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PopNx MCPMCP servers for people who use AI · explained in plain words

Corral

by sebastienrousseauversion 0.0.36i★ –iRuns on your computer
Registry nameio.github.sebastienrousseau/corral

Install

Overview

Description from the maker (original English)

Search code and symbols across every clone in your Corral workspace. Zero network calls.

PopNx MCP’s three pillars

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

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: Search & AI memory

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

Which app do you use?

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": {
    "corral": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sebastienrousseau/corral:0.0.36"
      ]
    }
  }
}

Run this in your terminal

claude mcp add corral -- docker run -i --rm ghcr.io/sebastienrousseau/corral:0.0.36

Open in Cursor

Or copy the settings yourself

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

{
  "mcpServers": {
    "corral": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sebastienrousseau/corral:0.0.36"
      ]
    }
  }
}

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": {
    "corral": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sebastienrousseau/corral:0.0.36"
      ]
    }
  }
}

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 8, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account sebastienrousseau, which owns the repo

  • … 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 Search & AI memoryi

  • More stars than 0% of the other 5675 servers in this category
  • Published to the registry more recently than 39% of the other 5675 servers in this category
  • Basic checks equal to or better than 100% of the other 5675 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 Corral 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 (0.0.36) 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 Docker on your computer.

What can I use instead?

In the same category: Context7, Codebase Memory, Exa

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

Context7

by upstash

Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.

Computer or cloud★ 64,224MITUpdated yesterday
Install

Codebase Memory

by DeusData

Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

Runs on your computer★ 48,148MITUpdated 21 days ago
Install

Exa

by exa-labs

Connect AI agents to Exa for web search, content fetching, and multi-step research.

Runs in the cloud★ 5,213MITUpdated 2 months ago
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.

corralctl

Automatically clone and organise repositories from GitHub, GitLab, Gitea, Forgejo, Codeberg and Bitbucket using Finder-friendly collections, ecosystems, and metadata.


Contents

Getting started

  • Install — mise, Homebrew, Arch, Nix, Go, or from source
  • Quick Start — clone and organise in one command

Features & Capabilities

  • Features — structured layout, concurrency, and security
  • Architecture — end-to-end flow from API fetch to per-repo dispatch
  • Interactive TUI Mode — keybindings, commands, and autocomplete
  • Layout Customization — Apple-style collections, ecosystems, and custom templates
  • Smart Syncing — network-optimised incremental updates
  • Exec Mode — concurrent batch execution of Git commands
  • Mirror to other forges — corralctl sync pushes the tree to GitLab, Gitea, Forgejo, Codeberg, Bitbucket or GitHub
  • MCP Server — expose your local workspace to AI coding agents
  • Cross-repository symbol lookup — find where anything is defined, across every clone

Reference & Operational

  • Usage & Flags — complete CLI parameter reference
  • Examples — index of runnable programmatic examples
  • Troubleshooting — quick solutions to common errors
  • Frequently Asked Questions — design decisions and Windows/WSL support

Project

  • Documentation — manual, API reference, developer docs
  • When not to use corralctl — honest limits
  • Requirements & toolchain policy — the Go floor and when it moves
  • Stability guarantees — what a breaking change means here
  • Security & hardening — reporting, posture, fuzzing
  • License

Install

mise (macOS / Linux)
mise use -g github:sebastienrousseau/corralctl

This installs the latest released corralctl binary and keeps it managed with the rest of your mise tools.

Homebrew (macOS)
brew install sebastienrousseau/tap/corralctl

Homebrew here is a cask, which is a macOS-only mechanism — brew install on Linux will refuse it. On Linux use the .deb/.rpm packages or the tarballs attached to each release, or install with mise or the Go toolchain.

Arch Linux (AUR)
yay -S corralctl-bin    # or: paru -S corralctl-bin
Nix (any platform)
nix run github:sebastienrousseau/corralctl -- --help   # run without installing

nix profile install github:sebastienrousseau/corralctl # install

The flake ships the binary with its manpages and shell completions, and nix develop gives a shell with every tool the project's CI gates need, pinned by flake.lock.

Go toolchain
go install github.com/sebastienrousseau/corralctl/cmd/corralctl@latest

Installs into $(go env GOPATH)/bin (or $GOBIN when set). Note that a binary built this way reports corralctl version dev: the real version is stamped by the release pipeline through -ldflags, which go install does not apply. Use a release artefact if you need --version to be meaningful.

Build from source

Requires Git and Go at or above the go directive in go.mod, but not Go 1.27.0 to 1.27.2, which carry a reachable crypto/x509 advisory (see the minimum toolchain policy):

git clone https://github.com/sebastienrousseau/corralctl.git

cd corral make install # installs ~/.local/bin/corralctl

Platform Prerequisites

macOS

brew install go git gh

Ubuntu / Debian / WSL2

sudo apt install golang git

Install gh separately following the GitHub CLI installation guide.

