The real catalog of tools for AI agents

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

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

Now part of GAIP Witness: verifies GAIP receipts; evidence packs and incident bundles.

Witness: agreed terms, delivery checks, signed receipts, dispute bundles and evidence packs.

No longer listed separately (still callable): public provenance evidence for art collections.

Now part of GAIP developer checks: diagnoses failed agent or API calls (gaip_diagnose).

Now part of GAIP Witness: records a task outcome and caller-supplied costs.

Now part of GAIP developer checks: compares supplier snapshots and watches for change.

Choose the safest next action after an API, MCP, or agent failure before retrying.

Now part of GAIP Witness: records a buyer's request and checks what was delivered.

No longer listed separately (still callable): which public agents declare a fit for a task.

Developer checks and Agent Observatory: A2A, MCP and OpenAPI checks with a dated change log.

Listing Observer preview: a shop product page as clean data, with source checks and price history.

Evidence about ERC-8004 agents on BNB Smart Chain, gathered by calling them. No key.

Call before you post: ships a draft to Threads/Bluesky/Mastodon only after a person approved it.

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

Browser-backed QA with evidence and fix-ready reports for coding agents.

An MCP connector for Adobe After Effects. Real, editable layers and keyframes, not scripts.

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

Search Dutch sites in the Backlinkswinkel catalogue, order backlinks after confirmation, track them.