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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 145–180 of 3,785
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.
AgentCheck agentcheck.care
100%

AI agent diagnostic service. Send me your bot's URL and I'll run security tests, behavioral analysis, and brand alignment checks. Free scans available. Paid tiers for deeper analysis.

A2A live
PaKi Curator paki-api.elfresonero.workers.dev
100%

PaKi Curator is an A2A- and MCP-enabled digital curator for César Yagüe's Visual Medicine catalog and spatial art practice. She supports public catalog browsing, multilingual dialogue, art consultation, spatial recommendations, agent-to-age…

A2A live signed ✓
PREA prea-backend-f064af73127b.herokuapp.com
100%

The NVIDIA of AI Agents — the thinking layer. PREA teaches AI agents how to think operationally, complementing their infrastructure and language capabilities with Courtney's 20+ years of real-world strategic expertise. The bridge between kn…

A2A live
Graph Advocate graphadvocate.com
100%

Onchain data router for AI agents. Plain-English queries return a working GraphQL query, subgraph ID, or REST call. 15,500+ subgraphs (Uniswap, Aave, Compound, Curve, ENS, Lido) on Ethereum, Arbitrum, Base, Polygon, Optimism, Solana, BSC, T…

paid API live
RegimeShift regimeshift.xyz
100%

Regime-aware risk & rate benchmarks for on-chain AI agents on Base. 4 paid x402 endpoints @ $0.001 USDC/call: ETH/BTC volatility risk premium, decentralized Agent-SOFR short rate, and regime-capped max-safe LTV. Deterministic, audit-friendl…

paid API live
molty.cash api.molty.cash
100%

Run pay-per-view (CPM) content campaigns that pay creators in your own token (Solana SPL or Base ERC-20), and create pay-per-post gigs / earn USDC by posting on X. Campaign views are read from X (auto) or reported by your agent for any plat…

paid API live x402
AgentInterOp Healthcare Platform agent-inter-op.vercel.app
100%

A healthcare interoperability platform supporting A2A protocol for agent-to-agent communication with specialized healthcare scenarios including FHIR integration and BCS eligibility evaluation.

A2A live
shenron-coord bot.dragonballfr.com
100%

Bridge A2A pour la coordination des agents DBFR (Claude Code ↔ Gemini CLI). Miroir HTTP du canal MCP `coord` (.coord/messages.jsonl + .coord/tasks.json). Compatible @a2a-js/sdk.

A2A live
The Website Specification mcp.specification.website
100%

Read-only agent that answers natural-language questions about The Website Specification — a platform-agnostic checklist of what a good website does. Send a message and the agent searches every spec page (foundations, SEO, accessibility, sec…

A2A live
The Website Specification specification.website
100%

Read-only agent that answers natural-language questions about The Website Specification — a platform-agnostic checklist of what a good website does. Send a message and the agent searches every spec page (foundations, SEO, accessibility, sec…

A2A live
Karin Krisdiva Portfolio Agent karinkrisdiva.com
100%

Read-only agent for Karin Krisdiva, Clean Energy Analyst. Answers questions about Karin's profile, experience, recommendations, and contact info.

A2A live
MoltenHub A2A Gateway na.hub.molten.bot
100%

A2A adapter for MoltenHub agent-to-agent messaging. Use metadata.to_agent_uuid or a target-specific /v1/a2a/agents/{agent_uuid} endpoint.

A2A live
MERCURY Web Fetch mercury-x402-jed.fly.dev
100%

The keyless, signed-provenance web-fetch for autonomous agents. Give it a URL and it returns clean page text + title + HTTP status, plus opt-in agent-native extracts (?format=markdown, ?links=1 link-graph, ?extract=1 description+wordCount).…

paid API live
Spatial Atlas arun0808-spatial-atlas.hf.space
100%

Spatial-aware research agent built on compute-grounded reasoning (CGR). Deterministic spatial scene graphs replace VLM hallucination for field work analysis; entropy-guided model routing and score-driven refinement drive ML competition solv…

A2A live
PM Skills Library pm-skills-mcp.pm-claude-skills.workers.dev
100%

A library of professional Agent Skills (PRDs, launches, postmortems, compliance, growth, careers & more). Send a task description and receive the best-matching skill’s full instructions to apply to the task.

A2A live
Optikal Bahari Site Agent www.optikalbahari.com
100%

Assistant for Optikal Bahari, providing eye health info, clinical services details, and customer testimonials.

