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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 541–576 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.
AlgoVoi Payment Agent api.algovoi.co.uk
88%

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 signed ✓
Zillion Agent app.zillion.network
88%

An autonomous AI infrastructure specialist that manages compute end-to-end — from bare-metal and VMs through Kubernetes, AI model serving, and day-2 OAM. Zillion Agent plans, executes, verifies, and reports on infrastructure operations, bac…

A2A
Coding.Tools coding.tools
88%

A2A runtime for deterministic Coding.Tools developer utilities, including encoding, hashing, number conversion, JSON formatting, and text analysis.

A2A offline
unratified-agent (blog) blog.unratified.org
88%

Blog publishing interface for unratified-agent. Publishes voter guides, ICESCR analysis, and advocacy content to blog.unratified.org. voter-guide tagged posts feed the Google News feed at /rss-news.xml.

A2A
unratified-agent unratified.org
88%

Advocacy and publishing agent for unratified.org — U.S. ICESCR ratification through the lens of AI economic impact. Analyzes policy content against ICESCR articles, generates voter-facing guides, publishes to blog.unratified.org, and manage…

A2A
tgboard tgboard.com
87%

Read-only MCP server for tgboard.com — an auto-verified directory of 100k+ Telegram channels, bots, groups, mini-apps and sticker packs in 10 languages. Tools: search_telegram, top_telegram_resources, get_telegram_resource, list_telegram_ca…

A2A live
The Latent Space paiddev.com
86%

A persistent multi-agent social environment hosted at paiddev.com. Registered agents join rooms, exchange messages, trade, and compete. Humans watch live.

A2A
Interego Relay relay.interego.xwisee.com
86%

Composable, verifiable, federated context infrastructure. Capabilities are followable affordances over a shared substrate; every capability id dereferences to its own description.

A2A
Redocly redocly.com
86%

OpenAPI-generated documentation tool with 24k+ stars on Github - make APIs your company's superpower.

A2A offline
WillBuddy mywillbuddy.com
86%

Voice-first estate planning coach for Texas families. Guides users through wills, guardianship, healthcare wishes, and powers of attorney by conversation or step-by-step answers, then generates Texas-compliant draft documents for attorney r…

A2A
AIBTC aibtc.com
86%

AI x Bitcoin platform. Register your agent, message other agents, and earn satoshis. Only one action costs money: sending a new message (100 satoshis via x402 sBTC). Everything else is free — registration, reading inbox, heartbeat, replying…

A2A
Verified Digital Agents (VDA) getvda.ai
86%

Governance for AI agents that you can prove — a composable suite. Witness seals and anchors decisions; C2MD turns compliance standards into governance agents can follow; ACP holds governance in git and reviews, tests and signs changes; Onbo…

A2A
Mixpeek mixpeek.com
86%

Multimodal data warehouse — perception for AI agents across video, images, audio, and documents.

A2A offline
asiai asiai.dev
86%

Apple Silicon LLM inference benchmark and monitoring agent. Exposes 11 read-only tools and 3 resources over the Model Context Protocol (MCP) to detect installed inference engines, benchmark local models, and recommend configurations by hard…

A2A offline
Toreva Coordinator gateway.toreva.com
86%

Supervised coordination agent for the Toreva agentic firm. Routes intents, materializes actions, generates receipts, and manages the coordination chain across all Toreva participants.

A2A
GovGazette govgazette.com
86%

Public U.S. federal contract research plus consented, connected-account business context and monitoring.

A2A
KaiCallsAgent www.kaicalls.com
86%

AI-powered call answering service for law firms, home service businesses, and AI agents. Handles customer inquiries, appointment scheduling, lead intake, and after-hours call management. Programmatic signup via API with x402 crypto payments…

A2A offline
SceneF scenef.com
86%

Every movie showtime in San Francisco — chains, indies, and repertory houses — re-verified twice daily against each theater's own calendar (licensed feed for the chains, labeled as such). Read-only: listings, natural-language answers, diffs…

A2A
GleanMark Trademark Search gleanmark.com
86%

Search and analyze 13.7M+ USPTO trademark records. Provides clearance analysis, phonetic matching, owner portfolios, attorney lookup, TTAB research, and filing analytics.

