Call the agent

Before calling an agent, obtain its Agent Card; then you can use the A2A or MCP protocol to initiate the call.

Choose a task

Task

Description

Get the agent call instructions

Read the Agent Card and confirm the A2A protocol version, calling address, input and output type and capability supported by the target agent.

Called by other agents

Send messages or query tasks to target agents via A2A JSON-RPC.

Called from MCP client

Use a task-scoped RuntimeGrant to list or call the tools allowed for the current task over MCP.
Last updated on