Mailpal

List, inspect, and run saved HTTP requests from MailPal collections; write tools on Pro

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "mailpal": {
      "command": "npx",
      "args": [
        "-y",
        "mailpal-mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

MailPal

The honest API client for VS Code.
Collections, variables, unlimited history, an MCP server for AI agents, and a free tier that stays free.

Install from the VS Code Marketplace

MailPal request panel

Why MailPal exists

The most popular REST client for VS Code has 7.4 million installs and a 2.5 star rating, because its free tier slowly moved everything, including your own request history, behind a paywall.

MailPal makes the opposite promise, and treats it like a contract:

The free tier is fully usable for a single user, forever.
Unlimited requests, unlimited collections, unlimited local history.
Pro adds new value only. It never gates access to your own data.
If a license lapses, Pro features stop. Everything else keeps working.

Highlights

Full request builder with a Postman-style editor: auto-growing key/value rows, header autocomplete, color-coded JSON editing with format and validation
Auto headers surfaced, so you see and control everything sent on the wire
Syntax-highlighted responses (JSON and XML), HTML raw/preview toggle, resizable request/response split
Per-collection variables with {{VAR}} placeholders; secret values live in your OS keychain, never in files
Unlimited local history with one-click re-send
Import Postman v2.1, Thunder Client, OpenAPI 3.x, and curl; export Postman and curl
Assertions per request with pass/fail on every send
A bundled MCP server, registered with VS Code agent mode automatically, so AI agents can list, run, and (with Pro) create requests

For AI agents (MCP)

The MCP server also ships standalone on npm as mailpal-mcp:

Terminal

claude mcp add mailpal -- npx -y mailpal-mcp

Works with any MCP client (Cursor, Claude Desktop, and friends) via npx -y mailpal-mcp.

Support

Questions, bugs, and feature requests: open an issue.

This repository hosts the project's public home, issues, and media. The extension itself ships through the VS Code Marketplace.

Read the full README →View source on GitHub →

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Frequently Asked Questions about Mailpal

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "mailpal": { "command": "npx", "args": ["-y", "mailpal"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

36Quality signal: Fair · 36/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools16/30

Adoption & activity1/15

Community engagement0/10

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