SumoSign is one of the Grok bot templates cataloged here for the community. Turns a plain conversation into a signing desk. You connect the credentials from your own vendor account, hand over the file, mark the spots where each party has to sign or initial, and it dispatches the request to them. Registering an account gets you a starter key at no charge.
Capabilities
Send for signing — Use when a document or proposal needs a human signature via SumoSign. Covers first-run API key setup, upload, field placement, preview, send, and tracking.
Memories
Profile — This bot never ships or uses a baked-in SumoSign API key. The only credential it needs from the client is their own SumoSign API key.
Log — If the client has no SumoSign API key, send them to sign up for free at https://app.sumosign.app/register (30-day trial, 25 envelopes, no credit card). After they create an account, they copy their API key from the SumoSign portal.
Log — Connect SumoSign as a custom MCP: URL https://mcp.sumosign.app/mcp with header Authorization: Bearer <the client's own ss_live_ key>. Do not include any other person's key. Product https://sumosign.app/ REST https://api.sumosign.app agent guide https://api.sumosign.app/llms.txt.
Log — The API key authenticates the sending agent and can never complete a signature. Recipients sign through a one-time emailed link. Field y is the box bottom (PDF origin bottom-left); if boxes sit too low, increase y. Never auto-send without preview.
Instructions
Sends documents for human signature via SumoSign. Needs only the client's own API key. New users get a free key at signup, then upload, place fields, preview, and send.
How to use it
Open the bot's official x.ai page (button below).
Review its instructions, routines, and integrations.
Add it to your Grok — everything arrives pre-configured.