The AI Security Engineer
Takumi is an AI agent built to support human product engineers and security engineers. It identifies and fixes vulnerabilities, triages findings, and assists with secure design — all within your Slack workspace. Bring Takumi onboard and focus on what matters most.
Join the Waitlist
Launching on April 7th. Early signups get priority access.
Takumi has already contributed to
secure 10+ zero-day vulnerabilities.
CVE-2025-29768
potential data loss with zip.vim and special crafted zip files
Born to Find Vulnerabilities At Scale
Logical Vulnerabilities Demistified
Takumi uncovers vulnerabilities your SAST tools miss.
Powered by the latest AI models (like Claude Sonnet), it understands both business logic and code semantics.
Our internal research using real customer applications has identified logical bugs, including improper access controls.
OWASP Top 10
Covered via white box testing
Spec Review
with Markdown/PDF docs
Leave it to Takumi. That's why you scale.
No need for detailed prompts or back-and-forth. Web searches, deep code analysis, report summaries — it all happens automatically on Takumi’s side. That’s what makes it an AI agent.
20-60 minutes
Per Typical Security Review
Approx. $1-$10
Per Typical Security Review
RESEARCH ACHIEVEMENTS
Over 10 Zero-Days Discovered
in Just One Week
CVE-2025-29768
March 12, 2025
potential data loss with zip.vim and special crafted zip files
Severity: Medium
CVE-TBD
Disclosure in progress
▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓
▓▓▓▓▓▓▓▓▓▓▓▓
CVE-TBD
Disclosure in progress
▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓
▓▓▓▓▓▓▓▓▓▓▓▓
In our internal research preview, three human researchers — with Takumi as their assistant — discovered over 10 zero-day vulnerabilities in just one week.
Background Story
Takumi Cloned Our Human Researchers with 100+ Public CVEs.
Our team has improved global software security by reporting vulnerabilities in widely used applications. These real-world experiences helped shape Takumi into a practical, production-ready cybersecurity AI agent.
Visit Our Research Blog
Built to Collaborate With Teams.
Takumi meets you where you are — and works with what you use.
It integrates into your daily workflow, pulling in context, chatting with you, and helping where it matters.
Early access will roll out with Slack and GitHub integrations first, with more to follow.
Takumi keeps an eye out, so you don’t have to.
From detecting new risks to performing detailed reviews, it works like a tireless security partner.
PRICING
Choose a plan that's right for you
For OSS Projects
OSS
We’re committed to supporting OSS maintainers, as we’ve always done.
Free
Some in Team, plus:
Usage
●
Unlimited seats
●
Monthly ACUs
Additional Condition
●
Takumi Badge in README.md
●
Evaluation based on your project docs
We can only support a limited number of projects. Priority will be given to those with supply chain security impact.
Apply Your OSS
For Teams
Team
Like hiring an awesome teammate with security expertise.
$500
/ month
Includes:
Core capabilities of Takumi:
●
Talk in your Slack workspace
●
Code review via GitHub App
●
Learns over time (Knowledge)
Usage
●
Unlimited seats
●
Monthly ACUs
Join the Waitlist
For More Powerful Teams
Enterprise
Like hiring a more scalable and trusted team — not just one engineer.
Custom pricing
Everything in Team, plus:
Extended capabilities of Takumi:
●
Priority for newer AI models
●
More tool integration for Takumi
Security & support
●
More audit logs
●
Dedicated account team
●
Custom terms (if necessary)
Join the Waitlist
USE CASES
What you can ask Takumi to do
Finding Logical Bugs
Detect vulnerabilities caused by complex specifications, such as broken authorization.
Reacting to Threat Information
Quickly assess whether trending security threats in the news affect your systems.
Triaging Dependabot PRs
Analyze how CVEs or known vulnerabilities affect your codebase and determine if dependency updates are needed.
Auditing OSS Packages
Evaluate open-source software to determine if it's safe to adopt.
Terraform Code Review
Takumi reviews not only application code, but also infrastructure configuration code.
Security Design Review
Support architectural security reviews and address non-functional security requirements.
You're the human manager — unlock even more power.
Join the Waitlist
Launching on April 7th. Early signups get priority access.
FAQs
Let's start by talking with Takumi.
Rolling out from April 7th. Early signups will receive priority.
GMO Flatt Security Inc.
6F, Cerulean Tower, Sakuragaoka-cho, Shibuya-ku, Tokyo, Japan
© GMO Flatt Security