Cortex Code Agent SDK-Referenz – Python¶

from cortex_code_agent_sdk import CortexCodeSDKClient, CortexCodeAgentOptions, AssistantMessage

async with CortexCodeSDKClient(CortexCodeAgentOptions(permission_mode="bypassPermissions", allow_dangerously_skip_permissions=True)) as client:
    # First turn
    await client.query("What files are in this directory?")
    async for msg in client.receive_response():
        if isinstance(msg, AssistantMessage):
            for b in msg.content:
                if hasattr(b, "text"):
                    print(b.text, end="")

    # Second turn (context preserved)
    await client.query("Now refactor the main function")
    async for msg in client.receive_response():
        if isinstance(msg, AssistantMessage):
            for b in msg.content:
                if hasattr(b, "text"):
                    print(b.text, end="")

from typing import Any

from cortex_code_agent_sdk import (
    CortexCodeAgentOptions,
    PermissionResultAllow,
    PermissionResultDeny,
    ToolPermissionContext,
)

async def my_permission_handler(
    tool_name: str,
    tool_input: dict[str, Any],
    context: ToolPermissionContext,
) -> PermissionResultAllow | PermissionResultDeny:
    if tool_name == "Write" and str(tool_input.get("resource", "")).endswith(".env"):
        return PermissionResultDeny(message="Writing env files is not allowed")
    return PermissionResultAllow()

options = CortexCodeAgentOptions(can_use_tool=my_permission_handler)

CanUseTool = Callable[
    [str, dict[str, Any], ToolPermissionContext],
    Awaitable[PermissionResult],
]

@dataclass
class ToolPermissionContext:
    signal: Any | None = None
    blocked_path: str | None = None
    decision_reason: str | None = None
    tool_use_id: str = ""
    agent_id: str | None = None

@dataclass
class PermissionResultAllow:
    behavior: Literal["allow"] = "allow"
    updated_input: dict[str, Any] | None = None
    tool_use_id: str | None = None

@dataclass
class PermissionResultDeny:
    behavior: Literal["deny"] = "deny"
    message: str = ""
    interrupt: bool = False
    tool_use_id: str | None = None

options = CortexCodeAgentOptions(
    mcp_servers={
        "external": {
            "command": "npx",
            "args": ["-y", "@modelcontextprotocol/server-filesystem", "/tmp"],
         },
     },
 )

from cortex_code_agent_sdk import (
    query, CortexCodeAgentOptions, ResultMessage,
    CortexCodeSDKError, CLINotFoundError, CLIConnectionError,
)

try:
    async for message in query(prompt="...", options=CortexCodeAgentOptions()):
        if isinstance(message, ResultMessage) and message.is_error:
            print(f"Agent error ({message.subtype}): {message.result}")
except CLINotFoundError:
    print("Cortex CLI not found. Is it installed and on PATH?")
except CLIConnectionError:
    print("Failed to connect to CLI process")
except CortexCodeSDKError as e:
    print(f"SDK error: {e}")