crewAIInc/crewAI · error · ValueError

You need to provide at least one app name

Error message

You need to provide at least one app name

What it means

Error "You need to provide at least one app name" thrown in crewAIInc/crewAI.

Source

Thrown at lib/crewai-tools/src/crewai_tools/tools/composio_tool/composio_tool.py:106

                action_schema.parameters.model_dump(
                    exclude_none=True,
                )
            ),
            composio_action=function,
            **kwargs,
        )

    @classmethod
    def from_app(
        cls,
        *apps: t.Any,
        tags: list[str] | None = None,
        use_case: str | None = None,
        **kwargs: t.Any,
    ) -> list[te.Self]:
        """Create toolset from an app."""
        if len(apps) == 0:
            raise ValueError("You need to provide at least one app name")

        if use_case is None and tags is None:
            raise ValueError("Both `use_case` and `tags` cannot be `None`")

        if use_case is not None and tags is not None:
            raise ValueError(
                "Cannot use both `use_case` and `tags` to filter the actions"
            )

        from composio import ComposioToolSet

        toolset = ComposioToolSet()
        if use_case is not None:
            return [
                cls.from_action(action=action, **kwargs)
                for action in toolset.find_actions_by_use_case(*apps, use_case=use_case)
            ]

View on GitHub (pinned to 754d7323be)

Solutions

1. Pass at least one app name when constructing the Composio tool.

When it happens

Trigger: Thrown at lib/crewai-tools/src/crewai_tools/tools/composio_tool/composio_tool.py:106 when the library encounters an invalid state.

Common situations: Occurs when ComposioTool is created without any app names. Pass at least one app name to the constructor.

AI-assisted analysis of crewAIInc/crewAI@754d7323be (2026-08-15). Data as JSON: /api/errors/fa986376c34fd0b2. Report an issue: GitHub.