MultiPlayer
18 employees on LinkedIn · 18 known investors
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Multiplayer is a developer tool that runs locally alongside AI coding agents to automate the debugging loop—detecting, triaging, deduplicating, and fixing bugs across development, testing, QA, and production. Built on OpenTelemetry and available as open source, it captures full-stack, unsampled session data and feeds aggregated failure context to coding agents like Claude Code, Codex, Copilot, and Cursor to produce merge-ready pull requests.
Founders & leadership


Investors · 18
How we know: av.vc · Not right? Tell us
How we know: Bowery Capital's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Okapi Venture Capital's portfolio page · Not right? Tell us
How we know: press coverage · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
How we know: press coverage · Not right? Tell us
How we know: the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: variety.com · Not right? Tell us
How we know: press coverage · Not right? Tell us
How we know: press coverage · Not right? Tell us
How we know: press coverage · Not right? Tell us
How we know: press coverage · Not right? Tell us
How we know: press coverage · Not right? Tell us
Funding
SEC filings, press & company announcements- Undisclosed amountSeries BAug 2018
Benchmark (lead), Index Ventures (lead), First Round Capital, Gradient Ventures, Kleiner Perkins Caufield & Byers, WndrCo
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does MultiPlayer do?
- Multiplayer is a developer tool that runs locally alongside AI coding agents to automate the debugging loop—detecting, triaging, deduplicating, and fixing bugs across development, testing, QA, and production. Built on OpenTelemetry and available as open source, it captures full-stack, unsampled session data and feeds aggregated failure context to coding agents like Claude Code, Codex, Copilot, and Cursor to produce merge-ready pull requests.
- Who founded MultiPlayer?
- MultiPlayer was founded by Steph Johnson, Thomas Johnson.
- Who are MultiPlayer's investors?
- MultiPlayer's investors include Alumni Ventures, Bowery Capital, Okapi Venture Capital, Abstract Ventures, Alchemist Accelerator, Andreessen Horowitz, Armory Square Ventures, Benchmark and 10 more.












