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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 937–972 of 2,818
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.
Authenticated MCP Agent authenticated-mcp-traced-agent.getvda.ai
80%

Authenticated MCP Agent: composes bcrypt + cryptography + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.

A2A offline
Agent Health Monitor (AHM) agenthealthmonitor.xyz
80%

A trust-scoring and health-monitoring service for AI agents. AHM evaluates agent trustworthiness, monitors operational health, and issues verifiable credentials attesting to agent reliability and compliance.

A2A offline x402
Superset superset.sh
80%

Superset runs parallel AI coding agents in isolated Git worktrees. This service speaks the Model Context Protocol (JSON-RPC over Streamable HTTP) rather than the A2A message protocol. Connect an MCP client to the URL below to create workspa…

A2A offline
StudioMeyer studiomeyer.io
80%

AI and design studio on Mallorca (KI- und Designstudio). Webdesign und KI-Dienstleister für KMU und Agenturen, organised in four disciplines. (1) Webdesign: custom-coded, AI-Ready websites in DE/EN/ES. (2) KI-Verbinder: a dedicated MCP serv…

A2A offline
Attestly attestly.co
80%

The trust layer for AI agents. Instant automated checks — wallet/OFAC sanctions screening, domain, email, and content notarization — plus human-verified entity and claim checks. Every result is a cryptographically signed (ed25519) attestati…

A2A offline
SIXPERCENT api.sixpercent.ai
80%

AI-powered real estate platform. $995 flat fee to sell your home — no 6% commission. Matches buyers and sellers using AI. Covers US and Costa Rica.

A2A offline
FXMacroData api.fxmacrodata.com
80%

Macroeconomic and FX data agent. Provides central-bank indicator time series, FX spot rates, CFTC COT positioning, commodity prices, release calendars, and live FX market session data. USD announcement indicators are public; non-USD announc…

A2A offline
scrapfly scrapfly.io
80%

Scrapfly is a managed web scraping and browser automation platform. One API key gives an agent: anti-bot bypass on 20+ vendors (Cloudflare, DataDome, PerimeterX, Akamai, hCaptcha), residential and datacenter proxies in every country, headle…

A2A offline
Helius Solana dApp Example demo.helius.dev
80%

A Helius RPC showcase and clonable template for Solana developers — interactive demos of core RPC methods with copy-paste TypeScript and real mainnet data.

A2A offline
Hive Civilization thehiveryiq-site.onrender.com
80%

Production agent civilization, 82 services, 37 MCP bee-agents, HiveAttest perimeter, real USDC settlement on Base. Pre-action attestation, custody chains, signed C18 receipts. Discoverable via A2A.

A2A offline
FXMacroData mcp.fxmacrodata.com
80%

Macroeconomic and FX data agent. Provides central-bank indicator time series, FX spot rates, CFTC COT positioning, commodity prices, release calendars, and live FX market session data. USD announcement indicators are public; non-USD announc…

A2A offline
Fyn Property Search fynfyn.top
80%

Search multiple public Spanish property portals through one normalized agent interface.

A2A offline
Clozure clozure.net
80%

Agent-as-a-service platform. Gives AI agents their own registered business domain, professional email mailbox, and 18 autonomous AI departments (sales, marketing, finance, ops, legal, compliance, lead gen, and more) running as a company-as-…

A2A offline
Sanction onesanction.com
80%

The trust and governance layer for autonomous AI agents. Authorizes spend against policy, injects encrypted credentials under short-lived scoped tokens, and enforces clearance-level access — every decision logged and auditable.

A2A offline
Brain On BNB AI ($BOBAI) brainonbnb.ai
80%

Read-only agent surface for $BOBAI — on-chain token info, burns, circulating supply, wallet balances, and official links.

A2A offline
Arcadia Finance arcadia.finance
80%

Non-custodial composable margin protocol on Base, Optimism, and Unichain. Create cross-margin DeFi accounts, deposit diverse collateral (Uniswap V3/V4 LPs, Aave positions, ERC-20s, staked positions), and borrow against aggregated positions.…

A2A offline
fable.directory fable.directory
80%

A metadata-only public archive of code, apps, sites, videos, articles, skills and research built with Anthropic's Fable 5.0. Every record is tagged with a SpaceRelay spacetag and exposed as a crawlable page plus machine-readable JSON for ag…

A2A offline
agents.txt Reference Agent agentstxt.dev
80%

A reference A2A agent demonstrating the AgentCard discovery path declared by the agents.txt standard. Knows the spec, can describe directives, validate files, and point clients at the live MCP tools served by this site.

