Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Plain-English security checks for AI-built apps (Trivy + Opengrep), with fix requests for agents
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
Pick the AI app you use, then copy the settings.
APPLEDGER_MODE, APPLEDGER_KEYValues marked secret are keys to your account. Never share them or paste them into a chat.
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": {
"appledger": {
"command": "uvx",
"args": [
"appledger",
"mcp"
],
"env": {
"APPLEDGER_MODE": "your-value",
"APPLEDGER_KEY": "your-value"
}
}
}
}Run this in your terminal
claude mcp add appledger --env APPLEDGER_MODE=your-value --env APPLEDGER_KEY=your-value -- uvx appledger mcpFill in the empty values before running it.
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"appledger": {
"command": "uvx",
"args": [
"appledger",
"mcp"
],
"env": {
"APPLEDGER_MODE": "your-value",
"APPLEDGER_KEY": "your-value"
}
}
}
}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.
Paste into .vscode/mcp.json in your project
{
"servers": {
"appledger": {
"type": "stdio",
"command": "uvx",
"args": [
"appledger",
"mcp"
],
"env": {
"APPLEDGER_MODE": "your-value",
"APPLEDGER_KEY": "your-value"
}
}
}
}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.
APPLEDGER_MODE envThese settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Runs on your computer; the tool list appears in your AI app after you install it.
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 6, 2026
The registry name was verified against the domain appledger.net (the registry checks domain ownership)
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
This one runs on your computer; there is no internet endpoint
Runs on your computer and uses local settings instead
Runs on your computer; we can only read tool lists from internet endpoints
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
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.
You need to fill in: APPLEDGER_KEY
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).
The GitHub repo last changed –, and the latest version (0.2.5) reached the registry 23 days ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Python (uv) on your computer.
In the same category: Spec Driven Development, Remote Desktop Commander, Symantec Cloud DLP AIops
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Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
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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.
Honest security feedback, in plain language, for apps people build with AI tools such as Claude Code, Codex, Cursor and Lovable.
AppLedger checks your app folder with independent scanners and explains what they find in everyday words: what is wrong, why it matters, and what to do. It also writes a fix request you can hand straight to the AI tool that built the app, then checks again.
| Scanner | Finds |
|---|---|
| Trivy | Leaked passwords and keys, outdated libraries with known security problems, risky container setup |
| Opengrep | Dangerous code patterns: SQL injection, command injection, unsafe data loading, debug mode left on |
| SonarQube (optional, local mode) | Code quality and more security hotspots, if you already run a SonarQube server |
Each run produces, in /.appledger/:
report.html: a score, who may use the app right now (only you, your team, the whole company), and every problem in plain wordsfix-prompt.md: a ready-made fix request for your coding agentfindings.json: the same findings for tools and dashboards| Mode | What you install | Where your code goes |
|---|---|---|
| Hosted (default) | Only this package | Source files Git would commit are zipped, sent over HTTPS to appledger.net, scanned and deleted right after. Secret files are never sent. You confirm before the first upload of each folder |
Local (--local or APPLEDGER_MODE=local) | Also Trivy, Opengrep and the Opengrep rules | Stays on your computer. With a connection key, only a summary goes to your dashboard (see below); --no-dashboard skips even that |
git ls-files, including new files that aren't ignored). Outside a Git repository, .gitignore is still honoured..env and .env.* (except .env.example, .env.sample, .env.template), *.pem, *.key, *.p12, *.pfx, SSH keys, .npmrc, .pypirc, .netrc, *credentials*.json, service-account*.json, secrets.*, the folders cert, certs, secrets, .ssh and .aws, .claude/settings.local.json, Terraform state, password files, Ansible Vault files, Kubernetes/Helm secret manifests, certificates and similar (full list in src/appledger/uploadpolicy.py). The server drops such files again as a second safety net.If a secret file is committed to Git or not ignored, the check reports it as a problem by file name. Its content is never read or sent.
See exactly what would be sent, and what is left out and why, without uploading anything:
python -m appledger path/to/your-app --list-files
The first hosted check of a folder asks you to confirm. In scripts and scheduled runs, pass --yes. If the code belongs to your employer or a client, make sure you're allowed to upload it, or use local mode.
Claude Code plugin (recommended: adds the guided check-my-app skill):
claude plugin marketplace add contentasoftware/appledger
claude plugin install appledger@appledger
In the Claude Code desktop app, add the marketplace contentasoftware/appledger in the plugin settings instead. Start a new session, then ask: "Is my app safe to share?" or "Add this app to AppLedger".
MCP server only (needs uv):
claude mcp add appledger -- uvx --from appledger appledger-mcp
Command line:
pip install appledger
python -m appledger path/to/your-app
Step-by-step guide with troubleshooting: https://appledger.net/docs/
Version 0.2.0 (upload preview, consent, secret-file exclusion, scheduling) is being released to PyPI; until then pip install appledger gets 0.1.x.
Create a free account at appledger.net to keep every app your people check in one ledger: owner, grade, score trend, who may use it and which AI tool built it. Create a connection key under "Connect a computer", then save it on each computer:
python -m appledger --connect al_your_key
Or tell Claude: "Connect AppLedger with this key: al_…". The key is saved in ~/.appledger/key; APPLEDGER_KEY overrides it and --disconnect removes it.
From then on each check also saves a summary to your dashboard: the app's name, score, grade, problem counts, the list of problems found (level and short title, up to 60; never code or file paths), and the scanners used. Never the code.
Not connected yet? From 0.2.3, a hosted check from a computer without a key ends with a save link, also shown in report.html:
Save this result to a free AppLedger ledger (link works for 24 hours): https://appledger.net/app/claim.php?t=...
Open it, create a free account or log in, and the check is in your ledger; the page then offers a key for that computer. Until the link is used, the service keeps only the check's summary (app name, score, the problems' levels and titles; never code), for up to 24 hours. A link works once; --no-dashboard turns it off.
You can also add an app in the web app with Add app: register it without code, or upload a zip to check it in the browser (the zip is scanned and deleted the same way).
python -m appledger path/to/your-app --schedule weekly --yes # or daily
python -m appledger --schedules # list python -m appledger path/to/your-app --schedule off # stop
Uses Windows Task Scheduler on Windows and cron on macOS and Linux. Hosted scheduled checks need the one-time --yes consent; add --local to schedule local checks instead. --quiet prints one line per check.
winget install AquaSecurity.Trivy (Windows) or brew install trivy (Mac)git clone --depth 1 https://github.com/opengrep/opengrep-rules.git ~/.appledger/opengrep-rulespython -m appledger --doctor| Path | What |
|---|---|
src/appledger/scanner.py | Scanners, plain-language translation, report and fix request |
src/appledger/client.py | Picks the files to send (honouring .gitignore) and sends them to the hosted service |
src/appledger/uploadpolicy.py | The full list of secret files that are never uploaded, used by client and server |
src/appledger/service.py | Server side: unpacks an upload safely and scans it |
src/appledger/server.py | Local MCP server used by the plugin |
plugin/ | Claude Code / Codex plugin with the check-my-app skill |
tests/mcp_smoke.py | Calls every MCP tool like an agent would |
MIT. The Opengrep community rules used by the scanner have their own license (Commons Clause); check it before using them in a paid service.