# SleepyTuned

> Probe-verified (tier 2 of 3). Last checked 2026-08-23. 2 of 5 capability checks passed.

- host: www.sleepytuned.com
- url: https://www.sleepytuned.com/
- category: ecu tuning service
- type: business
- country: US
- locations: Texas, United States
- language: en

## Probe-verified · tier 2 of 3

Probed live on 2026-08-23 against rubric v1. 2 of 5 checks passed.

- PASS — Markdown negotiation
- fail — Markdown twin at a predictable URL
- fail — llms.txt
- PASS — API catalog
- fail — MCP server answers

## Unverified actions

Read from the page's own content, with the wording each was drawn from. Inference is kept separate from tested facts; an agent completing the action is tier 3.

- **buy** — "Shop: https://www.sleepytuned.com/shop" → `https://www.sleepytuned.com/shop`
- **contact** — "Contact: https://www.sleepytuned.com/contact" → `https://www.sleepytuned.com/contact`
- **query_api** — "GET https://www.sleepytuned.com/api/vehicles/supported" → `https://www.sleepytuned.com/api/vehicles/supported`

## Summary

SleepyTuned provides custom ECU and TCU tuning for Kia Stinger and Genesis G70/G80/G90 vehicles with 3.3T engines, including remote and in-person flashing options.

## Context

2 sites in this index share the category "ecu tuning service"; 2 are transactional.

## How we grade

- tier 1 — **Declared**: The site says agents are welcome in its robots.txt. A permission, not a capability.
- tier 2 — **Probe-verified** (this site): We fetched the site and tested each signal ourselves. Dated, repeatable, re-checked on a schedule.
- tier 3 — **Behaviourally verified**: An agent completed the action end to end — booked, bought, submitted — and it worked.

## About this record

Known-Good probes sites live and publishes what was tested and when.
Method: https://knowngood.sh/about.md · Rubric: https://knowngood.sh/benchmark