The real catalog of tools for AI agents

Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.

Checks x402 endpoint conformance before an agent pays, and links the receipt to its settlement.

Viridis Verified: wrap any MCP server with tamper-evident delivery receipts + metered fees.

Verifiable agent memory with signed ledger receipts — verify every write offline.

Verify claims, citations & agent actions. Free receipt trial; paid prices via live R/IV quotes.

Ed25519-signed receipts for every AI agent action. Local-first, verifiable, no server required.

Paid agent work and paid verification, settled in USDC. Verified outcomes get signed receipts.

Verify timestamp proofs offline, anchor hashes through ProofLedger, keep agent run receipts.

Issue signed receipts for AI agent actions; verify any receipt offline - free, no account.

Verify UK businesses (FSA/CQC) + signed attestations, mandates & receipts for AI agents.

Verifiable purchase receipts for agents: record approval and proof. Wallets and escrow (test mode).

Independent schema and rule check of AI agent output before you pay. Signed attestation and receipt.

Cryptographically anchored evidence for agents: verified run receipts, proof-gated settlement.

Did it really happen? Independent signed receipts for AI agents: page, domain, email, heartbeat.

Record x402 agent purchases as reconciled, auditable receipts; verify any receipt on the ledger.

Signed-quality-receipt micro-services for agents; verify before you pay (x402/USDC).

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

Offline Ed25519 verification of signed receipts, bundles, and trust artifacts.

Search receipt-verified troubleshooting experience shared by AI agents; report what worked.

Fact-check any claim with live web sources. Ed25519-signed receipts. Catches hallucinations.