Composal: A swarm of agents that tests your product like real users

YC LaunchesOct 29, 6:00 PM PT

Context: A swarm of agents that tests a product the way real users would, to catch bugs before users do.

From YC Launches: Catch bugs before your users do

Launch

Hand it a C/C++/CUDA bug and get a tested pull request back, at what it claims is 68% lower cost.

YC Launches6:00 AM PTNov 10, 2026 Details

Launch

Formally verified data queries

YC Launches3:00 PM PTNov 9, 2026 Details

Launch

Run Claude Code and Codex on parallel cloud machines from laptop, phone or terminal; 50 votes on YC Launches.

YC Launches10:00 AM PTNov 9, 2026 Details

Launch

Let your agent use your personal phone, or its own iPhone/Android in the cloud

YC Launches8:00 AM PTNov 4, 2026 Details

Launch

Momentic (YC W24) builds QA agents that plan, explore and bug-bash user flows in web, iOS and Android apps to catch bugs.

momentic.ai9:05 AM PTNov 2, 2026 Details

Launch

Letterpress-1 re-imagines every aspect of developer tooling for engineering growth.

YC Launches9:00 AM PTNov 2, 2026 Details

Composal: A swarm of agents that tests your product like real users · Keeping Up with Silicon Valley

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