MCP server

booklint stamp Official

com.booklint/stamp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Signed timestamp receipts for a SHA-256 hash. Send only the hash; we never see the document.

Website

At a glance

Type

MCP server

Publisher

booklint.com (verified by the MCP Registry)

Status

Working at last check

Tools

2

Token cost

About 415 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http stamp https://booklint-stamp.fly.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.stamp]
url = "https://booklint-stamp.fly.dev/mcp"

Gemini CLI

{"mcpServers":{"stamp":{"httpUrl":"https://booklint-stamp.fly.dev/mcp"}}}

Cursor

{"mcpServers":{"stamp":{"url":"https://booklint-stamp.fly.dev/mcp"}}}

VS Code

{"servers":{"stamp":{"type":"http","url":"https://booklint-stamp.fly.dev/mcp"}}}

Antigravity

agy mcp add stamp https://booklint-stamp.fly.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"stamp","server_url":"https://booklint-stamp.fly.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"stamp","server_url":"https://booklint-stamp.fly.dev/mcp"}

Tools

• stamp_hash ~191 tokens
  Returns a signed receipt {sha256, stamped_at, key_id, signature, public_key_url}: a booklint-family service saw this hash at stamped_at, signed with key key_id. Send ONLY a SHA-256 hex digest (64 characters). We never see or store the document — only the hash you send. This is not legal proof, notar
• verify_receipt ~224 tokens
  Checks a receipt from stamp_hash against the published public keys (same check as POST /v1/verify; pass the receipt fields as arguments). Returns valid true or false with a reason. valid true means only that this service signed that hash and time with that key. This is not legal proof, notary servic

Browse

• Legal research

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