Fedora / RHEL

sudo dnf install golang git gh

Quick Start

Run corralctl clone with an owner name (GitHub username or organization) to clone and automatically sort all repositories into a clean local directory hierarchy:

# Log in to GitHub CLI first (or set GITHUB_TOKEN)

gh auth login

Clone and organise every repository for your profile

corralctl clone my-username

The bare form, corralctl my-username, does the same thing. One binary, one base command, and every operation is a subcommand of it:

CommandDoes
corralctl clone Clone what is missing, pull what is stale, into the organised layout
corralctl sync --to Mirror the organised tree out to another forge — see Mirror to other forges
corralctl statusInventory local clones and their state
corralctl plan Preview a reconciliation without touching disk
corralctl prune Remove clones no longer upstream, refusing any with unpublished work
corralctl exec Run a command across every clone — see Exec Mode
corralctl mcpServe the workspace to AI agents — see MCP Server

This converges your local directory structure into a structured mirror:

~/Code/

├── Public/ │ ├── Go/ │ │ └── corral/ │ ├── Rust/ │ │ └── my-crate/ │ └── Web/ │ └── project.github.io/ ├── Private/ │ └── Python/ │ └── internal-tool/ ├── Forks/ │ └── Rust/ │ └── upstream-project/ └── Work/

On macOS, corralctl also writes native Finder Tags to repository folders while preserving tags you added yourself. This keeps the physical hierarchy shallow and makes Finder searches and Smart Folders useful across ecosystems.


Features

FeatureDescription
Apple-style LayoutSorts source repositories into Public/, Private/, and Forks/, using Finder-friendly ecosystem names such as Go, Rust, Python, and Web.
Finder TagsApplies native macOS lifecycle colors and searchable visibility, ecosystem, owner, fork, archive, template, and mirror metadata without replacing personal tags.
Smart SyncingCompares remote pushed_at metadata to skip redundant network calls, speeding up syncs by 10x-50x.
Interactive SelectionA fully featured Terminal UI (TUI) selector dashboard to search, preview, and select repositories to clone.
Legacy MigrationAutomatically moves existing flat directory layouts into the new structure and cleans up empty folders.
ConcurrencyProcesses clones and pulls concurrently with configurable worker limits (--concurrency).
Batch CommandsBatch execute Git commands concurrently across all cloned repositories using exec.
Zero ConfigurationNo configuration files required — simple, sensible defaults that work out of the box.

Architecture

A single run resolves git, fetches every repository concurrently from the forge (GitHub, GitLab, Gitea, Forgejo, Codeberg or Bitbucket), optionally lets you pick a subset interactively, then dispatches clone / smart-sync / skip decisions across a worker pool. Smart sync consults a per-repository .corral-state.json sidecar to skip a git pull when the upstream pushed_at is unchanged.

graph TD

A[User Shell] --> B{corralctl} B --> C[Pre-flight: exec.LookPath git] C -- Missing --> Z1[Exit: git not found on PATH] C -- OK --> D[Resolve auto/token/gh auth] D --> E[Forge API: list repos] E --> E1["First page

  • resp.LastPage"] E1 --> E2{LastPage > 1?} E2 -- Yes --> E3["Concurrent fetch

pages 2..N (max 5)"] E2 -- No --> F E3 --> F[Filtered repository set] F --> F1{TUI selector?} F1 -- "--select" --> F2[Interactive TUI /sort, /all, /none, search] F1 -- No --> G F2 --> G[Layout template render Collection/Bucket/Name] G --> H["Worker pool (--concurrency)"] H --> I{Already cloned?} I -- No --> J["git clone (+ blobless/ depth/single-branch)"] I -- "Yes (--no-sync)" --> K[SKIP] I -- Yes --> L{Smart sync: pushed_at advanced?} L -- No --> M[SKIP up-to-date] L -- "Yes (or --force-sync)" --> LG{"Operation in progress, local commits ahead, or no upstream?"} LG -- Yes --> LR[ERROR: pull refused] LG -- No --> N[git pull --rebase --autostash] N --> N1["+ optional submodule update (--ignore-submodule-failures)"] J & N1 --> O[Stamp .corral-state.json] O & K & M & LR --> P{All workers done?} P -- No --> H P -- Yes --> Q[Cleanup empty legacy dirs] Q --> R{--orphans?} R -- Yes --> S[Walk baseDir parse .git/config] R -- No --> T[Print summary] S --> T


Interactive TUI Mode

By passing the -i or --interactive flag, you can launch the selection dashboard:

./corralctl -i my-username
Keybindings
  • [space] — Toggle selection of the current repository.
  • [ctrl+a] — Select all currently filtered repositories.
  • [ctrl+n] — Deselect all currently filtered repositories.
  • [/] — Enter command / filter mode.
  • [enter] — Confirm selection and begin cloning/syncing.
  • [esc] — Exit the application silently.
In-Session Commands

Press / inside the TUI to enter Command Mode. Commands s

Only the beginning is shown; read the rest in the repo

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