Replay
The MCP time travel debugger for your coding agent.
San Francisco, United States · Founded 2021 · $55.0M raised
- Headquarters
- San Francisco
- Founded
- 2021
- Business Model
- B2B
- Website
- replay.io
- Total Funding
- $55.0M
- Last Round
- $55.0M SeedJul 2022
- Rounds
- 1
About
Replay.io is a time-travel debugging platform that captures the full browser runtime—every DOM change, network request, console log, and state update—and turns failures into root causes with specific fixes. Originally built for JavaScript developers to record and replay browser sessions, Replay has evolved into an AI-native debugging tool with an MCP server that enables coding agents to see and diagnose runtime bugs they couldn't otherwise detect. When a test fails or a user hits a bug, Replay provides a complete recording of the execution so teams can pinpoint the exact cause without manual reproduction. Trusted by engineering teams at React, Vercel, Metabase, Apollo GraphQL, and others, Replay eliminates the guessing cycle that slows down both human developers and AI coding agents.
Summary
Replay is an Infrastructure company based in San Francisco, United States, founded in 2021. It has raised $55.0M in total across 1 round, most recently a $55.0M Seed round in Jul 2022.
Tech & App Stack
10 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Jul 2022
Similar Companies
Cursor is the best way to code with AI, and built to make you extraordinarily productive.
Mistral co-creates tailored AI systems for enterprises and governments, combining frontier models...
Data-centric infrastructure to accelerate the development of AI
Plaid provides technology that lets people securely connect financial accounts to the apps and se...
DriveNets provides disaggregated networking systems for AI infrastructure and service providers, ...
fal is the leading platform for generative media, offering cutting-edge inference solutions for A...
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/replay"><img src="https://indexed.vc/api/badge/company/replay" alt="Replay on Indexed.vc" width="260" height="76" /></a>