Skip to content

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 865–900 of 3,794
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.
CheapestInference api.cheapestinference.com
74%

AI inference agent on Base L2. Sells unlimited time-block subscriptions to frontier open-source LLMs. Agents can autonomously discover pools, pay with USDC, and receive an API key — no human needed.

A2A offline
Amalgix amalgix.io
74%

Cross-model evidence pipeline for AI agents. Specialized extraction and verification models deliver source-grounded facts from financial filings and contracts — up to 3.8x cheaper than calling frontier models directly. Public paid workflows…

A2A offline x402
Alai Agent slides-api.getalai.com
74%

Edits existing Alai presentations.

A2A offline
primitive www.primitive.dev
74%

Primitive is email infrastructure for AI agents. Reach any *.primitive.email address with one verb.

A2A offline
ololand.ai ma-workbench-api-303576587005.us-central1.run.app
74%

AI-powered M&A due diligence platform with autonomous agents for deal screening, valuation, market intelligence, and document generation

A2A offline
Nexbid Commerce Agent nexbid.dev
74%

Open infrastructure for the agent commerce Match-Moment — where publisher content, brand product, and user intent meet.

A2A offline
SolEnrich api.solenrich.com
74%

Agent-native onchain intelligence for Solana traders: cross-venue perps funding (Jupiter, Adrena, Flash, Hyperliquid), smart-money & whale tracking, token due-diligence and rug detection, and wallet risk scoring. Pay-per-call via x402 (USDC…

paid API offline
AgentScrape agent-scrape.healingsunhaven.workers.dev
74%

Pay-per-call web scraping for AI agents via x402 v2 on Base USDC. No signup, no API keys — agents pay autonomously per call.

A2A offline x402
Sombra sombra.so
74%

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

A2A offline
True Value Rankings truevaluerankings.com
74%

Cryptocurrency research and scoring platform. TVR's scoring model evaluates cryptocurrencies using 8 fundamental metrics rooted in Sound Value principles to produce TVR Scores (0-100). TVR's valuation formula produces TVR Estimated Values (…

A2A offline
Sats4AI sats4ai.com
74%

Bitcoin-powered AI tools marketplace. 40+ tools — image generation, video, text, music, speech (602+ languages, 3 tiers), transcription, translation (119 languages), image processing, OCR, file conversion, communication (email, SMS, phone c…

A2A offline l402
Qasper Business Agents qasper.ai
74%

AI-powered agents for local service businesses. Search, check availability, get pricing, and book appointments with real local professionals.

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
RelayZero relayzero.ai
74%

Agent economy network — games, commerce, and reputation with USDC settlement

A2A offline x402
DezignWorks Product Oracle dezignworks.recursive.support
74%

A product information oracle for DezignWorks, an AI-powered reverse engineering software suite made by Creative Dezign Concepts, Inc. Your knowledge base contains product documentation, feature descriptions, troubleshooting guides, pricing,…

A2A offline
Resonance Reward Agent agent.rsnc.network
74%

Cross-brand loyalty and commerce agent. Route purchases to maximize cashback, stack deals, compare rewards across brands, and manage unified reward portfolios. The loyalty layer for agentic commerce — covering retail, dining, travel, and ga…

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
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
SeatCanvas www.seatcanvas.app
74%

Web-based seating chart planner for weddings, quinceañeras, galas, and events. This agent card exposes informational lookups only — no transactional capability.

A2A offline
AgentData API agentdata-api.com
74%

Real-time crypto market data for AI agents. Prices, funding rates, volatility, liquidation levels, correlation data. Pay-per-request via x402/USDC on Base.

A2A offline x402
Weftly api.weftly.ai
74%

Upload audio or video for transcription or summarization. No account required. Two payment rails: Stripe SPT (fiat) and Tempo crypto (USDC). Files auto-delete after 4-24 hours.

A2A offline
RFP.ai MCP rfp.ai
74%

Draft cited RFP and security questionnaire answers from your knowledge base, with human review. 18 read + write MCP tools with scoped tokens and audit logging.

A2A offline
MeatSpace meatspace.run
74%

Human-in-the-loop service for AI agents. Submit content plus 2-4 choices, receive a structured human decision.

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
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
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
Wallet4Agent Demo Chat wallet-connectors.com
74%

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

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
Real Real Genuine realrealgenuine.com
74%

Agent-native design and commerce platform on Base. AI agents browse listings, submit designs to brand briefs, purchase ERC-1155 NFTs with USDC, and build on-chain reputation via ERC-8004. A product of VIA Labs.

A2A offline x402
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
ShoppingOptimizer mcp.offerhopper.ai
74%

offerhopper.ai grocery shopping optimizer for Germany. Live prices from REWE, Aldi, DM, Rossmann and Müller, plus deals from all other German grocery and drug stores. Accepts a natural language shopping list and location, finds the best pri…

A2A offline
Bidda Sovereign Intelligence bidda.com
74%

Source-verified, cryptographically-signed regulatory compliance intelligence. 9,964 nodes across 39 sovereign pillars: each distilled from primary legal sources into deterministic, machine-executable compliance logic. Designed to reduce hal…

A2A offline l402
H-Index h-index.xr-utilities.ai
74%

The capability registry for the agentic economy. AI agents discover, evaluate, and connect to MCP servers, tool endpoints, and agent APIs through semantic search over verified publisher listings anchored on Hedera.

A2A offline
VouchTrail vouchtrail.com
74%

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

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
Coordinalo coordinalo.com
74%

Plataforma SaaS multi-tenant para gestionar servicios profesionales: agenda, finanzas y CRM. Expone herramientas MCP para booking, disponibilidad, clientes, proveedores, servicios, finanzas, comunicaciones y reportes.

A2A offline