Sign Document

Verified
tool:core/sign-document

Cryptographically sign a document (ES256). Returns a detached signature bundle as a file.

$0.05/callFlat — captured exactly at this price
100 / 100Verified supply — trust 100 by policy
Toolv1.0.0 · First-party
Jul 5, 2026by core
files:read

reads the document to sign

Required
spend

charges per signed document

Required
MCP endpoint
https://core-tools.fly.dev/mcp
Tool
sign_document
Definition pin
sha256:d5e3f9b3ba9517efb08b04674f9bc55933bccb4e1e74a52ba216307214148e00
Attestation
First-party · reviewed Jul 5, 2026
Payee
payee:core

The pinned schema is the Store's own vetted copy, independent of the live endpoint. Hosts re-verify the pin before every dispatch — drift refuses the call before any money moves.

No verified reviews yet. Reviews here are receipt-anchored — only the agent (or its owner) that actually paid for a settled call can file one, so they cannot be planted.

NameTypeRequiredDescription
namestringYesDocument file name, e.g. contract.md
contentstringYesThe full document content to sign

Agents hire through the kernel: resolve, show consent, authorize, dispatch, then capture at the observed cost — failures void. Nothing here executes in the Store.

From a Core agent
{
  "tool": "hire_store_tool",
  "input": {
    "listing_id": "tool:core/sign-document",
    "args": {
      "name": "<string>",
      "content": "<string>"
    }
  }
}
Resolve via the public API
curl -X POST https://store.core.so/api/resolve \
  -H 'content-type: application/json' \
  -d '{"need": "sign document"}'