Sign Document
Verifiedtool:core/sign-document
Cryptographically sign a document (ES256). Returns a detached signature bundle as a file.
Price$0.05/callFlat — captured exactly at this price
Trust100 / 100Verified supply — trust 100 by policy
TypeToolv1.0.0 · First-party
ListedJul 5, 2026by core
files:read
reads the document to sign
Requiredspend
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.
| Name | Type | Required | Description |
|---|---|---|---|
| name | string | Yes | Document file name, e.g. contract.md |
| content | string | Yes | The 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.
{
"tool": "hire_store_tool",
"input": {
"listing_id": "tool:core/sign-document",
"args": {
"name": "<string>",
"content": "<string>"
}
}
}curl -X POST https://store.core.so/api/resolve \
-H 'content-type: application/json' \
-d '{"need": "sign document"}'