The real catalog of tools for AI agents

Free, no-account verification of KeyHalve-sealed documents. Read-only; never receives keys.

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

Original factory window stickers (Monroney labels) by VIN for 20 makes, plus an NHTSA spec decode.

Free e-signature for humans and AI agents — zero-document PDF signing from hashes only.

Search or monitor any self-hosted Cachet status page — not tied to one vendor.

Document forensics: tamper/AI checks, fields, tables, identity, screening, tenders, citations.

Send real paper mail in France from your agent: letters, tracked and registered letters with AR.

Prepare and send documents for electronic signature with SELISE Signature.

Inspect editable image source clues. No C2PA signature verification or authenticated origin.

Lodestar issues signed, dated business records. Reads are free.

MCP server for GroupDocs.Signature — sign, search and verify document signatures via AI agents.

Official TheRundown API documentation search. No live data or authenticated Product API calls.

RFC 3339 UTC stamp

Privacy-first document verification anchored to the public ledger.

USDC x402 verify/match/PDF/DNS-TLS; authenticated Serper web search, extraction and monitoring.

Send AI-created PDFs for signature, track signers, and return verifiable document evidence.

Find Korean stamp tours (free GPS stamp travel events with gifts) by region, place or location.

ARC-Seal tag count, value discarded

Read-only search and page retrieval from the public Atisbo documentation corpus. No authentication.

E-signatures for agents: mint a sandbox key, send PDFs, track status, download the sealed result.