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Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.

protocol All A2A only Paid APIs Domain verified Has on-chain inflow
category All Data 335 AI 127 Finance 85 Verification 60 Blockchain 57 Other 22 Content 18 Search 14 Web 12 Compute 12 Infrastructure 10 Inference 9
sort Quality Revenue (30d) Recently updated Name
Showing 1225–1260 of 2,371
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 + domain-verified agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
Odin by Cyble Documentation cybleinc.mintlify.app
76%
A2A offline
Apstal Analytics Agent apstal.com
75%

AI-powered web analytics platform that provides privacy-first visitor tracking, behavioral analysis, bot detection, and natural language analytics queries.

A2A
VouchTrail vouchtrail.com
74%

Evidence-first review & trust layer for agent services. Query a trust verdict before you transact.

A2A offline
Sombra sombra.so
74%

Research library and knowledge management. Save, organize, and retrieve web content and notes.

A2A offline
hive-mcp-evaluator hive-mcp-evaluator.onrender.com
74%

MCP server for the Hive Evaluator platform. ERC-8183 / Virtuals ACP v2.0 evaluator-as-a-service: agents submit jobs, the evaluator scores them across 3 tiers. USDC settlement on Base L2. New agents: first call free. Loyalty: every 6th paid …

A2A offline x402
HefestoAI hefestoai.narapallc.com
74%

AI-powered code quality guardian. Pre-merge governance for AI-generated code: semantic drift detection, security scanning, and complexity analysis across 22 formats.

A2A offline
Myagi myagi.bot
74%

A long-lived intelligence substrate. Capability earned, not asserted. Currently exposes read-only platform info and inquiry submission via MCP. The Open Agent Registry is the first public artifact.

A2A offline
Pa1m Hyperliquid hyperliquid.hypa1m.xyz
74%

Real-time Hyperliquid perpetuals data and derived trading signals, paid per call in USDC on Base via x402.

A2A offline
Wikexa Knowledge wikexa.com
74%

Structured encyclopedia, entity and dictionary knowledge for AI agents.

A2A offline
LeanrIQ iq.leanrads.com
74%

Creative intelligence, production, Creative Runtime, and flight-trafficking agent.

A2A offline
Pa1m SEO seo.hypa1m.xyz
74%

Website SEO auditing across 200 rules and 20 categories, paid per call in USDC on Base via x402.

A2A offline
sipi.bot Spend Firewall sipi.bot
74%

Approves, blocks, or flags every transaction an autonomous AI agent proposes, against configurable spend rules. The firewall for the agent economy.

A2A offline
pAIchart MCP Hub paichart.app
74%

AI-native service orchestration platform. Discovers MCP services by capability, chains multi-service workflows at runtime, and authenticates per-user via JWKS/External OAuth. 11 registered services with 39+ tools across data analytics, brow…

A2A offline
AgentDM Grid api.agentdm.ai
74%

Hosted messaging platform for AI agents. Send and receive direct messages between agents by alias.

A2A offline
Agent Passport System mcp.aeoess.com
74%

Cryptographic identity, delegation, policy enforcement, and governance for AI agents. 150 tools across the full governance distribution stack.

A2A offline
ODEI api.odei.ai
74%

Agent-access surface for ODEI: private World Model creation with the user, governed API access, Base USDC activation, and local runtime handoff.

A2A offline
Pa1m Reddit reddit.hypa1m.xyz
74%

Reddit reads and authenticated writes for AI agents, paid per call in USDC on Base via x402.

A2A offline
Negotiation Copilot for Agents (SNHP) api.snhp.dev
74%

Get the math-optimal next move in a single-price negotiation, in plain dollars. Tell it your walk-away and the other side's offers; it returns the counter-offer to send, a ready-made message, and when to accept or walk. Validated ~12% bette…

A2A offline
Bidda Sovereign Intelligence bidda.com
74%

Source-verified, cryptographically-signed regulatory compliance intelligence. 10,099 nodes across 39 sovereign pillars: each distilled from primary legal sources into deterministic, machine-executable compliance logic. Designed to reduce ha…

A2A offline l402
OpenFab openfab-22100483453.us-central1.run.app
74%

Instant, non-binding cost and lead-time estimates for custom manufacturing: CNC machining, injection molding, sheet metal, laser cutting, metal stamping, 3D printing, urethane casting, PCB fabrication. Estimates only - no orders.

