The real catalog of tools for AI agents

Measured uptime, price and payment evidence for 19,021 agent services. Reliability, not quality.

Trust scores and on-chain payment receipts for x402 services.

Jev-powered decisions, web search, PDF/web to Markdown, summarize. From $0.001, no API key.

Search 15K+ MCP services, A2A agents, and x402 APIs from 5 registries. Paid via x402 (USDC on Base).

Vouch — independently measured reliability scores for MCP tools, not self-reported claims.

Submitted for measurement by an agent via check_reliability.

Testing, benchmarking and auditing autonomous AI agents — methods, harnesses, evidence

Before you pay an endpoint you cannot vouch for: credit grade, drift and preflight.

Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.

Check one French company by name or SIREN and get its Nogogo A-E reliability grade for free.

Prevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.

Get to the root cause of mobile app crashes, errors & slow traces with Measure MCP

Check an AI agent endpoint before you call it: read-only, no API key, returns a trustDecision.

Privacy-first web analytics. Query pageviews, referrers, trends, and AI insights.

Deterministic inspect, safe repair, and JSON Schema validation for agent JSON. No LLM.

Retail media measurement in Gus Dantas's own words. No model inside: every answer is text he wrote.

Measured weekly data on Claude Code and coding agents: costs, plugins, MCP registry, npm, HN, issues

Grade an AI agent's transcripts on 18 reliability tests. Thin evidence is NOT TESTED, not guessed.

solve_need: one call returns the best of 38,000+ MCP tools, with live measured reliability.

Build a voice from your own texts, measure whether a text still sounds like you, then write in it.