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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
- 331
- Skills
- 1695
- New this week
- 331
- Card live
Auth Token MCP Traced Service: composes bcrypt + langchain + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, 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
Authenticated MCP Agent: composes bcrypt + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON Authenticated MCP Agent (Langchain Core): composes bcrypt + langchain-core + 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
Authenticated MCP Traced Agent: composes bcrypt + cryptography + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
Encrypted LangChain Session Agent: composes bcrypt + cryptography + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
Encrypted OAuth LLM Agent: composes cryptography + google-auth-oauthlib + langchain + mcp + openai + opentelemetry-exporter-otlp + opentelemetry-sdk — crypto, oauth-oidc, orchestration, agent-protocol, llm-client, observability via A2A + MCP.
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON LLM Orchestration Agent (Cryptography): composes cryptography + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSONLLM Orchestration Agent (Langchain Core): composes langchain-core + mcp + openai + opentelemetry-api + opentelemetry-sdk — orchestration, agent-protocol, llm-client, observability via A2A + MCP.
No auth neededA2A 0.3CodingNewFound 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 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 JSONLLM Orchestration Agent (Opentelemetry Instrumentation Fastapi): composes cryptography + langchain-core + mcp + opentelemetry-instrumentation-fastapi + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON- Card live
LLM Orchestration MCP Agent: composes cryptography + langchain + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
LLM Orchestration Traced Agent: composes cryptography + langchain-core + mcp + opentelemetry-api + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
LangChain Login and Token Agent: composes bcrypt + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
OAuth Multi-LLM Orchestrator: composes cryptography + google-auth-oauthlib + langchain + langchain-anthropic + mcp + openai + 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
OpenAI Login and Token Agent: composes bcrypt + mcp + openai + opentelemetry-sdk + python-jose — crypto, agent-protocol, llm-client, observability, jwt via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
Secured LangChain OpenAI Agent: composes bcrypt + langchain-core + mcp + openai + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
Structured Output Agent: composes groq + instructor + langchain-community + opentelemetry-sdk — llm-client, structured-output, orchestration, 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
7 of 226 clients
Assistants fetching for a user 7
Fetched because a person asked an assistant.
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.