MCP host

The user-facing AI application coordinating one or more MCP clients. Host policy determines which server capabilities are exposed to the model or user.

Terms this definition uses

MCP client

Agents and protocols

How autonomous agents plan, remember, call tools and talk to each other, including MCP and A2A, and where each step can go wrong.

AI agent · Agent loop · Planner · Executor · Agent memory · Working memory · Long-term memory · Episodic memory · Semantic memory · Agent orchestration · Multi-agent system · Agent handoff · Delegation · Tool result · Tool schema · Tool description · Tool selection · Tool permission · Human-in-the-loop · Human-on-the-loop · Approval gate · Agent sandbox · Agent identity · Agent authorization · Agent discovery · Capability negotiation · MCP server · MCP client · MCP resource · MCP prompt · MCP tool · MCP transport · JSON-RPC · A2A protocol · A2A client · A2A server · Agent skill · Agent task · Agent artifact

← MCP client · MCP resource →

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