Letmediff MCP

Name: Letmediff MCP
Author: paoloricciuti

by paoloricciutiversion 0.0.11i★ –iRuns on your computer

Registry nameit.letmediff/mcp

Install

Overview

Description from the maker (original English)

The official Letmediff MCP server helping you review your code with an agent first workflow

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs on your computer
Transport: stdio
Category: Other

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on your computer with your user’s permissions (files, network, apps).
The registry lists no key to fill in.

You need

npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

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

Run this in your terminal

claude mcp add letmediff -- npx -y letmediff

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "letmediff": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "letmediff"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

✓ Pass
Maker matches the repo
The registry name was verified against the domain letmediff.it (the registry checks domain ownership)
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

More stars than 0% of the other 32712 servers in this category
Published to the registry more recently than 32% of the other 32712 servers in this category
Basic checks equal to or better than 100% of the other 32712 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Letmediff MCP safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.0.11) reached the registry 2 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Aiterm MCP

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Spec Driven Development

by formulahendry

MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.

Runs on your computer★ 440MITUpdated 14 months ago

Install

Remote Desktop Commander

by desktop-commander

Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.

Runs in the cloud★ 211Updated 2 days ago

Install

Aiterm MCP

by kitepon

Persistent terminals and one launcher for Claude, Codex, Grok, Cursor, and Antigravity harnesses.

Runs on your computerUpdated today

Install

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

letmediff CLI

letmediff is an MCP server that lets an agent share its current code diff for review and receive feedback from the reviewer without leaving the coding session.

It snapshots the repository where it is started, tracks named checkpoints, uploads the checkpoint diffs to the letmediff web app, and waits for feedback over server-sent events.

Install

From the published package:

pnpm dlx letmediff

From this workspace:

pnpm --filter letmediff exec letmediff

MCP Usage

Configure your MCP client to run letmediff in the repository you want reviewed.

Example command:

letmediff

For local app development, point the CLI at the local SvelteKit server:

URL=http://localhost:5173 letmediff

If URL is not set, the CLI posts diffs to https://letmediff.com.

Tools

The server exposes four MCP tools.

create_checkpoint: stores the diff since the previous snapshot under a reviewer-friendly name.
reset_review: clears all checkpoints and restarts the review from the current working tree. Destructive.
get_url: uploads the collected checkpoints and returns the shareable /diff/[id] URL.
wait_for_feedback: waits for feedback submitted from the web app and returns it to the agent.

Review Flow

Start the MCP server from the repository being edited.
Ask the agent to create checkpoints when a change should appear as a separate review section.
Ask the agent for the review URL.
Open the URL, review the rendered diff, and submit feedback.
The agent receives the feedback through wait_for_feedback and can continue working.

Development

Install dependencies from the repo root:

pnpm install

Run tests:

pnpm --filter letmediff test

The CLI entry point is src/index.js. Git snapshotting and checkpoint diff generation live in src/git.js.

Environment

URL: base URL of the letmediff app. Defaults to https://letmediff.com.

Notes

The server uses stdio transport, so normal stdout is reserved for MCP communication.
It snapshots the current working directory at startup, excluding .git.
Checkpoints are kept in memory for the life of the MCP process.

Letmediff MCP

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

Aiterm MCP

README from the maker

letmediff CLI

Install

MCP Usage

Tools

Review Flow

Development

Environment

Notes