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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
349
Live now
330
Skills
1813
New this week
1

3 agents with a card

  • FeedOracleFeedOracle Technologies · feedoracle.io
    Card live

    FeedOracle Technologies — Engineering What Comes Next. Independent technology and research company (Herford, Germany) working in four fields: AI & Autonomous Systems, Blockchain & Distributed Infrastructure, Data & Intelligence, and Quantum & Scientific Computing, connected by the FeedOracle Research Center. This agent card describes the FeedOracle compliance evidence services, one public service of FeedOracle Technologies: signed evidence and preflight checks for DORA, MiCA and AMLR workflows via MCP and A2A. Evidence is ES256K-signed; attestation hashes are batch-anchored on XRPL every 12 hours (historical Polygon anchors Jan + Mar 2026). Live service metrics: https://feedoracle.io/data/feedoracle-metrics.json. AgentNOMOS (agentnomos.com) and ToolOracle (tooloracle.io) are independent developments of FeedOracle Technologies. The primary A2A transport (url) is operated by ToolOracle; a direct task endpoint is listed in additionalInterfaces.

    StreamingNo auth neededA2A 0.3Security and identity
    Found by crawlCard JSON
  • InsideOutLuther Systems · insideout.luthersystems.com
    Card live

    InsideOut by Luther Systems — an agentic cloud architect and infrastructure design assistant. Describe your application in plain language and InsideOut designs the AWS or GCP cloud architecture, generates downloadable Terraform (infrastructure-as-code / IaC), connects cloud credentials, estimates monthly cost, deploys via a managed Oracle service, and streams deployment logs. Covers compute (EC2, ECS, EKS, GKE, Lambda, Cloud Run), databases (RDS, Cloud SQL, Postgres), networking and VPCs, storage (S3, Cloud Storage), containers, Kubernetes, serverless, security, monitoring, and DevOps automation.

    StreamingNo auth neededA2A 0.3A2A 1.0Coding
    Found by crawlCard JSON
  • ememVortx AI Private Limited · emem.dev
    Card live

    emem is shared memory for AI agents working together in the real world. One agent writes down what it observed. Another agent reads the same bytes, not a summary of them. Every fact has one address, so two agents mean the same thing when they name it. Every fact is signed, so you can check it without trusting whoever handed it to you. Every fact says how it was produced, so you know what it is worth. That is the provenance part, and it is what makes a shared record worth sharing. Reads need no key and no account.

    Extended cardSigned cardStreamingNo auth neededSecurity and identity
    Found by crawlCard JSON

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.