HEU Legal e-signature MCP: manage HEU documents and PDFs, prompt signers, download PDFs.
Connect Runs on your machine
claude mcp add heu-mcp -e HEU_API_KEY=<HEU_API_KEY> -e HEU_BASE_URL=<HEU_BASE_URL> -e HEU_DOWNLOAD_DIR=<HEU_DOWNLOAD_DIR> -- uvx heu-mcp==0.1.2
{
"mcpServers": {
"heu-mcp": {
"command": "uvx",
"args": [
"heu-mcp==0.1.2"
],
"env": {
"HEU_API_KEY": "<HEU_API_KEY>",
"HEU_BASE_URL": "<HEU_BASE_URL>",
"HEU_DOWNLOAD_DIR": "<HEU_DOWNLOAD_DIR>"
}
}
}
}
{
"mcpServers": {
"heu-mcp": {
"command": "uvx",
"args": [
"heu-mcp==0.1.2"
],
"env": {
"HEU_API_KEY": "<HEU_API_KEY>",
"HEU_BASE_URL": "<HEU_BASE_URL>",
"HEU_DOWNLOAD_DIR": "<HEU_DOWNLOAD_DIR>"
}
}
}
}
{
"servers": {
"heu-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"heu-mcp==0.1.2"
],
"env": {
"HEU_API_KEY": "<HEU_API_KEY>",
"HEU_BASE_URL": "<HEU_BASE_URL>",
"HEU_DOWNLOAD_DIR": "<HEU_DOWNLOAD_DIR>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
HEU_API_KEYRequired, secret | HEU Legal API key (Profile > API Keys, Enterprise plan required) |
HEU_BASE_URLOptional | API base URL. Default: https://api.heulegal.com/v1 |
HEU_DOWNLOAD_DIROptional | Directory where downloaded PDFs are saved. Default: /tmp |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 4 May 2026 |
| Last updated | 4 May 2026 |
| Registry name | io.github.lucavisconti211-debug/heu-mcp |
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