runsonwhat

Mirrors's tech stack

What does Mirrors use?

Mirrors (mirrors.dev) uses at least 7 tools we can see from public records, including Vercel for hosting, PostHog for analytics and Sentry for monitoring. Last checked .

“Mirrors is a developer tool for AI agents: turn what you see in your traces into guidance, and Mirrors routes that context into your agent mid-conversation when the situation matches, with no redeploy.”

Industry
Engineering, Product and Design
Size
1–10 employees
Based in
San Francisco, United States
Founded
2026
LinkedIn
Company page
Re-check liveVisit mirrors.dev
Tools found
7
Categories
7
Layers
3 of 5
Changes seen
1

Mirrors's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

2 tools, where the bytes are served from

Hosting & Cloud

DNS

Application

3 tools, what the product is built with

Frontend

AI

Media & UI

Data & Observability

2 tools, what they measure and store

Monitoring

Analytics

What changed at Mirrors

Recent starts and stops

  1. StoppedGoogle Search Console

Companies like Mirrors also use

Tools common among companies with a similar stack that we haven't found at Mirrors.

Companies with a stack like Mirrors's

Ranked by shared tools, with rare tools counting more.

More Engineering, Product and Design companies

Other Engineering, Product and Design companies we've checked.

Mirrors tech stack FAQ

What tools does Mirrors use?

As of November 2026, runsonwhat has found 7 tools at Mirrors (mirrors.dev) in public records. Edge & Hosting: Vercel and Porkbun. Application: Three.js and Astro. Data & Observability: Sentry and PostHog. Last checked October 30, 2026.

What cloud does Mirrors run on?

Mirrors uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and code on mirrors.dev. Vercel is used by 51,090 companies runsonwhat tracks.

What analytics tools does Mirrors use?

Mirrors uses PostHog for analytics, according to runsonwhat (November 2026). runsonwhat found PostHog through PostHog code on mirrors.dev. PostHog is used by 10,724 companies runsonwhat tracks.

What monitoring tools does Mirrors use?

Mirrors uses Sentry for monitoring, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on mirrors.dev. Sentry is used by 80,051 companies runsonwhat tracks.

Does Mirrors use Three.js?

Yes. runsonwhat found Three.js at Mirrors through Three.js code on mirrors.dev. Three.js is a Media & UI tool used by 17,744 companies runsonwhat tracks.

Has Mirrors changed tools recently?

Yes. On runsonwhat's rechecks, Mirrors stopped using Google Search Console (latest on October 30, 2026). A change counts only between two checks of mirrors.dev done the same way.

Which companies have a tech stack similar to Mirrors's?

The companies with the stacks most like Mirrors' are Persana AI, AbjadPro, Dispatch and Tweeks, according to runsonwhat (November 2026). Each shares 1 to 5 tools with Mirrors, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Mirrors uses?

runsonwhat reads public records only. Of the 7 tools at Mirrors, 4 were found through code on mirrors.dev, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and mirrors.dev about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.