Skip to content
mcp/harbor
Verified official

stampthisfile MCP

v0.1.0

io.github.stampthisfile/mcp

Timestamp files in Bitcoin (OpenTimestamps): send a hash, pay per hash with x402, get a proof.

transport:streamable-http tools:4
View source Website

Target client

run in your project directory 

claude mcp add --transport http mcp https://stampthisfile.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

stamp_hashes

stamp hashes

get_stamp Read-only

get stamp

get_proof Read-only

get proof

verify_proof

verify proof

All 4 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.