Signforge runs on your own machine — the client starts it, so there is no endpoint to ping. 38 installs a week from npm. Last commit 7 Apr 2026.
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Today is the operative word: we check Signforge every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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 mcp add signforge -e 'SIGNFORGE_API_KEY=<SIGNFORGE_API_KEY>' -- npx -y @signforge/mcp-server
{
"mcpServers": {
"signforge": {
"command": "npx",
"args": [
"-y",
"@signforge/mcp-server"
],
"env": {
"SIGNFORGE_API_KEY": "<SIGNFORGE_API_KEY>"
}
}
}
}
[mcp_servers.signforge]
command = "npx"
args = ["-y", "@signforge/mcp-server"]
env = { SIGNFORGE_API_KEY = "<SIGNFORGE_API_KEY>" }
{
"mcpServers": {
"signforge": {
"command": "npx",
"args": [
"-y",
"@signforge/mcp-server"
],
"env": {
"SIGNFORGE_API_KEY": "<SIGNFORGE_API_KEY>"
}
}
}
}
{
"servers": {
"signforge": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@signforge/mcp-server"
],
"env": {
"SIGNFORGE_API_KEY": "<SIGNFORGE_API_KEY>"
}
}
}
}
Put your own value in place of
<SIGNFORGE_API_KEY> (Your SignForge API key. Get one at https://signforge.io/dashboard/developers).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
SIGNFORGE_API_URL (API base URL. Only change for self-hosted instances).
Send documents for e-signature from AI assistants, track signers, and download sealed, signed PDFs.
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HEU Legal e-signature MCP: manage HEU documents and PDFs, prompt signers, download PDFs.
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Answers built from our own checks of this server.