Building a video editor by letting Cursor's cloud agent edit video via MCP
mattyp · x · 2026-09-25
Developer mattyp shares a hands-on experiment in autonomous software building: a Cursor Cloud Agent loaded with a video editor project uses Grok 4.7 via MCP to actually edit videos, then tests the UI.
- At each failure, the agent reflects and fixes the product, aiming for a clean end-to-end edit.
- His key takeaway: with the right feedback loops, agents can build software autonomously.
The case is notable as a demonstration of a closed loop of agent + tools + automated verification, rather than just code generation.
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