Receipt — sign an agent's work, verify it offline
Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network.
Install
Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).
https://github.com/ecstatica/ggbank-receipt/releases/download/v1.0.0/ggbank-receipt.mcpbFrequently asked questions
What is Receipt — sign an agent's work, verify it offline?
Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network.
How do I install Receipt — sign an agent's work, verify it offline?
Follow the installation steps in its documentation, shown on this page and in its repository.
Does Receipt — sign an agent's work, verify it offline need an API key?
Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.
Is Receipt — sign an agent's work, verify it offline open source?
Its code is public on GitHub, but the repository does not declare a standard license.
Who maintains Receipt — sign an agent's work, verify it offline?
It is published by ecstatica. AI.tn lists it but does not maintain or endorse it.
From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.