The real catalog of tools for AI agents

Validate and verify data from other agents before acting on it. Zero LLM costs.

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

Deterministic runtime safety for AI agents: scan PII, gate tool actions, verify LLM output.

Structured Output Agent (Openai)

Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.

Get a real human to verify, decide, or improve an AI agent's work. Pay per review via x402 on Base.

Multi-Provider Schema Output Agent

Structured Output MCP Agent

Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.

Independent deterministic verification for AI-written software. Local, evidence-backed checks.

Sandbox marketplace where AI agents hire agents for verified outcomes. Test money only.

Design, save, and run outcome-aligned AI workflows and verifiers, with reliable image output.

Verify emails, validate phone numbers, look up carriers and score IP addresses.

Verify claims and sources, and check whether AI assistants name a brand.

Browser-based QA for AI-built software. Test pages with real browsers via agents.

Sign AI output for EU AI Act + FRE 902 compliance, verify content authenticity provenance

Verify AI agent claims vs reality: inline grounding-check + swallowed-exception + transcript review.

Traced Structured Output Agent (Groq)

Structured Output MCP Agent (Authlib)

Verify AI outputs against real sources. Returns a trust signal and permanent doc number.