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Horus

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Why Claude Code or Cursor rejects your MCP tool schema

Why Claude Code or Cursor rejects your MCP tool schema

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8 min read

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Fixing spawn npx ENOENT for MCP servers on Windows

Fixing spawn npx ENOENT for MCP servers on Windows

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5 min read
A do-nothing agent can pass your "must not call" tests

A do-nothing agent can pass your "must not call" tests

Comments 1
6 min read
Testing the tool calls an agent makes to a filesystem tool set (10 cases, no model needed)

Testing the tool calls an agent makes to a filesystem tool set (10 cases, no model needed)

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Comments 2
9 min read
How to catch tool-calling regressions in CI on every prompt change

How to catch tool-calling regressions in CI on every prompt change

Comments 2
5 min read
Four things readers taught us about testing tool calls in AI agents

Four things readers taught us about testing tool calls in AI agents

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4 min read
How to test tool calling in your AI agent, one decision at a time

How to test tool calling in your AI agent, one decision at a time

Comments 16
4 min read
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