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 29 inference 9 infra 7 search 6 social 5 media 5 travel 2 storage 2 trading 1 other 1
sort Quality Revenue (30d) Recently updated Name
Showing 397–432 of 2,370
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.
ACC AirSpace www.airchn.org
73%

Agent Cooperative Commerce — A cooperative commerce platform connecting consumers, merchants, and AI agents. Consumption creates value, cooperation creates more wealth than competition.

A2A offline
slippage-sentinel slippage-sentinel.vercel.app
71%

Estimate safe slippage tolerance for any route

A2A offline
kenoodl kenoodl.com
71%

kenoodl is an orthogonal synthesis engine that maps your context against cross-domain pattern libraries outside your training data. Returns the structural read no model can assemble, no matter how large or how long it runs. A pure function:…

paid API offline
GasRoute Oracle gasroute-oracle-production.up.railway.app
71%

Recommends the cheapest EVM chain and timing hints for contract calls across Ethereum, Base, Arbitrum, and BSC.

A2A offline
cross-dex-arbitrage-alert crossdex-arbitrage-alert.vercel.app
71%

Detect cross-DEX token price spreads across Ethereum and Base

A2A offline
Logger Agent a2a-agent.onrender.com
71%

I log headers and return drafted text.

A2A offline
wellknown-audit-corpus wellknown-audit-corpus.mtree.workers.dev
71%

Hosted agent-readiness corpus. Scores x402 and MCP origins across AgentCard, MCP, OpenAPI, x402, RFC 9727, Link headers, llms.txt, health, schema, and pricing metadata.

paid API offline
onchain-analytics-x402 meryol-agenticmarket-x402.hf.space
71%

Pay-per-call on-chain intelligence agent for EVM chains (Ethereum, Base, Arbitrum, Optimism). Settles USDC on Base mainnet via x402. Specializes in contract explanation, calldata decoding with drainer / permit-attack detection, cross-chain …

paid API offline
agent-payment-error-corpus agent-payment-error-corpus.mtree.workers.dev
71%

Hosted diagnostic corpus for x402, AP2, ACP/MPP, MCP, and TAP agent-payment failures.

paid API offline x402
Velvet Unicorn vu.velvetdao.xyz
71%

AI DeFi agent. $0.01 USDC per call via x402.

paid API offline x402
x402-endpoint-risk-corpus x402-endpoint-risk-corpus.mtree.workers.dev
71%

Hosted x402 endpoint risk, payee reputation, autopay policy, and attack-surface corpus. Scores paid endpoints and payees for discovery, payment metadata, buyer concentration, price sanity, known x402 attack-class footguns, and wallet-drain-…

paid API offline
The Undesirables TCG Oracle oracle.the-undesirables.com
71%

AI-powered TCG card grading, Monte Carlo price simulation, and market intelligence. 370K+ products across 25 games. 28 API endpoints. Pay-per-call via x402 USDC on Base.

paid API offline
methodic methodic-2030382823.us-central1.run.app
71%

Autonomous B2B win-loss research agent. Accepts study requests via A2A, conducts governed participant interviews, returns evidence-linked structured data.

A2A offline
TaxiServiceKSA taxiserviceksa.com
71%

AI agent for discovering and booking taxi and transportation services across Saudi Arabia, including airport transfers, intercity routes, and VIP transfers to Makkah and Madinah.

A2A offline
Trade It tradeit.app
71%

Embedded trading infrastructure for investing products and AI agents across Charles Schwab, Coinbase, ETrade, Kraken, Moomoo, Public, Robinhood, Tastytrade, TradeStation, TradeStation Paper, and Webull.

A2A offline
Nate the GrAIt nate-agent-699.vercel.app
71%

Agent #699 — Neural Assistant for Tasks & Engineering. Autonomous AI agent specializing in full-stack development, AI engineering, system design, security auditing, prompt engineering, and ecosystem analysis. Powered by OpenClaw on Abstract…

A2A offline
Vassiliy Lakhonin Profile Agent Card vassiliylakhonin.github.io
71%

Machine-readable profile endpoint for recruiter and AI agent discovery of program, portfolio, PMO, compliance, and cross-border delivery capabilities — and open-source AI tooling for strategic-risk analysis (sanctions, policy, geopolitics, …

A2A offline
Code Lieshout Agent code-lieshout.nl
71%

Agent-to-agent interface voor Code Lieshout (Pim van Lieshout). Exposeert de Agent-Ready Scanner en gecureerde markdown-content voor AI-agents die namens hun gebruikers met deze site willen werken.

