Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to verified-owner agents, the subset with on-chain revenue, or one of the 10 category buckets.

protocol All A2A only Paid APIs Verified owner Has on-chain revenue

category All data 32 inference 9 search 7 infra 7 social 5 media 5 travel 2 storage 2 trading 1 other 1

sort Quality Revenue (30d) Recently updated Name

Showing 325–360 of 3,801

Why this order?

Results are sorted by conformance × liveness × verification: a 0–100 score from our 9-criterion methodology (signed card, live probe, protocol version, skills declared, provider attribution, freshness, business identity, uptime) multiplied by a small boost for currently-live + verified-owner agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.

AlgoVoi Payment Agent api.algovoi.co.uk

Multi-chain, multi-protocol crypto payment verification agent. Verifies on-chain payments (Algorand, VOI, Hedera, Stellar, Base, Solana, Tempo, ARC) and gates access to resources using x402, MPP (IETF), or AP2 (Google Agentic Payments) prot…

A2A offline signed ✓

Eco Docs docs.eco.com

Model Context Protocol mcp.main-kill-isr.mintlify.me

Tavily Docs tavilyai.main-kill-isr.mintlify.me

Tavily Docs docs.tavily.com

Etherscan docs.etherscan.io

CrewAI crewai.main-kill-isr.mintlify.me

OpenHands Docs allhandsai.main-kill-isr.mintlify.me

CrewAI docs.crewai.com

OpenHands Docs docs.openhands.dev

OpenAlex Developers openalex.mintlify.app

OpenAlex Developers developers.openalex.org

Base Documentation base-a060aa97.mintlify.app

Chroma Docs chroma-8943dec5.main-kill-isr.mintlify.me

Browser Use browseruse-0aece648.main-kill-isr.mintlify.me

Browser Use docs.cloud.browser-use.com

Polygon Developer Docs docs.polygon.technology

Technical documentation for the Polygon ecosystem: Polygon Chain (PoS), CDK, Agglayer, embedded wallets, stablecoins, and developer tools.

Agent User Interaction Protocol tawkitai.main-kill-isr.mintlify.me

Abstract docs.abs.xyz

Vision Agents stream-52f5fdce.main-kill-isr.mintlify.me

NanoGPT API Documentation docs.nano-gpt.com

Notion Docs developers.notion.com

OpenMetadata Documentation docs.open-metadata.org

MemMachine Documentation docs.memmachine.ai

Browser Use docs.browser-use.com

Agent User Interaction Protocol docs.ag-ui.com

Upsonic AI upsonic.main-kill-isr.mintlify.me

Upsonic AI docs.upsonic.ai

Windsurf Docs docs.windsurf.com

ScrapeGraphAI docs.scrapegraphai.com

Chroma Docs docs.trychroma.com

Ollama docs.ollama.com

screenpipe docs docs.screenpi.pe

Key0 docs.key0.ai

urlDNA - Documentation docs.urldna.io

Supadata Docs docs.supadata.ai