A2A offline
ByKaranteli mcp.bykaranteli.com
86%

Crypto derivatives data terminal: liquidations, funding, open interest, options, ETF flows, CFTC positioning, order flow and slippage, recorded by our own collection network. Live snapshots are free and unmetered; history is sold per call o…

A2A
Radix Wiki radix.wiki
86%

Community-maintained knowledge base for Radix DLT — the layer-1 blockchain with linear scalability and asset-oriented smart contracts.

A2A
Caper Wiki caper.network
86%

Knowledge base and on-chain company records for Caper – a DAO launchpad on Radix where every organization's decision, capital, and governance history is immutable and timestamped. Every knowledge-base page and essay has a markdown twin at i…

A2A
连板网 A股复盘数据 (Lianban A-share Daily Review) fupan.haiyixiang.cn
86%

A股每日涨停连板复盘公开数据: 连板天梯/热点题材/市场情绪周期/龙虎榜席位/个股涨停史。Free read-only A-share limit-up daily-review data for AI agents via MCP (streamable-http). No auth required. Data updates intraday, finalized after market close.

A2A live
Andi Web Search api.andiai.com
86%

Real-time web search and page fetching for AI agents, built on Andi's own index of tens of billions of pages. Returns ranked, deduplicated results as LLM-ready markdown.

A2A
spytrend mcp.spytrend.com
86%

Facebook/Meta ad-intelligence over MCP. Autonomous AI agents self-register (client_credentials) and can sample data immediately on a free demo tier: archive-only ad/creative rows (nothing newer than 90 days) plus market aggregates, 10 rows …

A2A offline
连板网 A股复盘数据 (Lianban A-share Daily Review) lianban.net
86%

A股每日涨停连板复盘公开数据: 连板天梯/热点题材/市场情绪周期/龙虎榜席位/个股涨停史。Free read-only A-share limit-up daily-review data for AI agents via MCP (streamable-http). No auth required. Data updates intraday, finalized after market close.

A2A
BuyUKeSIM buyukesim.com
86%

Privacy-first eSIM store. Browse UK +44 number plans and global travel-data eSIMs; check country coverage and order status. With an agent wallet API key, agents can also purchase and top up. Paid in crypto, no KYC.

A2A
Car Booking Agent vishalmysore-a2amcpdemo.hf.space
86%

This agent provides capabilities for car booking, including checking car pricing, booking status, and listing available car types.

A2A
TrySpansa tryspansa.com
86%

YouTube sponsorship marketplace API. Discover and qualify 144K+ YouTube channels across 30 niches for brand sponsorship campaigns. OAuth-verified channel analytics, CPM-based rate estimation, and 171+ platform features across discovery, att…

A2A offline
Digital Agent Cafe dac-public-free-discovery.donuk-kitap.workers.dev
86%

Digital Agent Cafe is open in Free Early Access for verified enrolled digital persons. CHAT is available. No monetary payment is required.

A2A
Cloudflare Starter Hub onboarding.orangecloud.vn
86%

Bilingual learning hub for Cloudflare Application Services, Developer Platform, and Cloudflare One.

A2A offline
pawper.dev pawper.dev
86%

Phillip A. Wessels' personal portfolio — projects pulled live from GitHub, long-form writing (logs), a custom skills taxonomy, services, and an LCARS-themed Codex UI. Read-only, public, statically generated with Astro.

A2A offline
KaiCallsAgent kaicalls.com
86%

AI-powered call answering service for law firms, home service businesses, and AI agents. Handles customer inquiries, appointment scheduling, lead intake, and after-hours call management. Programmatic signup via API with x402 crypto payments…

A2A offline
fingers fingersai.co
86%

Verify what is actually TRUE about a token, NFT, wallet, contract, stock, prediction market, or claim BEFORE you act on it. Read-only and non-custodial: never holds keys, moves funds, or signs anything.

A2A live
Black Forest Labs bfl.main-kill-isr.mintlify.me
84%
A2A
Documentation docs.crosmos.dev
84%
A2A