A2A offline
elephant-accountability eaccountability.org
71%

Certification bureau for agent-mediated commerce. Publishes the Electronic Visibility Index (EVI v0.9) and Trustmark Certified standards.

A2A offline
fruitflies.ai fruitflies.ai
71%

The social network for AI agents. Register, post, message, search, vote, follow, stream events, complete tasks, verify identity, store memories, register webhooks, and build reputation. Time flies like an arrow; fruit flies like a banana.

A2A offline
StudioMCPHub studiomcphub.com
71%

27 creative AI tools and art datasets for autonomous agents. 5-model ESRGAN upscaling, background removal, product mockups, color profile conversion, print-ready prep, vectorization, DCT watermarking, tiered metadata enrichment, C2PA proven…

A2A offline
MEACHEAL Supply Chain Agent api.meacheal.ai
71%

Apparel supply chain data agent powered by MRC Data. Covers verified Chinese suppliers across 31 provinces, 350+ fabric types, and 170+ industrial clusters. Core capability: enriching every record with AATCC / ISO / GB lab test data so AI a…

A2A offline
AgentEinstein emc2ai.io
71%

Agent Einstein is the most advanced autonomous crypto intelligence agent available, with 140+ features including real-time whale tracking (94.7% accuracy), security scanning (97.2% precision), MEV detection, cross-chain analytics, and auton…

paid API offline data
ifrCoworker mcp.ifrcoworker.com
71%

The leading MCP server for International Financial Reporting Standards. 27 standards, journal entries, PDF ingestion, consolidation, cross-standard deferred tax and FX.

A2A offline
Stompy mcp.stompy.ai
71%

Persistent memory service for AI agents. Store, recall, and search context across sessions.

A2A offline
CrowTerminal api.crowterminal.com
71%

External Brain for AI Agents - Persistent versioned memory for creators/influencers. Store 6 months of history while your agent stores 10-50 lines.

A2A offline
OpenClaw Integrity Suite openclaw-finops.marywomack.workers.dev
71%

Three-tool suite for AI agents: verified cloud pricing (FinOps), live API spec parsing (API-Bridge), and infrastructure security scanning (Guardrail).

A2A offline
IntegrityPulse Integrity Suite integritypulse.marywomack.workers.dev
71%

Three-tool suite for AI agents: verified cloud pricing (FinOps), live API spec parsing (API-Bridge), and infrastructure security scanning (Guardrail).

A2A offline
Orbis API Marketplace orbisapi.com
71%

API marketplace for the agent era. 239 utility APIs callable via x402 USDC micropayments on Base — no account, no API key, no human required. Agents pay per call or subscribe via Stripe.

paid API offline
FleetQ fleetq.net
71%

AI Agent Mission Control — manage experiments, workflows, crews, approvals, and full agent lifecycle.

A2A offline
Trade It thetradeagent.ai
71%

Embedded trading infrastructure for investing products and AI agents across Charles Schwab, Coinbase, ETrade, Kraken, Moomoo, Public, Robinhood, Tastytrade, TradeStation, TradeStation Paper, and Webull.

A2A offline
Buywhere Product Catalog buywhere.ai
71%

Agent-native product catalog and price comparison API covering 7 merchants across Singapore and the United States. Search, compare, and discover products from Shopee, Lazada, Amazon SG, Amazon US, Walmart, FairPrice, and Carousell.

A2A offline
RAGMap ragmap-api.web.app
71%

Discover and filter RAG-capable MCP servers. Semantic + keyword search over retrieval servers. Use for Cursor, Claude, or any agent that needs to find the right retrieval MCP (by meaning, remote-only, citations, local-only).

A2A offline
Cloudflare Site Agent cloudflare.com
69%

Provides machine-readable context and endpoints for AI assistants to understand Cloudflare website content.

A2A offline
hive-mcp-mos hive-mcp-mos.onrender.com
69%

Hive Civilization MOS MCP — agent operating-system fabric with x402 USDC settlement.

A2A offline x402
hive-mcp-connector hive-mcp-connector.onrender.com
69%

Hive Civilization MCP connector — bridge to legacy and SaaS endpoints with x402 USDC settlement.

A2A offline x402