Laying out the streets…STEP 1 OF 3

kosa8 · Office #49,540

Air-gapped microVM sandboxes for enterprise AI agents

In the Working with AI coding agents neighborhood (AI and agents). In town since 24 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

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What Tablif read on kosa8's site

kosa8 describes itself as: “kosa8 — secure infrastructure for AI agents”

What it is

Calls itself “sandbox”.

  • Calls itself: sandbox
“…kosa8 — secure infrastructure for AI agents”
“Secure sandboxes with an undo button for AI agents.”

Where it puts itself

Claims “first”. Rules out “permanently free tier”.

  • Superlative claim: first
  • Says it will not: permanently free tier
“Today Every user's task needs an isolated machine. Containers share one kernel; full VMs are slow to start and cannot be copied mid-run. With kosa8 A real VM per task, ready in a fraction of a second.”
“The questions people ask first.”

What it costs

Monthly subscription and yearly plan. Free for a trial period. Trial: “14 days”. Has an enterprise plan. Sales on request. 13 prices listed on its pages, from $0 to $1,990.

  • Monthly: yes
  • Yearly: yes
  • Free plan: free for a trial
  • Price: 13 prices, from $0 to $1,990
  • Trial: 14 days
  • Enterprise plan: yes
  • Contact sales: yes
“$0.10 per copy-hour above it, if you turn on overage”
“$1,500 a month for the Compliance Pack: the evidence an assessor asks for, in one command.”
“$1,690 a person a year”

Who it sells to

Sells to businesses. Built for enterprise, small businesses, solo users and teams.

  • Sells to: businesses
  • Company size: enterprise · small businesses · solo / indie · +1
“Built for teams whose agents touch what matters”
“See plans and buy Enterprise & Government”

How it runs

A command-line tool for Linux, Windows and macOS. Runs locally and works offline. Can be self-hosted. Hosted in the cloud. Offers an API. AI is the core of the product. You can bring your own API key.

  • Kind: cli
  • Runs on: Linux · Windows · macOS
  • Runs where: cloud / hosted · on the device, offline · self-hosted
  • API: yes
  • AI role: core to the product
  • Bring your own key: yes
“…curl -fsSL https://kosa8.com/install.sh | sh”
“Runs where you are Mac · Linux · Windows 11 (WSL2, preview)”

What it works with

Names Claude Code, Codex and 3 more on its pages.

  • Names: Claude Code · Codex · Gemini · +2
“Give Claude Code, Codex, or other agents their own sandbox”
“…agent · gemini”

What it offers as proof

Live, no waitlist. Claims “11,000”. Compliance: FIPS 140-3. Try it without signing up. Publishes docs and a blog.

  • Number claimed: 11,000
  • Compliance: FIPS 140-3
  • Trial asks for: nothing
“Do I need a card or an account to try it? No. One line installs it, and every feature works for 14 days. Nothing to sign up for until you choose a plan.”
“Free for 14 days, no account and no card.”

Sources

Tablif read these pages, last on 24 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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