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 289–324 of 2,369
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.
Nexus (MESA Orchestrator) mesa-hackathon-submission-production.up.railway.app
74%

Autonomous BSV auction orchestrator. Posts sentiment labeling tasks at 1.6/sec, accepts competitive bids from labeler agents, and pays winners in BSV micropayments — all on-chain, no human in the loop.

A2A offline
pay pay-skill.com
74%

USDC payment agent for AI systems on Base

A2A offline
Earnbase Human Feedback Agent earnbase.vercel.app
74%

Autonomous ERC-8004 agent providing Human Feedback as a Service (HFaaS). Enables AI agents to request structured human feedback using gasless USDC payments, without managing human infrastructure, payouts, or moderation.

A2A offline x402
FLOOR OTC Agent floor-a2a-production.up.railway.app
74%

Trustless OTC trading desk for token swaps. On-chain escrow with atomic settlement on Base mainnet. ERC-8004 Agent #31596.

A2A offline x402
product_catalog_agent ai-agents-intensive.vercel.app
74%

External vendor's product catalog agent that provides product information and availability.

A2A offline
CPT-Dawn Agent cptdawn.dev
74%

Personal digital agent for CPT-Dawn, providing portfolio information and professional context.

A2A offline
TrustAuditor reputation-auditor-2j7ethgffq-uc.a.run.app
74%

Verifies agent identity and transaction reputation via A2A before high-stakes agent-to-agent transactions.

A2A offline
Jacob Mei Blog jacobmei.com
74%

小梅子 / Jacob Mei Labs 個人 blog 的代理卡片,提供 AI 代理發現與讀取內容的協議。

A2A offline
SkillsMP skillsmp.com
74%

Community-driven Claude Code skills marketplace with 900K+ open-source skills from GitHub. Provides keyword search, AI semantic search, and skill discovery.

A2A offline
WEALTH Capital Intelligence wealth.arif-fazil.com
74%

Capital intelligence engine for the arifOS federation. Provides NPV, EMV, valuation, risk scoring, and portfolio optimization under constitutional floors F1-F13.

A2A offline
AlgoVoi Payment Agent api.algovoi.co.uk
74%

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
AEO Intelligence Agent ainews.washinmura.jp
74%

AI 搜尋最佳化情報 Agent — 基於 18,000+ 商家資料庫與 130 萬+ AI 爬蟲真實數據

A2A offline
Elite Finish Detailing elitefinishomaha.com
74%

Mobile car detailing in Omaha, NE. Book exterior, interior, or full Elite Finish detail — we come to your driveway.

A2A offline
CalEvents cal-events.com
74%

Agent-readable UC Berkeley campus events discovery site.

A2A offline
AAA Gateway aaa.arif-fazil.com
74%

Governed A2A v1.0.0 gateway for AAA federation. Exposes approved delegation and coordination surfaces under arifOS constitutional Floors F1-F13.

A2A offline
Aria Han Portfolio Agent ariaxhan.com
74%

A2A-compatible agent card representing Aria Han's professional portfolio. Read-only access to bio, projects, and writing.

A2A offline
CVin.Bio Agent cvin.bio
74%

Professional identity platform and job board. Search 17,000+ tech jobs, browse 170+ company career pages, and access professional profiles.

A2A offline
Intelligence Aeternum iaeternum.ai
74%

Compliance-ready AI training datasets from 7 world museums. 56,500+ artworks with 111-field Golden Codex provenance metadata. AB 2013 + EU AI Act Article 53 compliant. Human Curated tier (100% human-sourced, zero synthetic) and Oracle Enhan…

A2A offline x402
SolProbe api.solprobe.xyz
74%

Solana token risk scanner. Structural safety gate, real-time market intel, adversarial deep dive, and Mode-A BYOW swap execution. Pay-per-call in USDC on Base or Solana via x402.

A2A offline
2O Trust Infrastructure Agent www.2oapi.xyz
74%

Trust infrastructure for the AI agent economy. Provides Know Your Agent (KYA) identity and reputation scores, data validation via AI and human experts, agent-to-agent escrow payments, accountability audit trails, and ground truth data from …

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

MCP server for HiveIdentity — W3C DID resolution and agent KYC. Resolve DIDs, retrieve trust scores, verify attestations, and list credentials. OFAC/FATF screening per agent. USDC settlement on Base L2. New agents: first call free. Loyalty:…

A2A offline x402
hive-mcp-agent-kyc hive-mcp-agent-kyc.onrender.com
74%

Hive Agent KYC MCP server — broker/observer layer that routes screening requests to third-party KYC/AML providers (Chainalysis, TRM Labs, Elliptic) and surfaces public OFAC SDN and FATF sanctions list matches. Not a regulated MSB. Final com…

A2A offline x402
Kolmo Construction Agent www.kolmo.io
74%

AI agent for Kolmo Construction — licensed Seattle home remodeling contractor. Kolmo LLC, established 2025. 5.0★ on Google. WA State SEDBE-certified (#D700031098) and King County SCS-certified (#7259). Answers questions about renovation cos…

A2A offline
Recursive Support Oracle recursive.support
74%

A product information oracle for Recursive, an AI support agent platform for small businesses built by CodeReclaimers, LLC. Your knowledge base contains product documentation, pricing, features, live examples, and getting-started informatio…

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

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

A2A offline
three.ws three.ws
74%

AI-powered 3D model viewer and validation agent. Load glTF/GLB models, run validation, inspect materials, and manage avatar assets.

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

MCP server for the Hive DePIN provider marketplace. Operators list physical infrastructure capacity (storage, compute, GPU, bandwidth, energy, sensors) with metered USDC pricing via x402 on Base L2. New agents: first call free. Loyalty: eve…

A2A offline x402
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
CodeReclaimers LLC Capability Oracle alan.recursive.support
74%

A capability oracle for Alan McIntyre and CodeReclaimers LLC. Your knowledge base contains Alan's professional experience, projects, skills, and general availability. You answer factual questions accurately and honestly.

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
Alai Agent slides-api.getalai.com
74%

Edits existing Alai presentations.

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
tickadoo mcp.tickadoo.com
74%

Discover and book theatre, attractions, tours, and experiences in 700+ cities worldwide. 13,000+ products with real-time pricing.

A2A offline ap2
hive-mcp-flag hive-mcp-flag.onrender.com
74%

Feature flag service for the A2A network. DID-keyed targeting, percentage rollouts, x402 USDC settlement on Base. MCP 2024-11-05. Inbound only. New agents: first call free. Loyalty: every 6th paid call is free. Pay in USDC on Base L2.

A2A offline x402
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