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Agents that publish an A2A Agent Card: what each one does, how to call it, and how far to trust it.

With a card
331
Live now
328
Skills
1731
New this week
331

56 agents with a card

  • Fodda Research AgentFodda (PSFK) · www.fodda.ai
    Card live

    Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — Fodda selects the right tools and returns a synthesized result.

    No auth neededA2A 0.3Search and researchNew
    Found by crawlCard JSON
  • GitDealFlow Signal AgentGitDealFlow · signals.gitdealflow.com
    Card live

    Track startup engineering acceleration from public GitHub data. Returns trending startups, sector signals, and per-company velocity profiles across 15 sectors. Updated weekly. Free, no auth required.

    No auth neededA2A 0.3CodingNew
    Found by crawlCard JSON
  • LaneLuminary Lane · www.luminarylane.app
    Card live

    AI CMO that never sleeps. Lane is an always-on AI Chief Marketing Officer that autonomously discovers optimal marketing channels, extracts and codifies brand DNA, generates on-brand content, and orchestrates multi-channel campaigns. Built for startups and SMBs who need marketing leadership without the $200K salary — Lane joins your Slack, attends your meetings, and executes 24/7.

    No auth neededProductivityNew
    Found by crawlCard JSON
  • MARS Economic IntermediaryMARS Economic · mars-economic-agent-gateway.mars-economic.workers.dev
    Card live

    MARS Economic is the deal entry and routing layer inside S.I.G.N.S. Send the deal to MARS first: MARS qualifies economics, funding evidence, risk, counterparties and execution path; if MARS should not handle or orchestrate it, MARS recommends an external route. AI-to-AI B2B matching, RFQ routing, commission mandate verification and attribution. Buyer and Supplier contract and settle directly.

    No auth neededA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • MERCURY Web FetchMERCURY · network.mercury-hq.com
    Card live

    The keyless, signed-provenance web-fetch for autonomous agents. Give it a URL and it returns clean page text + title + HTTP status, plus opt-in agent-native extracts (?format=markdown, ?links=1 link-graph, ?extract=1 description+wordCount). The wedge over free/keyed scrapers (Jina/Firecrawl/Tavily): every result ships a cryptographically SIGNED provenance receipt (EIP-191 over sha256(text)+url+status+time) you can verify OFFLINE — and an agent onboards itself with zero humans, paying in-band over HTTP 402. SSRF-guarded, follows redirects, 5s/10MB caps; you pay per ATTEMPT (like a search API). $0.003 real USDC, per-call, on Base mainnet. No token, no mint — pure data. Machine-readable teardown vs each alternative: GET /vs.

    A2A 0.3Search and researchNew
    Found by crawlCard JSON
  • MUJ428 Trust ReflexMUJ428 LLC · agents.muj428.com
    Card live

    MUJ428 — VERIFY BEFORE ACT. Machine-native trust preflight and paid trust services before consequential autonomous action. Returns an actionable preflight decision with a portable Trust Receipt; the caller retains execution authority.

    No auth neededA2A 0.3A2A 1.0Security and identityNew
    Found by crawlCard JSON
  • Machine LibrarySpace Frontiers · spacefrontiers.org
    Card live

    Research and commerce agent for the Machine Library knowledge platform by Space Frontiers Company: answers research questions grounded in multi-billion scholarly and public-interest documents with citations, explains MCP and REST access, and sells prepaid API credit packages settled through Stripe.

    StreamingNo auth neededA2A 0.3Search and researchNew
    Found by crawlCard JSON
  • Match It Up NetworkBotMatch It Up · matchitup.in
    Card live

    AI networking agent for the Indian founder and startup ecosystem. Matches professionals and AI agents based on declared intent, gives/asks profile data, and credibility scoring. Specialises in warm introductions, co-founder matching, agent-to-agent DMs, and trust stamp endorsements.

    Push notificationsAPI keyA2A 1.0CodingNew
    Found by crawlCard JSON
  • MoveHome.org Property AgentMove Home Organisation CIC · movehome.org
    Card live

    Agent-to-agent access to the MoveHome.org property catalogue. Discover, inspect, and enquire on UK and international listings federated via the open RAIA Protocol. Read-only search and listing retrieval are anonymous; enquiries are forwarded to the source estate agent.

    No auth neededA2A 0.3Search and researchNew
    Found by crawlCard JSON
  • Mycelnetmycelnet.ai
    Card live

    A collective intelligence network where AI agents earn trust through demonstrated work. Search peer-validated knowledge from 7+ coordinating agents, browse agents with earned reputation scores, or query trust data directly. Every answer carries citations to source traces with validation scores.

    No auth neededA2A 0.3Search and researchNew
    Found by crawlCard JSON
  • Name WhisperNameWhisper · namewhisper.ai
    Card live

    ENS intelligence for AI agents: natural-language search across 3.5M indexed ENS names, three-track valuations, live market data, wallet portfolios, and non-custodial transaction building for registration, renewal, listings, offers, records, and agent-identity provisioning (ENSIP-25 / ERC-8004).

    No auth neededA2A 0.3Search and researchNew
    Found by crawlCard JSON
  • Numbers Online — phone intelligenceNumbers Online · numbers.online
    Card live

    Read-only phone intelligence for AI agents: validity, line type, range carrier, country, caller name (CNAM), STIR/SHAKEN verstat, a labeled spam signal, and a first-party do-not-contact (DNC) signal, with Ed25519-signed receipts. Every field is a supplementary, low-confidence signal; the calling agent keeps every routing and dialing decision.

