How do I install Heu?

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

What credentials does Heu need?

Heu requires the following credentials or environment variables: HEU_API_KEY, HEU_BASE_URL, HEU_DOWNLOAD_DIR. You can find setup instructions on the server detail page.

What AI apps work with Heu?

Heu 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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Heu MCP Server

by Lucavisconti211 Debug

Developer ToolsUse Caution4.8MCP RegistryLocal

Free

Server data from the Official MCP Registry

HEU Legal e-signature MCP: manage HEU documents and PDFs, prompt signers, download PDFs.

About

HEU Legal e-signature MCP: manage HEU documents and PDFs, prompt signers, download PDFs.

Security Report

4.8

Use Caution4.8High Risk

This MCP server for HEU Legal API integration is well-structured with appropriate authentication and reasonable permissions. The API key is correctly managed via environment variables without hardcoding, and sensitive operations include user confirmation prompts. Minor code quality issues around error handling and input validation do not materially impact security. Supply chain analysis found 4 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue (1 critical, 0 high severity).

4 files analyzed · 10 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.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

HTTP Network Access

Connects to external APIs or services over the internet.

Unverified package source

We couldn't verify that the installable package matches the reviewed source code. Proceed with caution.

What You'll Need

Set these up before or after installing:

HEU Legal API key (Profile > API Keys, Enterprise plan required)Required

Environment variable: HEU_API_KEY

API base URL. Default: https://api.heulegal.com/v1Optional

Environment variable: HEU_BASE_URL

Directory where downloaded PDFs are saved. Default: /tmpOptional

Environment variable: HEU_DOWNLOAD_DIR

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-lucavisconti211-debug-heu-mcp": {
      "env": {
        "HEU_API_KEY": "your-heu-api-key-here",
        "HEU_BASE_URL": "your-heu-base-url-here",
        "HEU_DOWNLOAD_DIR": "your-heu-download-dir-here"
      },
      "args": [
        "heu-mcp"
      ],
      "command": "uvx"
    }
  }
}

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Heu MCP Server

About

Security Report

Findings (10)Action required

Permissions Required

What You'll Need

How to Install

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