AI startup due diligence — screen companies across 7 dimensions, get a Sieve Score.
AI startup due diligence — screen companies across 7 dimensions, get a Sieve Score. That is what the sieve mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.
Most VCs screen 50+ deals a month. Most of those are obvious passes — but you still spend 2-3 hours per deal on basic diligence before you know that. Sieve does that work in 5 minutes.
The server publishes 4 tools. What each one is for:
sieve_screen — Start a Quick Screen — pass a company name, optional website URL, pitch deck text, or descriptionsieve_status — Poll analysis progress — see which dimensions are complete and current scoressieve_summary — Get the full investment memo — Sieve Score, recommendation, strengths, concerns, evidencesieve_usage — Check how many screens you've used this billing periodInstallation goes through your MCP client rather than a global install: point it at sieve-mcp on PyPI and it is fetched when the client starts. The copy-paste blocks for Claude Desktop, Claude Code and Cursor are further down this page.
Configuration is passed through the environment: SIEVE_API_KEY, SIEVE_API_URL. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
Plenty of payments and commerce servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Sieve's toolset — sieve_screen, sieve_status, sieve_summary and 1 more — is a fair guide to whether it matches your workflow. It is maintained by lmwharton; worth a glance at recent repository activity before you build anything load-bearing on it.
SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.
| Tool | What it does |
|---|---|
| sieve_screen | Start a Quick Screen — pass a company name, optional website URL, pitch deck text, or description |
| sieve_status | Poll analysis progress — see which dimensions are complete and current scores |
| sieve_summary | Get the full investment memo — Sieve Score, recommendation, strengths, concerns, evidence |
| sieve_usage | Check how many screens you've used this billing period |
{
"mcpServers": {
"sieve": {
"command": "uvx",
"args": ["sieve-mcp"],
"env": {
"SIEVE_API_KEY": "your-api-key"
}
}
}
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| SIEVE_API_KEY | Credential the server authenticates with. | Yes |
| SIEVE_API_URL | Endpoint or connection string the server talks to. | Yes |
Payments infrastructure meets AI — customers, invoices, subscriptions and current API docs from Stripe's server.
Build for Shopify with current APIs — the official Dev MCP server for schema-accurate storefront and admin code.
Give your AI assistant a supervised window into your Interactive Brokers account — balances, positions, live quotes and orders.
Invoices, payments and disputes through PayPal's official server — commerce operations by conversation.
Enables querying and listing Azure resources and costs directly from an MCP client.
Empowers LLMs with Bitcoin Lightning Network payment capabilities via the ZBD API.