# CopyCat AI — WebMCP observations

Canonical: https://mudpie.ai/directory/webmcp/accelerators-2026-09-20/yc-30338/

- Roster: Y Combinator / Winter 2025
- Roster observed: 2026-09-18
- Official profile: <https://www.ycombinator.com/companies/copycat-ai>
- Listed website: <https://runcopycat.com>
- Browser: 153.0.8010.50

## Default Chrome

Not observed in this window. Final URL: <https://www.runcopycat.com/>

Window: 2026-09-20T21:20:23.628Z to 2026-09-20T21:20:25.682Z.

Tools: Not observed in this window.

Source SHA-256: ee1c5acb3fc20f4e5c790794fe23cacdee7922aeaca4f4593cbdea317f675840

## Experimental features enabled

Registration observed. Final URL: <https://www.runcopycat.com/>

Window: 2026-09-20T21:44:07.646Z to 2026-09-20T21:44:09.873Z.

Tools: find\_copycat\_solution, show\_copycat\_demo\_scheduler, show\_copycat\_sample\_proposals.

Source SHA-256: b8d8ad365e76eea1628927cde8e66ac6cd51cfb16409ec6dd3ca04087f8c7c11

## Limits

No tool was invoked. Registration does not establish execution, product quality, task success or adoption. Absence in one window is not website-wide absence.

[Study and methods](https://mudpie.ai/agent-readiness/measure-agent-distribution-without-counting-registrations/) · [Full dataset](https://mudpie.ai/research/native-webmcp-census-2026-09-20.json) · [Census directory](https://mudpie.ai/directory/webmcp/accelerators-2026-09-20/)