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
Leanfare
Overview
Description from the maker (original English)
Makes your Claude plan last longer: hands reading and drafting to cheaper or free models.
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.
Which app do you use?
Pick your app above. We remember it, so next time the button says “Install in …”.
Download the maker’s .mcpb file
The link goes to the maker’s own file; we do not host or repackage it. Open the file and Claude Desktop installs it.
Run this in your terminal
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.
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 with the GitHub account pouriaetab, 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 Otheri
- More stars than 0% of the other 32680 servers in this category
- Published to the registry more recently than 96% of the other 32680 servers in this category
- Basic checks equal to or better than 100% of the other 32680 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 Leanfare 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 (0.15.3) reached the registry yesterday.
Which apps can use it?
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need MCPB on your computer.
What can I use instead?
In the same category: Spec Driven Development, Remote Desktop Commander, EmbeddedCI BenchPod
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
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
EmbeddedCI BenchPod
by embeddedci-com
Drive a BenchPod hardware-in-the-loop bench: power, flash, UART, I2C, CAN, analog and logic.
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.
Leanfare
Leanfare makes your Claude plan last longer. Claude keeps the hard parts of a task and hands the simple ones, like reading files, searching and drafting, to free or cheaper models. You keep working in Claude as before.
Leanfare is early and changes every week. If something breaks, report a bug; Settings, Report a problem, fills in your version. Questions and ideas go to Discussions.
How it works
- You ask Claude for something, in Claude Desktop, Cowork or Claude Code.
- Claude asks Leanfare for a plan. Leanfare splits the task into parts and picks a model for each: free or cheap models for reading and drafting, Claude's own models for the hard parts.
- Leanfare sends its parts to those models and hands the answers back. Claude does the rest, checks every answer, and answers you.
- Leanfare's report shows what each prompt used and what it saved.
Get started
On macOS or Linux, paste this in Terminal:
curl -fsSL https://raw.githubusercontent.com/pouriaetab/leanfare/main/install.sh | shOn Windows, paste this in PowerShell:
powershell -ExecutionPolicy Bypass -c "irm https://raw.githubusercontent.com/pouriaetab/leanfare/main/install.ps1 | iex"Then type leanfare in the same window. In the page that opens, press Turn on Leanfare, then restart Claude. That's all.
Leanfare needs at least one model to hand work to. It uses the API keys and Ollama models already on your computer, and Settings connects free ones with one press each: ChatGPT (a free account works), Gemini, Groq, OpenRouter, Mistral and Cloudflare.
Other ways in: the Claude Code plugin (/plugin marketplace add pouriaetab/leanfare, then /plugin install leanfare@leanfare), or a one click .mcpb file for Claude Desktop from the latest release.
What you see
The report. Every prompt with its main model, Claude's helpers and the outside models, and what was saved. By prompt or by model, over any days.
Claude's own models. Leanfare picks the Claude model for each helper Claude starts, from llmledger's ratings and prices. As the ratings stand: Fable 5.1 for the hardest parts, Opus 5.5 for high effort, Sonnet 5.5 for medium and Haiku 5.5 for light code. Cowork can ask you to approve each helper, so you choose how many a prompt starts: one per part, one per prompt, or none.
Three settings
- Level, from 1 (Off) to 5 (All it can): how much Claude hands to Leanfare first.
- Helpers: one per part, one per prompt (the default), or none.
- Where work may go: only this computer, or the providers you ticked.
Leanfare picks the rest for you. The guide explains every part.
What's inside
Leanfare is an MCP server with a small web app, both on your computer. Claude connects to it over stdio, like any MCP server. It is TypeScript on Bun, with no runtime dependencies.
| File | What it is |
|---|---|
src/mcp.ts | The MCP server and its tools |
src/cli.ts | The leanfare command |
src/server.ts | The app and its API, at http://127.0.0.1:4747 |
src/planner.ts | Plans: the parts, a model for each, the runs |
src/delegate.ts | Hand offs to outside models, each with a receipt |
src/claudeladder.ts | Claude's own models, in order |
ui/ | The app's screens |
The MCP tools: plan, plan_run, plan_status, plan_stop, delegate, ask, grade, level, report, spend, models, estimate, trial, local_model, live and helper.
To build and run it from source:
git clone https://github.com/pouriaetab/leanfare.gitcd leanfare bun install bun test # against fake providers; nothing leaves your computer bun src/cli.ts # the app bun src/cli.ts mcp # the MCP server, over stdio
Privacy
Leanfare reads usage numbers, never your words, unless you choose in Settings to keep a hand off's words on your computer to read later. Your keys stay on your computer, and requests go from your computer straight to the AI company you use. No telemetry. The guide has the details.
Update, stop or take it out
- Update: run the install line again. Leanfare says when a new version is out.
- Stop: type
leanfare stop. - Off for a while: the switch at the top of the app.
- Take it out of an app: Settings, In your apps, then Remove next to the app.
Data and credits
Prices come from llmledger (MIT), built from LiteLLM's public price list (MIT). Quality ratings come from the Arena leaderboard (CC BY 4.0). The guide lists the rest. Leanfare is not affiliated with any AI provider.
Licence
MIT