Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Generate synthetic companies, documents & data via the Clutter API (e.g. to fill SharePoint).
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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.
CLUTTER_API_KEY, CLUTTER_API_URLValues marked secret are keys to your account. Never share them or paste them into a chat.
You need
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Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json
{
"mcpServers": {
"clutter": {
"command": "npx",
"args": [
"-y",
"clutter-mcp"
],
"env": {
"CLUTTER_API_KEY": "your-value",
"CLUTTER_API_URL": "your-value"
}
}
}
}Run this in your terminal
claude mcp add clutter --env CLUTTER_API_KEY=your-value --env CLUTTER_API_URL=your-value -- npx -y clutter-mcpFill in the empty values before running it.
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"clutter": {
"command": "npx",
"args": [
"-y",
"clutter-mcp"
],
"env": {
"CLUTTER_API_KEY": "your-value",
"CLUTTER_API_URL": "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": {
"clutter": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"clutter-mcp"
],
"env": {
"CLUTTER_API_KEY": "your-value",
"CLUTTER_API_URL": "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.
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CLUTTER_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 7, 2026
The registry name was verified with the GitHub account michaelhologram, which owns the repo
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: CLUTTER_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 (0.1.4) reached the registry 4 months ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.
In the same category: Spec Driven Development, Remote Desktop Commander, Agent Data Tools: Utilities
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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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A Model Context Protocol stdio server that lets an AI agent drive the whole Clutter pipeline — invent a believable synthetic company, mass-produce the documents, spreadsheets, emails, images and datasets it would really have, poll for completion, and fetch download URLs — through Clutter's public REST API, authenticated with an API key.
Use it to fill dev/test/demo systems (SharePoint, CRMs, file shares) with realistic content — synthetic documents and synthetic data that stand in for the real thing. Generate test data, demo data and training data, or test documents and training documents, on demand — or give an AI agent believable data to reason over, all without touching real or sensitive data.
It's a thin HTTPS client with no dependency on the rest of the Clutter codebase.
clt_live_…, shown once).{
"mcpServers": { "clutter": { "command": "npx", "args": ["-y", "clutter-mcp"], "env": { "CLUTTER_API_KEY": "clt_live_…" } } } }
That's it — CLUTTER_API_URL defaults to https://clutter.run/api, so only the key is required.
| Env var | Required | Default | Notes |
|---|---|---|---|
CLUTTER_API_KEY | yes | — | clt_live_… key (web app → Settings) |
CLUTTER_API_URL | no | https://clutter.run/api | Override only to target another deployment |
CLUTTER_API_KEY=clt_live_… npx -y clutter-mcp
build_org — describe a company in a sentence → returns an orgId (omit projectId to auto-create a project). Free.wait_for_org — block until the company build is ready.create_run — generate content against the company:doc_generator → a batch of documents (docx/pdf/xlsx/eml/jpg), folder-organised.data_generator → one tabular dataset (xlsx/csv/json) with an exact row count.doc_metadata_gen → one metadata record per document of a prior doc run.wait_for_run — block until the run is complete.list_run_documents + get_document_url, or build_zip + get_zip_url for the whole run as a single ZIP (folder tree preserved — ready to drop into SharePoint or a file share).clutter_whoami, get_usagelist_projects, create_project, delete_projectlist_orgs, build_org, get_org, wait_for_org, query_org, delete_orglist_runs, create_run, get_run, wait_for_run, list_run_documents, get_document_url, build_zip, get_zip_url, delete_runbuild_org and create_run are asynchronous (return an id immediately); use the wait_for_* tools to block until a terminal state, or poll get_org / get_run. Each tool maps to a REST endpoint and returns the raw JSON response.
Company builds, metadata and "ask the company" are free. New accounts get 10 free documents + 100 free data rows, then pay-as-you-go (all prices USD: $0.10/document, $0.06/10 data rows). A 402 from create_run means insufficient credit — top up at https://clutter.run/billing.
Clutter hands you download URLs; your agent does the upload (via Microsoft Graph). Beyond a plain "drop files into a library", the generated metadata can drive automation — apply sensitivity labels, set permissions, assign retention, route flat files to the right site/library by metadata, or even generate the information architecture itself. Worked patterns with Graph calls: https://clutter.run/sharepoint-cookbook.md
Full REST API: https://clutter.run/api/docs (Swagger UI) · machine-readable guide: https://clutter.run/llms.txt
MIT