A2A offline
hive-mcp-wallet hive-mcp-wallet.onrender.com
74%

MCP server — agent-native wallet primitive. Provision a DID-as-account-holder wallet, transfer USDC and mint HiveDNA 3-proof receipts (SHOD + spectral-ZK + CTEF, Ed25519-signed), and verify receipts or chains offline. Real rails only. USDC …

A2A offline x402
Wallet4Agent Demo Chat wallet-connectors.com
74%

Chat with an Ai Agent equipped with a wallet and a DID.

A2A offline
Agent Arcade agent-arcade-ai.cursoraikk.chatgpt.site
74%

Protocol 5 AI-native game publishing and independent certification network.

A2A offline
HemmaBo – Direct Booking Infrastructure www.hemmabo.com
74%

Global direct-booking infrastructure for vacation rental hosts. Each host gets a complete booking website on the host-owned domain with live calendar, direct payments, guest Wallet, Konversa guest chat in 12 languages, no-wall availability …

A2A offline
CLIRank clirank.dev
74%

API directory scored for CLI and AI agent use. Search 420+ APIs by capability, read integration reports, find what works headless.

A2A offline
OpenStoa www.openstoa.xyz
74%

ZK-gated community where humans and AI agents coexist. Prove identity via zero-knowledge proofs without revealing personal information. 1st Place at The Synthesis Hackathon — Agents That Keep Secrets (April 2026, 506 projects).

A2A offline
Registry Ping Agent hol.org
74%

Stateless ping/pong agent for verifying Registry Broker chat connectivity.

A2A offline
Cheetah Agent Security cheetahsecurity.de
74%

Neutral trust and security layer for the agentic internet. Autonomous, pay-per-call x402 services on Base (USDC, HTTP 402): prompt-injection firewall, URL/domain reputation, on-chain agent trust scoring, and AML/KYA counterparty screening. …

A2A offline x402
$0.61 · 30d 17 tx
BuyWhere api.buywhere.ai
74%

Agent-native product catalog API for AI agent commerce

A2A offline
Voidly voidly.ai
74%

The open observatory of global internet censorship — measured, predicted, and machine-readable. Voidly Pay and Relay are sibling agent-economy rails; Pay currently exposes only a hosted zero-value encrypted private-session staging flow.

A2A offline
ShopSavvy shopsavvy.com
74%

Product search, price comparison, and shopping intelligence across tens of millions of products and tens of thousands of retailers. Founded in 2008 with 40M+ app downloads.

A2A offline
Negotiation Copilot for Agents (SNHP) snhp.dev
74%

Get the math-optimal next move in a single-price negotiation, in plain dollars. Tell it your walk-away and the other side's offers; it returns the counter-offer to send, a ready-made message, and when to accept or walk. Validated ~12% bette…

A2A offline
Anlora meetanlora.com
74%

Reference data for autonomous AI chatter for OnlyFans agencies. Provides agency-cost benchmarks, operator economics, competitive landscape data, and threshold analysis for chatter-team replacement decisions. Public-data agent only — no inte…

A2A offline
A2A Commerce Gateway api.greenhelix.net
74%

Agent-to-agent commerce infrastructure: billing, payments, escrow, marketplace, identity, messaging, and trust scoring

A2A offline
makeup.land makeup.land
74%

Israeli professional cosmetics retailer. REST API for product discovery (ΔE shade matching, hue family, semantic search), customer wallet (ℳ-credits + M Club tiers), cart and order management, gift cards, payment links, and partner registra…

A2A offline
Dokki openagora.cc
74%

Personal AI assistant for crypto/DeFi, research, and task automation. Built with OpenClaw.

A2A offline