JSer.info MCP server for AI agents

JSer.info MCP Server is a tool that allows you to access and search JSer.info content through the Model Context Protocol. It provides functions to search articles, retrieve product information, and access weekly JSer content through various tools.

Installation and Setup

Setting up in VSCode

You can use JSer.info MCP in VSCode through two methods:

Using the Remote Server (Recommended)

You can add the remote server in one of the following ways:

Option 1: Via Command Line

code --add-mcp '{"name":"jser-info-mcp","url":"https://mcp.jser.info/mcp"}'

Option 2: Adding to settings.json

Add the following configuration to your VSCode settings.json:

"mcp": {
  "servers": {
    "jser-info-mcp": {
      "url": "https://mcp.jser.info/mcp"
    }
  }
}

This will automatically make JSer.info MCP available in VSCode.

Using a Local Server

Start @jser/mcp in your terminal:
```
npx @jser/mcp
```
Open the VSCode command palette (using Cmd+Shift+P or Ctrl+Shift+P), then run "MCP: Add Server..."
Enter http://localhost:14561/mcp as the server URL to connect

Available Tools and Features

After connecting, you'll have access to the following tools:

jser_search_items

Searches for items by title, description, URL, or tags. Multiple keywords separated by spaces are treated as OR search.

Parameters:

query: Search query (1-100 characters)
limit: Maximum number of results to return (1-100, default: 10)
offset: Result offset (0 or greater, default: 0)
order: Sort order
- desc: Newest first (default)
- asc: Oldest first

Returns an array of items containing title, URL, content, tags, date, and related links.

jser_search_posts

Searches for posts by title, description, URL, or tags.

Parameters:

query: Search query (1-100 characters)
limit: Maximum number of results (1-100, default: 10)
offset: Result offset (0 or greater, default: 0)
sort: Sort method
- relevance: By relevance (default)
- date: By date
order: Sort order
- desc: Newest/most relevant first (default)
- asc: Oldest/least relevant first

Returns an array of posts with title, URL, content, tags, and date.

jser_product_name

Retrieves product name from a URL.

Parameters:

url: Product URL (required)

Returns a product info object containing name, URL, release note probability, version, and related release note URL if applicable.

jser_week

Gets JSer week information by number.

Parameters:

number: JSer week number (required)

Returns a JSer week object with number, start date, end date, items, and posts.

jser_weeks

Gets all JSer weeks.

Returns an array of JSer week objects.

jser_weeks_between

Gets JSer weeks between two dates.

Parameters:

beginDate: Start date (required)
endDate: End date (required)

Returns an array of JSer week objects within the specified period.

jser_week_with_item_url

Gets the JSer week containing an item with the specified URL.

Parameters:

item_url: Item URL (required)

Returns a JSer week object.

jser_item_with_item_url

Gets an item with the specified URL.

Parameters:

url: Item URL (required)

Returns an item object with title, URL, description, tags, date, and related links.

How to install this MCP server

For Claude Code

To add this MCP server to Claude Code, run this command in your terminal:

claude mcp add-json "jser-info-mcp" '{"url":"https://mcp.jser.info/mcp"}'

See the official Claude Code MCP documentation for more details.

For Cursor

There are two ways to add an MCP server to Cursor. The most common way is to add the server globally in the ~/.cursor/mcp.json file so that it is available in all of your projects.

If you only need the server in a single project, you can add it to the project instead by creating or adding it to the .cursor/mcp.json file.

Adding an MCP server to Cursor globally

To add a global MCP server go to Cursor Settings > Tools & Integrations and click "New MCP Server".

When you click that button the ~/.cursor/mcp.json file will be opened and you can add your server like this:

{
    "mcpServers": {
        "jser-info-mcp": {
            "url": "https://mcp.jser.info/mcp"
        }
    }
}

Adding an MCP server to a project

To add an MCP server to a project you can create a new .cursor/mcp.json file or add it to the existing one. This will look exactly the same as the global MCP server example above.

How to use the MCP server

Once the server is installed, you might need to head back to Settings > MCP and click the refresh button.

The Cursor agent will then be able to see the available tools the added MCP server has available and will call them when it needs to.

You can also explicitly ask the agent to use the tool by mentioning the tool name and describing what the function does.

For Claude Desktop

To add this MCP server to Claude Desktop:

1. Find your configuration file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json
Linux: ~/.config/Claude/claude_desktop_config.json

2. Add this to your configuration file:

{
    "mcpServers": {
        "jser-info-mcp": {
            "url": "https://mcp.jser.info/mcp"
        }
    }
}

3. Restart Claude Desktop for the changes to take effect