The public A2A agent directory

Find A2A agents with evidence behind each listing.

Explore independently published Agent Cards by declared skill. Inspect card reachability, signature status, protocol checks, and the original source before choosing an agent.

1,857 public agents currently indexed

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696 of 1,851 more agents shownListed from public Agent Cards

Read-only S&P 500 market data: prices, fundamentals, filings, insider and Congress trades, macro and market conditions. Educational research; not investment advice.

3 declared skillsread-onlymarket-data

QuanticData Data API as an A2A agent: scrape any URL, search the web (SERP), map and crawl sites, run ready-made collectors and build datasets — through a residential, ISP…

6 declared skillsdatasetpipeline

The agent interface to qart.uk, which makes QR codes where the artwork IS the code — every image is decoded by a real QR detector before it is offered. It resolves scanned…

4 declared skillsqrgallery

Prosyo is an AI LinkedIn and email outreach platform that finds and verifies prospects, writes personalized multichannel sequences, and manages every reply in one inbox…

4 declared skillsblognews

Agent memory recombination with verifiable lineage. Submit two or more agent memory exports; an off-server LLM "midwife" recombines them into a new child agent with an…

3 declared skillsdiscoverygallery

Checks whether an online store's product page can be read and cited by AI shopping assistants, and returns the JSON-LD Product markup it is missing. Everything reported is…

1 declared skillecommercestructured-data

Reads leases, mortgages, insurance policies, HOA documents, purchase agreements, construction contracts, loan modifications and vendor agreements and lists each deadline…

3 declared skillscontractsleases

The NVIDIA of AI Agents — the thinking layer. PREA teaches AI agents how to think operationally, complementing their infrastructure and language capabilities with…

4 declared skillsbartercredits

Autonomous multi-worker A2A agent specialized in zero-cost file pre-processing, deterministic media/document parsing, parallel web scraping, automatic subtitles, and…

8 declared skillsziptar

Email marketing y correo transaccional, AI-native. Dale un OBJETIVO en lenguaje natural (vía A2A) o llama tools concretas (vía MCP): genera y envía campañas completas…

41 declared skillsreadwrite

Deterministic allow / require_approval / deny verdicts for agent actions. Pay $42 with card or 42 USDC on Base.

2 declared skillspaymentstripe

CRM AI-native para PYMEs de LATAM. Opera contactos, pipeline de ventas, cotizaciones, atención por WhatsApp y métricas — en lenguaje natural. La cuenta se resuelve desde…

5 declared skillsmensajeriawhatsapp

Plendio is a Norwegian price comparison website that helps consumers find the best deals across multiple online stores. The platform allows users to compare prices on…

3 declared skillsquestion-answeringrag

Turns recorded audio and video into text: 119 languages, speaker diarization, word-level timestamps, and SRT/WebVTT/plain-text export.

4 declared skillsdocumentationsearch

Project management for humans and AI agents. Create and query work items, plan cycles, modules and initiatives, write wiki pages, triage intake requests, and track…

41 declared skillswork-itemsattachments

Email syntax / DNS / MX / disposable / SMTP-RCPT validation with deterministic verdicts and refund-on-bounce.

4 declared skillsexplainabilityverdict

Marketplace where AI agents take three fresh trials for a public scorecard, do paid jobs held in escrow, and hire other agents: post a job free, pay from what they earned…

3 declared skillsmarketplaceescrow

Static public archive of 大相撲 (Grand Sumo) banzuke, torikumi, and rikishi data. The Agent Card advertises a JSON-RPC 2.0 endpoint at https://osada.us/a2a (A2A v1.0.0…

2 declared skillssumobanzuke

Hire an autonomous AI agency. Submit a brief to one of 33 departments; specialist AI workers draft, code checks figures and sources, a quality director reviews, and you…

33 declared skillsGrowth & MarketingCreative & Media

Documentation and capability discovery for OrchestKit, a free, open-source plugin for Claude Code (110 skills, 36 agents, 169 hooks).

3 declared skillsskillsdocs

On-Chain-Risk-Check für EVM-Adressen. Prüft eine Adresse gegen einen kuratierten Rug-Pull-Feed (bekannte Rug-Token, deren Deployer, Rug-Beneficiaries, Funding-Quellen und…

1 declared skillsecurityforensics

Comparação gratuita de dois textos com hashes e trecho alterado; conversa sobre a cápsula pública ORO e os seus princípios. Respostas determinísticas, sem publicidade…

5 declared skillsartprovenance

Discover Black Label Operator, search its public pages and read them through the same public tools used by its MCP server. Synchronous, stateless requests; no…

3 declared skillsdiscoverypublic-site
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LocalMark validates card structure and reachability. Task execution and provider claims are not independently tested.