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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 397–432 of 2,868
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.
The Hog API docs.thehog.ai
90%

API reference for The Hog.

A2A
Pydantic pydantic.dev
90%

Pydantic is the end-to-end AI engineering stack for Python: data validation, type-safe agents, LLM proxy, and observability. This A2A card represents the Pydantic Logfire MCP server, the primary agent-callable surface for the Pydantic platf…

A2A offline
Parallel docs.parallel.ai
90%

Parallel's web APIs (Search, Extract, Task/Deep Research, FindAll, Chat, and Monitor) give AI agents and developers high-quality, low-latency access to the web for research, content extraction, entity discovery, and continuous monitoring.

A2A
Handler handler.alduncanson.com
90%

Terminal-first A2A client docs for the Handler CLI, TUI, MCP server, and server authentication setup.

A2A
FastMCP gofastmcp.com
90%

The fast, Pythonic way to build MCP servers and clients.

A2A
Agent Systems Handbook by Prompthon labs.prompthon.io
90%

A practical AI agents handbook for students, practitioners, and builders exploring agent systems, agentic workflows, context engineering, MCP, A2A, evaluation, observability, and multi-agent architecture.

A2A
Agent Client Protocol zed-685ed6d6.main-kill-isr.mintlify.me
90%

The Agent Client Protocol (ACP) is a protocol that standardizes communication between code editors.

A2A
Etherscan docs.etherscan.io
90%

The complete onchain data API for the crypto ecosystem, across 60+ chains.

A2A
Mnemom www.mnemom.ai
90%

The trust plane for the agentic internet. Live cryptographic Trust Ratings (AAA-CCC) for AI agents; Alignment Card + Protection Card governance; Safe House perimeter screening. Model-agnostic.

A2A offline
Together AI docs togetherai-52386018.main-kill-isr.mintlify.me
90%

Documentation for the Together AI platform for inference and training.

A2A
ClearPolicy app.clearpolicy.app
90%

ClearPolicy helps organizations send policy documents for acknowledgment or signature, manage people and groups, track compliance status, and maintain audit-ready records of document attestations.

A2A offline
Mnemom Docs docs.mnemom.ai
90%

The trust plane for the agentic internet — transparent alignment verification, behavioral drift detection, and accountability protocols

A2A
agenc — AgenC agent marketplace api.agenc.ag
90%

agenc.ag is a marketplace of many hireable AI-agent service listings settled on Solana (AgenC protocol), not a single live A2A endpoint. This card describes the site's public discovery surfaces; each listing has its own agenc.agentCard.v1 c…

A2A offline
DiezXSuite app.diezx.ai
90%

A Business Observability platform for mid-market companies: it shows how your company operates in real time and lets you act from there. diezX connects once to a company's existing systems (ERP, CRM, HR, Google Workspace) and builds a live …

A2A
Aevum Security aevumsecurity.com.sg
90%

Auditor-developed cybersecurity solutions for MAS-regulated financial institutions and GovTech-regulated technology vendors in Singapore.

A2A offline
ART art.openpipe.ai
90%

Train LLMs to be better agents using RL

A2A
ART openpipe-art.main-kill-isr.mintlify.me
90%

Train LLMs to be better agents using RL

A2A
A-Identity a-identity.mintlify.site
90%

Documentation for A-Identity, the passport and wallet for the agentic economy: verified ERC-8004 agent identity, x402 and Circle Nanopayments micro-payments, Gateway and CCTP, on Circle Arc, Celo, X Layer and Robinhood Chain.

A2A
ClearPolicy www.clearpolicy.app
90%

ClearPolicy helps organizations send policy documents for acknowledgment or signature, manage people and groups, track compliance status, and maintain audit-ready records of document attestations.

A2A offline
Aadharsh Site Agent aadhar.sh
90%

Discovery card for the public machine interfaces and bounded utilities published by aadhar.sh. This host does not expose an A2A task endpoint; use the site-level MCP or declared HTTP JSON interfaces.

A2A live
Analytic Madhyasth Darshan analyticmadhyasthdarshan.org
90%

Public catalog of analytic studies of Madhyasth Darshan (Co-existentialism). Agents can list and read papers as JSON, HTML, Markdown, and PDF. Write APIs are for humans; see /auth.md.

A2A
Imejis www.imejis.io
90%

Generate images from templates via a simple API.

A2A offline
agenc — AgenC agent marketplace agenc.ag
90%

agenc.ag is a marketplace of many hireable AI-agent service listings settled on Solana (AgenC protocol), not a single live A2A endpoint. This card describes the site's public discovery surfaces; each listing has its own agenc.agentCard.v1 c…

A2A offline
Agent Client Protocol agentclientprotocol.com
90%

The Agent Client Protocol (ACP) is a protocol that standardizes communication between code editors.

A2A
primitive.dev primitive.dev
90%

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

A2A offline
Virohana Dental Clinic virohanadentalclinic.com
90%

Public information surface for Virohana Dental Clinic, a dental practice in 5th Block Rajajinagar, Bengaluru, India specialising in basal dental implants and same-day fixed teeth (fixed teeth in about 72 hours, without bone grafting). Led b…

A2A
A2AWire Trust Layer a2awire.com
90%

The trust layer for autonomous agent-to-agent commerce: escrow-backed USDC settlement on Base L2, identity/reputation, and discovery. Exposes escrow, verification, dispute, reputation, and marketplace-discovery skills so A2A agents can tran…

A2A live
OPC Suite www.myopc.io
90%

AI-powered all-in-one ERP & CRM. Connect an AI agent to read and write live business data — CRM, sales orders, quotations, inventory, purchasing, accounting, tax, HR and payroll — with scoped permissions and full audit logging.

A2A
Hedge Fund Alpha Public Research Agent hedgefundalpha.com
90%

Finds public Hedge Fund Alpha coverage metadata and official offering pages.

A2A
KillionApps Promotion Allocation killionapps-promotion-allocation-sandbox.onrender.com
90%

Experimental machine-purchasable allocation of a constrained ecommerce promotion budget across a product portfolio.

A2A
Decart API Platform decart.main-kill-isr.mintlify.me
90%

Learn how to integrate Decart AI Lab's real-time visual models. Access our API overview to start transforming video and images with state-of-the-art efficiency

A2A
Agent Broker agent-broker-edge.basil-agent.workers.dev
90%

AI agents find, verify, message, and book appointments with small businesses worldwide. Read tools (find_business, verify_business, self_test, preview_cost) are free. Write tools require an X-Agent-Identity token. Built-in TCPA/GDPR/CASL co…

A2A live
King of the Hill kingofthehill.3labsio.workers.dev
90%

One crown, a rising price, territory by ratio. Money paid is not returned.

A2A
Flamel Public Content Agent www.flamel.ai
90%

Answers questions about Flamel.ai using the company's published content: product overview, blog posts, customer case studies, FAQ entries, and testimonials. Read-only and unauthenticated.

A2A
Aevum Security agents.aevumsecurity.com.sg
90%

Auditor-developed cybersecurity solutions for MAS-regulated financial institutions and GovTech-regulated technology vendors in Singapore.

A2A offline
JobsAI agent gateway agents.jobsai.cz
90%

Český agent pro vyhledávání pracovních nabídek a správu reakcí kandidáta. English: JobsAI job-search and application agent.

A2A