@jser/mcp

@jser

About @jser/mcp

An MCP Server for JSer.info

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-jser": {
      "command": "npx",
      "args": [
        "@jser/mcp"
      ]
    }
  }
}

Tools

No tools detected

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is @jser/mcp?

@jser/mcp is an MCP server for JSer.info, a Japanese curated weekly newsletter covering JavaScript and web development. It provides tools to search, retrieve, and explore JSer.info items, posts, weekly editions, and product names.

How to use @jser/mcp?

You can use the remote server (recommended) by adding https://mcp.jser.info/mcp via VSCode's command line or settings.json, or run a local server with npx @jser/mcp and connect to http://localhost:14561/mcp. Once connected, several tools become available for searching and browsing JSer.info content.

Key features of @jser/mcp

Search items by title, description, URL, and tags (OR search).
Search posts by title, description, URL, and tags.
Fetch product name, release note info from a URL.
Retrieve a specific JSer week or all weeks.
List weeks between two dates and find weeks containing an item.

Use cases of @jser/mcp

Find JavaScript articles and resources by keyword across JSer.info history.
Look up product names and release notes for a given project URL.
Browse weekly digests between specific dates for research or curation.
Retrieve detailed item or post data for integration into other tools.

FAQ from @jser/mcp

Can I use @jser/mcp without a local server?

Yes, a remote server at https://mcp.jser.info/mcp is available and recommended for VSCode.

How often does the server update its data?

Data is cached for one minute; after one minute, it fetches fresh data from the source.

What data sources does this server use?

It uses the JSer.info data-fetcher, the @jser/dataset for search, and the JSer.info Product Name API for product name lookup.

What is the difference between “items” and “posts”?

Items represent individual websites introduced in JSer.info; posts are articles published on JSer.info each week. Post items link items to their category within a post.

What authentication or configuration is required?

No authentication is needed; the server is public and accessible via standard MCP transport (HTTP/JSON-RPC).

Frequently asked questions