>_ tool archive

Cursor fixes & guides

5 guides · what breaks in Cursor, why it happens, and the exact steps that fix it.

MCP & tool limits

cursor Aug 23, 2026· 4 min read

Cursor's agent stopped using some of your MCP tools — here's the 40-tool ceiling nobody warns you about

Cursor caps MCP tools at 40 active across all servers combined — cross it and the agent silently loses access to some, or generation stops mid-task. Here's how to tell if that's your bug, plus two silent mcp.json failures (missing mcpServers key, missing -y on npx) that get mistaken for it.
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Rules & context

Silent reverts

cursor Jul 2, 2026· 6 min read

Cursor silently reverted my changes — here's the real fix

Cursor applied your edit, you saw it land, and now it's gone with no undo. Here's the actual race condition behind Cursor's silent reverts and how to stop it.
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More fixes

cursor Aug 29, 2026· 4 min read

Why Cursor Agent mode burns through your requests way faster than you expect

Cursor Agent mode isn't one request per prompt — it's several model calls per task, and the model you picked doesn't always stay picked. Here's why usage drains fast and how to stop it.
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