[cle]

What you described is essentially how it works. The LLM has no control over how the inputs & outputs are validated, nor in how the result is fed back into it.

The MCP interface (Claude Code in this case) is doing the schema checks. Claude Code will refuse to provide the result to the LLM if it does not pass the schema check, and the LLM has no control over that.

[whoknowsidont]

>The LLM has no control over how the inputs & outputs are validated

Which is completely fucking irrelevant to what everyone else is discussing.

[dragonwriter]

> > The LLM has no control over how the inputs & outputs are validated

> Which is completely fucking irrelevant to what everyone else is discussing.

Not sure what you think is going on, but that is literally the question this subthread is debating, starting with an exchange in which the salient claims were:

From: https://news.ycombinator.com/item?id=44849695

> Claude Code validated the response against the schema and did not pass the response to the LLM.

From: https://news.ycombinator.com/item?id=44850894

> This time.

> Can you guarantee it will validate it every time ?