tag

#silent-failure

4 articles

The MCP SDK silently accepts plain JSON Schema objects for tool parameters. Inputs arrive as undefined. Only Zod schemas validate at runtime.

Claude Code silently ignores env vars in settings.json for MCP servers. Move them to .mcp.json at your project root or nothing works.

When command routing fails silently, the LLM fills the gap with confident fabrications. The user never knows the tool didn't run.

Telling a cron agent to 'stop silently' doesn't work — the model narrates it anyway. Here's the phrasing that actually suppresses output.