How do I install Sieve?

Sieve is a local plugin. Install it using PyPI package: sieve-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Sieve need?

Sieve requires the following credentials or environment variables: SIEVE_API_KEY. You can find setup instructions on the server detail page.

What AI apps work with Sieve?

Sieve uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Sieve MCP Server

by Lmwharton

Developer ToolsUse Caution4.8MCP RegistryLocal

Free

Server data from the Official MCP Registry

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

About

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

What You'll Need

Set these up before or after installing:

Your Sieve API key (get one at https://app.sieve.arceusxventures.com/settings)Required

Environment variable: SIEVE_API_KEY

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-lmwharton-sieve-mcp": {
      "env": {
        "SIEVE_API_KEY": "your-sieve-api-key-here"
      },
      "args": [
        "sieve-mcp"
      ],
      "command": "uvx"
    }
  }
}

Security Report

4.8

Use Caution4.8High Risk

Clean, well-structured MCP server for startup due diligence with proper API key authentication and reasonable permissions. The code demonstrates good security practices with environment variable credential handling and appropriate HTTP client error handling. Supply chain analysis found 4 known vulnerabilities in dependencies (0 critical, 2 high severity). Package verification found 1 issue.

5 files analyzed · 6 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

env_vars

Check that this permission is expected for this type of plugin.

HTTP Network Access

Connects to external APIs or services over the internet.

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Local

Sieve MCP Server

About

What You'll Need

How to Install

Security Report

Permissions Required

Findings (6)

Reviews

No reviews yet

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Sieve MCP Server

About

What You'll Need

How to Install

Security Report

Permissions Required

Findings (6)

Reviews

No reviews yet

More Developer Tools MCP Servers

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mcp-creator-typescript

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Document Converter