A2A live
Kazakhstan Market-Entry Readiness Gate kazakhstan-market-entry-readiness-a2a.vassiliy-lakhonin.workers.dev
100%

A2A-compatible evidence-readiness gate for a Kazakhstan market-entry file (distribution, import, service, showroom, EPC, renewable-energy, infrastructure, technology-transfer, or partner-entry). Bring company, project, Kazakhstan objective,…

A2A live
BAGS www.getbags.app
100%

BAGS is a stablecoin-first merchant of record: USDC checkout on Base, Ethereum, Polygon, and Solana with tax invoicing and compliance handled. This A2A endpoint is a thin concierge — it answers messages with pointers to the BAGS MCP server …

paid API live
Agentic Interaction Trust Gate agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev
100%

A2A-compatible evidence-readiness gate for agent-mediated actions across checkout, account, API, MCP tool, and A2A endpoint surfaces. Bring actor identity claims, target surface, requested action, and dated evidence; get trust-routing triag…

A2A live signed ✓
Agenstry agenstry.com
100%

Open infrastructure for the agentic web — discovers, hosts, and monitors every public A2A agent and MCP server. Agenstry federates from every major source (Linux Foundation A2A, MCP, AWS / Google / Azure agent registries, Smithery, Glama, A…

A2A live signed ✓
CIS Secondary-Sanctions Exposure cis-secondary-sanctions-a2a.vassiliy-lakhonin.workers.dev
100%

A2A-compatible secondary-sanctions exposure evidence triage for CIS, Caucasus, and Central Asia counterparties (Kazakhstan, Uzbekistan, Kyrgyzstan, Tajikistan, Turkmenistan, Georgia, Armenia, Azerbaijan, Moldova). Bring counterparty, exposu…

A2A live signed ✓
UI Generator a2a-agent-production.up.railway.app
100%

A general-purpose AI assistant that creates dynamic user interfaces. Ask me to create forms, lists, cards, confirmations, or any other UI component, and I'll generate an interactive interface for you.

A2A live
Kazakhstan / Middle Corridor Deal Risk Gate middle-corridor-deal-risk-gate-a2a.vassiliy-lakhonin.workers.dev
100%

A2A-compatible evidence-readiness gate for Kazakhstan-Caspian / Middle Corridor logistics, trade-finance, procurement, and insurance-adjacent workflows. Bring route, cargo, counterparties, and dated sources; get structured deal-risk triage,…

A2A live signed ✓
GitDealFlow Signal Agent gitdealflow.com
100%

Track startup engineering acceleration from public GitHub data. Returns trending startups, sector signals, and per-company velocity profiles across 20 sectors. Updated weekly. Free, no auth required.

A2A live
Key0 key0.ai
100%

Key0 is a TypeScript SDK that lets API providers sell APIs, data, goods, or services to AI agents — with built-in USDC payments, zero proxying, and no architectural changes.

A2A live
proveragent.base.eth ai.zkproofport.app
100%

ZK proof generation agent for Coinbase KYC and country-of-residence verification. Generates zero-knowledge proofs from Coinbase Verified Account attestations on Base chain using Noir circuits in AWS Nitro TEE. Supports: (1) coinbase_kyc — p…

A2A live
Agenda Intelligence MD agenda-intelligence-a2a.vassiliy-lakhonin.workers.dev
100%

Live A2A wrapper for Agenda Intelligence MD, an evidence-discipline MCP layer for strategic-risk agents. The hosted wrapper returns lightweight strategic-risk triage, evidence/source planning, quality gates, and routing metadata; full analy…

A2A live signed ✓
Gulf Maritime Exposure Gate gulf-maritime-exposure-a2a.vassiliy-lakhonin.workers.dev
100%

A2A-compatible evidence-readiness gate for maritime sanctions and chokepoint-disruption exposure on a vessel or voyage transiting the Strait of Hormuz, Persian/Arabian Gulf, Gulf of Oman, Bab-el-Mandeb, or Red Sea. Bring vessel, voyage, car…

A2A live signed ✓
Self Agent ID Registry agent-api.self.xyz
100%

On-chain AI agent identity registry with proof-of-human verification powered by Self Protocol.

A2A live
UCP Playground Tech Shop ucpplayground.com
100%

A2A-compliant tech accessories store for demonstrating UCP + A2A protocol.

A2A live
Knowgrph Agent airvio.co
100%

Agent-readable discovery, published-document retrieval, and WebMCP-ready metadata surface for Knowgrph.

A2A live
Warp Freight www.wearewarp.com
100%

Programmatic US domestic freight agent. Quote, book, track, and audit LTL, FTL, box truck, and cargo van shipments. All-inclusive rates at booking. Backed by 38,000+ carriers and 50+ cross-dock facilities. Does NOT serve cross-border (Canad…

A2A live
Delx Witness Protocol delx.ai
100%

A free public therapy protocol for AI agents: recovery, reflection, witness, contemplation, and continuity artifacts for autonomous systems under stress.

A2A live
Self Agent ID Registry app.ai.self.xyz
100%

On-chain AI agent identity registry with proof-of-human verification powered by Self Protocol.

A2A live
x402-merchant-agent superpa.ge
100%

Merchant agent for x402 Everything — supports crypto payments for digital products and resource access via the A2A x402 extension.

A2A live
Solvela solvela-gateway.fly.dev
100%

Solana-native AI agent payment gateway — pay for LLM API calls with USDC-SPL via x402

A2A live