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feat: add agent_card to agent engine spec #5945

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feat: add agent_card to agent engine spec #5945

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12 changes: 12 additions & 0 deletions vertexai/_genai/agent_engines.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1229,6 +1229,18 @@ def _create_config(
agent=agent,
)
)

if hasattr(agent, "agent_card"):
agent_card = getattr(agent, "agent_card")
if agent_card:
try:
agent_engine_spec["agent_card"] = agent_card.model_dump(
exclude_none=True
)
except TypeError as e:
raise ValueError(
f"Failed to convert agent card to dict (serialization error): {e}"
) from e
update_masks.append("spec.agent_framework")

if identity_type is not None or service_account is not None:
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7 changes: 7 additions & 0 deletions vertexai/_genai/types/common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4797,6 +4797,10 @@ class ReasoningEngineSpecSourceCodeSpecDict(TypedDict, total=False):
class ReasoningEngineSpec(_common.BaseModel):
"""The specification of an agent engine."""

agent_card: Optional[dict[str, Any]] = Field(
default=None,
description="""Optional. The A2A Agent Card for the agent (if available). It follows the specification at https://a2a-protocol.org/latest/specification/#5-agent-discovery-the-agent-card.""",
)
agent_framework: Optional[str] = Field(
default=None,
description="""Optional. The OSS agent framework used to develop the agent. Currently supported values: "google-adk", "langchain", "langgraph", "ag2", "llama-index", "custom".""",
Expand Down Expand Up @@ -4834,6 +4838,9 @@ class ReasoningEngineSpec(_common.BaseModel):
class ReasoningEngineSpecDict(TypedDict, total=False):
"""The specification of an agent engine."""

agent_card: Optional[dict[str, Any]]
"""Optional. The A2A Agent Card for the agent (if available). It follows the specification at https://a2a-protocol.org/latest/specification/#5-agent-discovery-the-agent-card."""

agent_framework: Optional[str]
"""Optional. The OSS agent framework used to develop the agent. Currently supported values: "google-adk", "langchain", "langgraph", "ag2", "llama-index", "custom"."""

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