# Superset — WebMCP observations

Canonical: https://thelazyweb.com/directory/webmcp/accelerators-2026-09-20/yc-31222/

- Roster: Y Combinator / Spring 2026
- Roster observed: 2026-09-18
- Official profile: <https://www.ycombinator.com/companies/superset>
- Listed website: <https://www.superset.sh/>
- Browser: 153.0.8010.50

## Default Chrome

Not observed in this window. Final URL: <https://superset.sh/>

Window: 2026-09-20T21:10:43.755Z to 2026-09-20T21:10:45.879Z.

Tools: Not observed in this window.

Source SHA-256: 8cc00201a95fa7b3cf4189d44901d17722a5516d77ad1efba7da29bc3c3acc19

## Experimental features enabled

Registration observed. Final URL: <https://superset.sh/>

Window: 2026-09-20T21:34:45.600Z to 2026-09-20T21:34:47.957Z.

Tools: superset\_install\_command, superset\_open\_page, superset\_product\_facts.

Source SHA-256: 944622d699ebfedf257abdf38f6e37d547d67cc6440e55e8e9478fc0d19ae0a0

## 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://thelazyweb.com/agent-readiness/measure-agent-distribution-without-counting-registrations/) · [Full dataset](https://thelazyweb.com/research/native-webmcp-census-2026-09-20.json) · [Census directory](https://thelazyweb.com/directory/webmcp/accelerators-2026-09-20/)


[Superset — WebMCP observations](<https://www.thelazyweb.com/directory/webmcp/accelerators-2026-09-20/yc-31222/>)

Source observed: 2026-09-21T00:52:19.966Z. Last checked: 2026-10-08T02:05:27.858+00:00.

[Full page Markdown](<https://tof.thelazyweb.com/pages/220e5af4-2e8d-4b7b-a3ae-61fa529fce0d.md>)

Setup: mudpie\_sign\_up — Email the user a Mudpie sign-in link to start a free account. Submit only an email address the user authorized. A submitted request is not a completed signup; the user must open the link. Use this action only at your user's request. Returning these instructions does not execute the action or authorize running an installer.
POST https://tof.thelazyweb.com/api/public/v1/convert
Required inputs: payload, idempotency_key

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