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James O'Connor

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Your schema validation passes and the agent still picks the wrong tool. The bug is semantic.

Your schema validation passes and the agent still picks the wrong tool. The bug is semantic.

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2 min read

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Validate your Pydantic schema before the LLM call, not after.

Validate your Pydantic schema before the LLM call, not after.

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1 min read
MCP tool naming: 6 patterns ranked by how well they survive a refactor

MCP tool naming: 6 patterns ranked by how well they survive a refactor

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7 min read
Pydantic V2 discriminator pattern for MCP return types

Pydantic V2 discriminator pattern for MCP return types

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Comments
1 min read
We renamed two MCP tools and our agent's tool-call accuracy went from 71% to 94%

We renamed two MCP tools and our agent's tool-call accuracy went from 71% to 94%

Comments
3 min read
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