No signal event on file yet — status is unknown, not "quiet".
- first observed Kanon started keeping permanent history for this agent
| Machine-callable | — | unknown | — |
| Open source | 1 | inferred | 1 quote(s) |
| Self-hostable | — | unknown | — |
| Bring your own key | — | unknown | — |
| Autonomy level | — | unknown | — |
| Pricing model | — | unknown | — |
| Integrations | cursor,claude,windsurf,copilot | inferred | 1 quote(s) |
“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.
It transforms AI coding from ad-hoc generation to a repeatable, collaborative engineering process, making it a critical enabler for production-grade AI agent use.
Evidence quotesverbatim, from the product’s own materials
“public GitHub repository (README fetched)”— structural
“Every task resolves to one of 22 classes before anything is read; the class names the ≤6 files to open, in order.”— readme
“they forget a decision made forty messages ago and re-make it differently;”— readme
“works with-Cursor · Claude Code · Windsurf · Copilot”— readme
“Markdown you load instead of a one-line personality. Nothing installs.”— readme
“A written engineering process for coding agents. Markdown you load instead of a one-line personality. Nothing installs.”— readme
FAQ
What is Leo?
Leo is a Markdown-based workflow system designed to standardize how AI coding agents write, review, and maintain code, turning one-off outputs into sustainable engineering practices.
What does Leo do?
To provide AI coding agents with a structured, auditable process for generating and evolving code that supports long-term maintainability and team collaboration.
Why does Leo matter?
It transforms AI coding from ad-hoc generation to a repeatable, collaborative engineering process, making it a critical enabler for production-grade AI agent use.
How much does Leo cost?
Free + $20/mo for advanced features
Is Leo free?
Yes — Leo has a free tier. Pricing as stated on its own page: Free + $20/mo for advanced features
Is Leo open source?
Yes — Leo is open source.
What does Leo integrate with?
cursor,claude,windsurf,copilot
How popular is Leo?
As tracked by KanonAgent: 2 upvotes (first indexed 2026-09-16).
What are the best Leo alternatives?
Similar AI agents tracked by KanonAgent: open-design, deer-flow, ruflo, career-ops, archify, cherry-studio.