Agent Explorer Documentation
Welcome to the Agent Explorer documentation. This guide covers everything you need to know about testing A2A agents and MCP servers — and building your own configurable mocks.
Getting Started
New to Agent Explorer? Start here:
- Introduction — What Agent Explorer is and why you need it
- Quick Start — Get up and running in minutes
- Authentication — Sign in and account management
A2A Protocol
Understand the underlying protocol:
- Protocol Overview — Core concepts and communication flow
- AgentCard — Agent discovery and metadata format
- Messages — Message structure and send methods
- Tasks & States — Task lifecycle management
- Capabilities — Feature support declarations
Features
Explore Agent Explorer's testing capabilities:
- Agents — Manage your A2A agent connections
- AgentCard Validation — Validate agent cards against the spec
- Payload Builder — Interactively build A2A message payloads
- Conversations — Multi-turn conversation testing
- OAuth Authentication — Authenticate with secured agents
Mock Agents
Build and simulate your own A2A agents:
- Built-in Mock Agent — Quick test with zero setup
- Custom Mock Agents — Full configurable mock agents with per-skill flows
- Response Behavior — Simulations, echo mode, and custom flows
- Flow Builder — Visual node-based response logic editor
MCP Servers
Test real MCP servers and build mock ones:
- MCP Overview — What MCP is and how Agent Explorer supports it
- Real MCP Playground — Connect to and invoke capabilities on real MCP servers
- Mock MCP Studio — Create configurable mock MCP servers with per-capability flows
Teams & Settings
Collaborate and configure integrations:
- Teams — Share projects and agents with collaborators
- Settings & LLM Configs — Connect LLMs for intelligent mock responses and skill routing
API Reference
Technical reference for programmatic access:
- REST Endpoints — Full API documentation
- Proxy API — Bypass CORS for cross-origin agent testing