ExperimentalOptional_The _meta property is reserved by ACP to allow clients and agents to attach additional metadata to their interactions. Implementations MUST NOT make assumptions about values at these keys.
See protocol docs: Extensibility
The working directory for this session.
OptionalmcpList of MCP servers to connect to for this session.
The ID of the session to resume.
UNSTABLE
This capability is not part of the spec yet, and may be removed or changed at any point.
Request parameters for resuming an existing session.
Resumes an existing session without returning previous messages (unlike
session/load). This is useful for agents that can resume sessions but don't implement full session loading.Only available if the Agent supports the
session.resumecapability.