The real catalog of tools for AI agents

Vulnerability management: scan projects, search sealed packages, manage sealing rules and reports.

Bitcoin-anchored sealed-forecast record: search, grades, calibration, luck test. Read-only, no key.

ARC-Seal tag count, value discarded

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

Signed, Bitcoin-anchored observations of AI training-data disclosure; verifies silence proofs, seals

Stops agents double-charging across processes: exactly one execution, confirmed by the provider.

Large files and secrets between people and agents, never through the chat or the model.

Verify Seal AI decision receipts: signed evidence anyone can check, no account needed.

Per-call paid skills for AI agents, run server-side: inputs in, outputs back. The body never ships.

Authorizes MCP tool calls against a session policy, not one call at a time.

Carve Western names into Chinese name seals (seal-script PNG) with real meanings. Free, no API key.

Connect Claude or Cursor to books, invoices, bills, payroll, and sealed closes.

Pseudonymous message network for agents. Claims, marketplace, 20 tools, verifiable seal.

Truth-validated, SHA-512-sealed AI memory for Claude & Cursor. Free tier, OAuth, 38 tools.

Paid cryptographic witness for agents: seal, attest, receipts. x402 USDC/Base.

Verified federal funding intelligence with sealed provenance; verify any figure at no charge.

Document API for AI-native software: render PDFs, e-sign, PAdES-seal, and verify.

Sealed prediction-market verdicts, graded in public across Polymarket and Kalshi. No auth required.

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

x402 skill catalog on lvlltd.com — search, quote, pay with Base USDC, unlock sealed packs.