Sieve MCP Server

by lmwharton Your server? Claim it

local only

Sieve MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 77 installs a week from pypi. Last commit 10 Mar 2026.

AI startup due diligence — screen companies across 7 dimensions, get a Sieve Score.

Installs per day peak 54 · avg 13 · -46% w/w

a month agotoday

Installs / week

pypi · sieve-mcp

Stars

0 open issues

10 Mar 2026

Last commit

0 releases in 90 days

MIT

License

Python

Nothing serious here today

Today is the operative word: we check Sieve MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add sieve-mcp -- uvx sieve-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "sieve-mcp": {
      "args": [
        "sieve-mcp"
      ],
      "command": "uvx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.sieve-mcp]
command = "uvx"
args = ["sieve-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "sieve-mcp": {
      "args": [
        "sieve-mcp"
      ],
      "command": "uvx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "sieve-mcp": {
      "args": [
        "sieve-mcp"
      ],
      "command": "uvx"
    }
  }
}

This one needs environment variables set before it will start: SIEVE_API_KEY (Your Sieve API key (get one at https://app.sieve.arceusxventures.com/settings)). The author declared them in the registry entry; get the values from the project itself.

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Sieve MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Sieve MCP?

Sieve MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package sieve-mcp was installed 77 times last week.

How do I connect Sieve MCP?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls sieve-mcp straight from pypi; nothing to host, nothing to sign up for.

How many people use Sieve MCP?

The pypi package sieve-mcp was installed 77 times in the last week. Week over week that is -46%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Sieve MCP open source?

Yes — it is published under the MIT licence, written in Python and 5 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.