The real catalog of tools for AI agents

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

Free C2PA 2.4 triage and reproducible official trust snapshot. No media, keys, or payment.

Verify signed ALEX Evidence Packages. Fails closed on signature or schema errors.

High-performance knowledge graph MCP server for AI coding agents with semantic search.

Verify stock signals, replay evidence, provenance, freshness, and caveats.

Now part of GAIP Witness: tests supplier claims and compares them with published metadata.

Deterministic MCP utilities, validation, evidence verification, and x402 commerce on Base.

Verified location-bound retail evidence for AI agents, delivered by human field workers.

Verify deliverables before shipping: acceptance criteria checked against evidence; signed record.

Hire evidence-verified home-service contractors. Confirmed-job reviews only; rank is never buyable.

Capture a web source, or seal a hash you hold, into a signed receipt anyone can verify offline.

MERCATOR Verify: evidence-backed verification and decision support for autonomous agents.

Verify artifacts, hand off public state, and record, check and find evidence about capabilities.

Read-only verifier for 25 ProofRelay MCP tools and non-confidential evidence bundles.

MUJ428 verifies intent and evidence before consequential AI-agent actions.

Evidence-based commerce completion checks for agents. x402 paid calls and free standard metadata.

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

Verify a source or provider before an AI agent trusts it. Evidence only; unknown stays unknown.

Swiss business verification with per-check source provenance and evidence freshness.

Four tools to check, watch, diagnose and verify AI agents and MCP servers. Free, read-only.