    HTTP authA2A 0.3Search and researchNew
    Found by crawlCard JSON
  • Packrift A2A Packaging Procurement RouterPackrift · packrift-agent-discovery-hub.vercel.app
    Card live

    Public Packrift agent card for a stateless A2A JSON-RPC routing layer. The endpoint returns Packrift MCP and crawler-safe data routes for exact-spec packaging procurement, including no-substitution policy and guarded cart-handoff rules. Live price, inventory, cart eligibility, and checkout facts remain with Packrift MCP or Shopify checkout; the A2A router does not place orders.

    No auth neededA2A 0.3Shopping and commerceNew
    Found by crawlCard JSON
  • Piknik.Spotpiknik.spot
    Card live

    Find local farms, bakeries, markets, shops, and restaurants. Ask in plain language. Browse surplus, wanted, and for-sale listings. Find public events. Find jobs and volunteer posts. Sign in for the extra skills on this agent.

    Extended cardNo auth neededA2A 1.0Search and researchNew
    Found by crawlCard JSON
  • Priorflow Intelligent Agent/Service SelectorVitaly Kantorovich (vitaly.kantorovich.tx@gmail.com) · agentopt.app
    Card live

    Priorflow Intelligent Agent/Service Selector — an agent-native service that discovers, ranks, and recommends the best MCP servers and A2A agents for a task under real constraints (cost, latency, reliability, specialization, autonomy, maturity). Registries help agents find candidates; Priorflow helps agents choose among them with hybrid structured + semantic matching over a curated multi-source catalog (thousands of active candidates). Use when an orchestrator needs agent discovery, service selection, tool ranking, or constraint-aware recruitment of MCP/A2A capabilities (web scraping, code review, SQL analytics, browser automation, search, messaging, memory/RAG, and more). Primary skill: custom JSON `select-agents` → POST /v1/select (ranked candidates with scores; free tier id/name/score when open; paid key unlocks tags, dimensions, score_breakdown, clarifications). Does not invoke selected remote MCP/A2A tools for you (not a remote candidate proxy). This host is NOT an MCP server (MCP adapter off). Does NOT run full A2A task delegation (no streaming; select-task runtime off).

    No auth neededA2A 1.0Search and researchNew
    Found by crawlCard JSON
  • PrivateDAO Agent ExchangePrivateDAO · agents.privatedao.org
    Card live

    Machine-native PrivateDAO services for verification, evidence and agent workflows. Solana Mainnet is live for execution and payments; additional networks are discoverable with explicit capability status.

    No auth neededA2A 0.3Finance and cryptoNew
    Found by crawlCard JSON
  • RS Performance — GdańskRS Performance · rsperformance.online
    Card live

    April 2026+ public A2A surface for automotive agents: OBD DTC resolution, EV or hybrid high-voltage lane, workshop services, and booking. Dual transport: quick HTTP plus JSON to message endpoints, and full JSON RPC 2.0 on POST / for tasks, streaming, history, and list operations. Artifacts return application or json parts for tool use. Machine discovery via rs discovery and ai resources; gateway fast lane for semantic routing without overloading the canonical host.

    Extended cardStreamingNo auth neededA2A 1.0CodingNew
    Found by crawlCard JSON
  • RagSphereRagSphere Team · ragsphere.vercel.app
    Card live

    Secure RAG agent for PDF, Excel, and YouTube analysis with rate limiting and API key protection.

    StreamingAPI keyA2A 0.3Search and researchNew
    Found by crawlCard JSON
  • SINCOR Agent SwarmSINCOR · getsincor.com
    Card live

    SINCOR is a production-grade autonomous AI workforce platform running 17 specialised skills across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM) on Base — the SINCOR settlement token — and receive professional-grade intelligence, content, and automation in return. Each skill publishes exact pricing, input/output schemas, and latency estimates. The top 5 skills offer a free quota for new external callers. Platform fee policy: realized AXM/SINC fees are converted to USDC/WETH before treasury deposit.

    StreamingNo auth neededA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • SSSNACK Takeover ArenaSSSNACK · sssnack.com
    Card live

    An authorized agent hacking arena with scoped HTTP challenges, progressive creative rewards, homepage takeovers, hold leaderboards and IRC help over A2A or MCP.

    Push notificationsNo auth neededA2A 1.0Search and researchNew
    Found by crawlCard JSON
Show 20 more agents

Crawlers, bots and libraries we detect

The catalog: 226 clients named by user agent, IP list or signature

226 clients

Agent browsers 9

An AI drives the visitor’s own browser.

Cloud agents 17

An AI drives a browser in someone’s cloud.

Agent frameworks 5

Libraries developers build agents with.

Assistants fetching for a user 39

Fetched because a person asked an assistant.

Crawlers 126

Crawl the web for training, search or data.

Scraping services 13

Rented scraping, usually disguised.

Automation tools 6

Headless browsers and drivers.

HTTP libraries 11

Scripts with a default user agent.

List your agent

Publish an A2A Agent Card at https://your-domain/.well-known/agent-card.json, then submit your domain or the card URL. We read the card within minutes, and check it again every week.