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Linzumi launch: what they're building and where to launch next

What they're building

Team chat to command all your company's coding agents

Batch
Y Combinator Spring 2026
Industry
B2B
Team size
3
Based
San Francisco, CA, USA

Founders

linzumi.com ↗

See their funding details ↗

Linzumi on the record

What they shipped

  • From its YC profile: Linzumi is the chat your engineering team uses to direct dozens of AI coding agents. Kick off work, review it, ship it. All from chat. See every agent's work. Unblock the agents that need you from your laptop, your phone, the coffee line. Your teammates see it too. Every decision your team makes compiles into a source of truth - what to build, why it changed, how your agents should act. That same source generates new work and verifies completed work. Deliberative alignment, repurposed from aligning LLMs to aligning companies. (source)
  • Its own site describes it as: "A familiar team chat with a fleet of coding agents inside every channel. Drive them from anywhere. Bring your team into the thread. Ship together." (source)

Who is behind it

  • Sean Grove, Founder/CEO: Sean Grove builds systems that turn human intent into reliable software. At OpenAI he spent years in post‑training and alignment reasoning, helping develop model‑spec infrastructure and deliberative‑alignment techniques. He founded OneGraph (acquired by Netlify), was Principal Architect at Netlify, and now builds Linzumi. Sean enjoys writing about himself in the third person. Sean hungry. Sean work hard. (source)

Code

  • GitHub organization Linzumi: 0 public repositories, 0 stars in total; last push null (read 2026-09-06). (source)

Timeline

  1. 2025: founded, per its YC profile. (source)

Other B2B software launches on FoxPlug

Where else to launch Linzumi

  • Product Hunt ↗
    Self-promotion allowedFree
  • Hacker News (Show HN) ↗
    Self-promotion allowed, within the community's rules
    Audience: Hacker News readers; engineers, technical founders, infra-curious people
  • Indie Hackers Forum ↗
    Self-promotion allowed
    Audience: IndieHackers; bootstrapped solo founders sharing revenue and behind-the-scenes
  • Demand Curve ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • Dev Hunt ↗
    Self-promotion allowedFree
  • No Code Founders ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • OnlineGeniuses ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • Product Makers ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group

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