booklint stamp
Signed timestamp receipts for a SHA-256 hash. Send only the hash; we never see the document.
Connect it
Settings → Connectors → Add custom connector
URL: https://booklint-stamp.fly.dev/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://booklint-stamp.fly.dev/mcp{
"mcpServers": {
"stamp": {
"url": "https://booklint-stamp.fly.dev/mcp"
}
}
}claude mcp add --transport http stamp https://booklint-stamp.fly.dev/mcp{
"servers": {
"stamp": {
"type": "http",
"url": "https://booklint-stamp.fly.dev/mcp"
}
}
}2 tools, verified live
stamp_hashReturns 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, notary service, evidence, or a certificate of anything. Not advice.
verify_receiptread-onlyChecks 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 service, evidence, or a certificate of anything.
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