# card-magic-mcp [](https://github.com/luochang212/card-magic-mcp) [](https://pypi.python.org/pypi/card-magic-mcp) [](https://pepy.tech/project/card-magic-mcp) [; decode_cards_tool (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint). OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tool test coverage
Only 0/2 tools referenced in tests (0%)
Write tests that reference each tool by name so every tool has at least one test.
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