jsr-mcp





