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Jsr MCP
An MCP server that provides access to JSR module documentation, obtaining and returning module documentation information through the Deno documentation API.
rating : 2.5 points
downloads : 9.1K
What is the JSR - MCP Server?
The JSR - MCP Server is a service interface specifically designed for JavaScript module documentation. It allows users to easily query and obtain detailed documentation of various modules in the JSR (JavaScript Registry) through the standardized MCP protocol.How to use the JSR - MCP Server?
Simply run the server and send a request via an MCP client, specifying the name of the module you want to query to obtain the corresponding documentation content.Applicable scenarios
When you need to quickly find API documentation, usage instructions, or functional descriptions of JavaScript modules, the JSR - MCP Server is the most convenient choice, especially suitable for real - time document reference during development.Main features
JSR module documentation query
Provides a complete retrieval function for JSR module documentation, supporting all JavaScript modules registered on the JSR
Standard MCP interface
Adopts the general Model Context Protocol (MCP) interface, compatible with various MCP client tools
Deno runtime integration
Built on the Deno runtime, making full use of Deno's security features and documentation API
Advantages
A simple and easy - to - use standardized interface
Real - time access to the latest module documentation
No need to install additional dependencies, can be run directly through Deno
Limitations
Currently only supports module documentation on the JSR
Requires a Deno runtime environment
The documentation format is plain text without styles
How to use
Start the server
Run the server program using Deno
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Connect the MCP client
Connect to the server through any client compatible with the MCP protocol
Send a documentation query request
Use the jsr_docs tool to query the documentation of a specified module
Usage examples
Query the documentation of the path handling module
During development, you need to understand the path handling methods provided by the @std/path module
Check the features of the latest version of a module
You want to know the new features added in the latest version of a module
Frequently Asked Questions
What environment is required to run this server?
Can I query the documentation of non - JSR modules?
What is the format of the returned documentation?
Related resources
Deno official documentation
Deno runtime user manual
MCP protocol specification
Official specification of the Model Context Protocol
JSR registry
JavaScript module registry
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