Orphograph
Anchor a file's SHA-256 fingerprint to Bitcoin. The file never leaves the device.
Install
MCPB bundlesstdio
https://github.com/Orphograph/Orphograph/releases/download/mcp-v0.1.1/orphograph-mcp-0.1.1.mcpb Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-orphograph-orphograph": {
"command": "https://github.com/Orphograph/Orphograph/releases/download/mcp-v0.1.1/orphograph-mcp-0.1.1.mcpb",
"args": []
}
}
}Source: official MCP Registry record · registry name io.github.Orphograph/orphograph · published 2026-08-12 · updated 2026-08-12. Not an endorsement; review the code before connecting it to anything sensitive.