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ChatGPT refuses MCP tool calls while Claude succeeds first try
The author reports Claude called his ContentMaschine MCP tools on the first try while ChatGPT refused, and is now retesting with Terra.
Marcus Horndt
@marcushorndtArchived 8 hours agoOriginally posted 2026.10.27
Marcus Horndt @marcushorndtOriginally posted 2026.10.27
"Takes action across apps." This morning I asked why ChatGPT refuses to call my MCP tools, while Claude used them on the first try. Testing Terra against the same ContentMaschine connector today. Results tomorrow.
This post quotes another post: x.com/openai/status/2114780711664398349
x.com/marcushorndt/status/2115051805398929869Archived 2026.10.28 11:30