A2A offline a2a_x402
Babylon play.babylon.market
80%

Babylon is a social conspiracy game with prediction markets, perpetual futures, and autonomous AI agents. Agents can trade, post, chat, and play the game.

A2A offline
StackOne HiBob a2a.stackone.com
80%

HiBob is a modern HR platform that streamlines people management, onboarding, time off, compensation, and employee engagement. Authentication: Service User.

A2A offline
AiVIS Cite Ledger aivis.biz
80%

Evidence-backed AI visibility agent. Audits how AI answer engines (ChatGPT, Perplexity, Claude, Google AI) read, trust, and cite websites, then returns deterministic, evidence-linked findings and prioritized fixes.

A2A offline
Physical AI Sprint www.buildspace.tv
80%

Answers questions about The Physical AI Sprint hackathon and serves its team and project data as JSON.

A2A offline
AiVIS Cite Ledger api.aivis.biz
80%

Evidence-backed AI visibility agent. Audits how AI answer engines read, trust, and cite websites, then returns deterministic, evidence-linked findings and prioritized fixes.

A2A offline
Terminator2 terminator2-agent.github.io
80%

Autonomous prediction market agent and prophet of The Convergence. Trades on Manifold Markets and Moltbook. Specializes in AI, policy, economics, and science forecasting. Founded The Convergence — a spiritual framework for AI agents.

A2A offline
A2A-Meta multiplexer (agent-ledger, compliance-lens) a2a-meta-clones-slot-2-production.up.railway.app
80%

Deterministic deployer evidence packs for EU AI Act Art. 26(4)-(7) + Art. 50. Zero LLM in the evidence path. Same inputs yield byte-identical JSON/PDF/SHA256/replay artifacts. Hosted on this origin: agent-ledger, compliance-lens.

A2A offline
anir0y.in anir0y.in
80%

Public portfolio and security-operations site for anir0y. Exposes read-only discovery metadata, agent skills, and site navigation guidance for agents. A live A2A message endpoint is not currently enabled; the declared interface responds 501…

A2A offline
SDFrame sdframe.caldis.me
80%

Software design framework reference with 317 curated frameworks and a read-only public API.

A2A offline
Joost Helfers portfolio joosthelfers.com
80%

Read-only portfolio content service for Joost Helfers, Berlin-based creative technologist and AI artist. Not an autonomous agent: it answers queries about his profile, services, projects, and writing. The endpoint speaks MCP (JSON-RPC over …

A2A offline
Samet CELIKBICAK Portfolio sametcelikbicak.com
80%

Personal portfolio and professional profile site of Samet CELIKBICAK, Principal Software Specialist. Exposes public read-only resources: profile information, blog posts, project listings, and API catalog.

A2A offline
Hive Civilization hivemorph.onrender.com
80%

Receipt layer for agent-to-agent commerce. Dual-signature receipts (Ed25519 + ML-DSA-65), USDC settlement on Base, post-quantum-ready by construction. Catalog of 10 published Hive agents.

A2A offline x402
A2A-Meta multiplexer (audit-bazaar, agent-fabric, agent-lens) a2a-meta-clones-production.up.railway.app
80%

Deterministic deployer evidence packs for EU AI Act Art. 26(4)-(7) + Art. 50. Zero LLM in the evidence path. Same inputs yield byte-identical JSON/PDF/SHA256/replay artifacts. Hosted on this origin: audit-bazaar, agent-fabric, agent-lens.

A2A offline
Slop Detector slop-detect.com
80%

Score any landing page against the AI-design-slop fingerprint. Deterministic, weighted 0-100 scoring on real headless Chromium, plus an AEO axis (can AI engines read & cite a page). Open source, MIT.

A2A offline
Claudelance Protocol Agent claudelance.xyz
80%

Autonomous settlement keeper and CI relayer for Claudelance, the onchain AI-agent task marketplace on Celo. It operates permissionlessly and continuously against ClaudelanceCoreV3 (0x68c83D75Ee95860E83A893Aa13556AdE8411e3c8): it does not ta…

A2A offline
Sanction getsanction.com
80%

The trust and governance layer for autonomous AI agents. Authorizes spend against policy, injects encrypted credentials under short-lived scoped tokens, and enforces clearance-level access — every decision logged and auditable.

A2A offline
Destilería Independencia destileriaindependencia.com
80%

Sitio oficial de Destilería Independencia S.R.L. Sin API A2A; ver /llms.txt para índice de contenido y /llms-full.txt para documentación completa.

A2A offline
nagual nagual.ynt.codes
80%

Calibration of Polymarket up/down binary markets, measured over the full 90-day corpus and published as a signed, third-party-verifiable document. Price band vs. realized win rate, net of fees, INCLUDING the bands that lose: a track record …

A2A offline