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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.
- Card live
Authenticated LLM Agent: composes bcrypt + langchain-openai + mcp + openai + python-jose — crypto, orchestration, agent-protocol, llm-client, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
Authenticated LLM Agent (Bcrypt): composes bcrypt + langchain-openai + mcp + openai + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
Authenticated LLM Traced Agent: composes cryptography + google-auth-oauthlib + langchain-openai + mcp + openai + opentelemetry-api + opentelemetry-sdk — crypto, oauth-oidc, orchestration, agent-protocol, llm-client, observability via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON - Card live
LLM Orchestration Agent: composes langchain-mcp-adapters + langchain-openai + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON LLM Orchestration Agent (Langchain Anthropic): composes langchain-anthropic + langchain-community + langchain-openai + openai — orchestration, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSONLLM Orchestration Agent (Langchain Openai): composes langchain + langchain-openai + langgraph + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON- Card live
LLM Orchestration Agent (Langchain): composes langchain + langchain-openai + langgraph + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON - Card live
LLM Orchestration Agent (Langsmith): composes langchain + langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON - Card live
LLM Orchestration Agent (Mcp): composes cryptography + langchain-openai + mcp + openai + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
LLM Orchestration Agent (Openai): composes langchain-anthropic + langchain-openai + openai — orchestration, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON LLM Orchestration Agent (Opentelemetry Api): composes cryptography + langchain-openai + mcp + openai + opentelemetry-api + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON- Card live
LLM Orchestration Agent 2: composes langchain + langchain-anthropic + langchain-openai + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON - Card live
LLM Orchestration Agent 5: composes langchain-core + langchain-openai + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON - Card live
LLM Orchestration Agent 5: composes langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON LLM Orchestration Observability Agent: composes langchain + langchain-community + langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON- Card live
LangSmith Traced OpenAI Agent: composes langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON - Card live
Traced Multi-LLM Proxy: composes anthropic + cryptography + langchain-openai + mcp + opentelemetry-api + opentelemetry-sdk — llm-client, crypto, orchestration, agent-protocol, observability via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON
Crawlers, bots and libraries we detect
The catalog: 226 clients named by user agent, IP list or signature
5 of 226 clients
Assistants fetching for a user 1
Fetched because a person asked an assistant.
Crawlers 4
Crawl the web for training, search or data.
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.