Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Grounded, safety-checked appliance operation packages for robots and agents. Zero-config trial.
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.
OPERANDI_API_URL, OPERANDI_API_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": {
"operandi": {
"command": "uvx",
"args": [
"operandi-mcp"
],
"env": {
"OPERANDI_API_URL": "your-value",
"OPERANDI_API_KEY": "your-value"
}
}
}
}Run this in your terminal
claude mcp add operandi --env OPERANDI_API_URL=your-value --env OPERANDI_API_KEY=your-value -- uvx operandi-mcpFill in the empty values before running it.
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"operandi": {
"command": "uvx",
"args": [
"operandi-mcp"
],
"env": {
"OPERANDI_API_URL": "your-value",
"OPERANDI_API_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": {
"operandi": {
"type": "stdio",
"command": "uvx",
"args": [
"operandi-mcp"
],
"env": {
"OPERANDI_API_URL": "your-value",
"OPERANDI_API_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.
OPERANDI_API_URL 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 operandi.cc (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: OPERANDI_API_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 (1.0.3) reached the registry 4 months 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, topo^alpin
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
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.
mcp-name: cc.operandi/operandi
operandi_mcp_server.py exposes OPERANDI over the Model Context Protocol so any MCP-capable agent host (Claude Desktop, Claude Code, or your own agent runtime) can identify an appliance and pull its grounded, safety-checked, robot-executable operation package as native tools.
This is the "build for agents" surface: the customer is a robot's planner / an LLM agent, not a human reading PDFs.
| Tool | What it does |
|---|---|
identify_appliance | Resolve observed nameplate text / panel labels / model → a catalog object (call first). |
get_operation_package | The robot-executable package: model-exact procedures, control map + grounding, per-step verification signals, recovery state machine, safety envelope. |
list_appliances | Browse operable appliances (optionally by category). |
find_by_capability | Find appliances by function (heat / wash / brew / defrost …). |
A general model, cold, gives confidently-wrong physical instructions on ordinary appliances a large fraction of the time (OPERANDI Stage A: 24% of cold instructions were would-fail, including invented buttons and cycles). Grounded in the package these tools return, that fell to 0 hallucinations, 96% exact. The tools turn "guess the buttons" into "read the manufacturer's ground truth". See ../docs/BUSINESS_MODEL.md.
pip install operandi-mcp
That's it. No key needed for your first packages: on first use the server mints an instant trial key itself (POST /v1/trial — no signup, 2 operation packages included, cached at ~/.operandi/mcp_key). When the trial is spent, tool responses tell the agent exactly how to sign up free (10 packages/month) or go Pro.
Have a key already? Set it and it wins over the trial:
export OPERANDI_API_KEY=ok_live_...
{
"mcpServers": { "operandi": { "command": "operandi-mcp" } } }
(Optionally add "env": {"OPERANDI_API_KEY": "ok_live_..."} once you have an account key.)
Then ask the agent: *"Identify the Samsung ME20H705MSS and give me the safe procedure to defrost 0.5 kg of mince."* — it will call identify_appliance then get_operation_package and answer from grounded data.
OPERANDI_API_URL.Authorization: Bearer ; a missing/invalid key surfaces as a tool error, not a crash.pytest tests/test_mcp_server.py.