Observed arrival · 2026-10-19
Sakura Lang puts the promise in the signature
An agent-first programming language whose function signatures declare effects, errors, and contracts for the compiler to check.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Developers reviewing code written by agents
- Worth noticing
- The example diagnostic identifies undeclared Http and Fail effects and proposes a signature change marked as needing review.
Field notes
The site provides separate agent setup through SKILL.md, an MCP interface over stdio, and LSP features including diagnostics, hover, completion, formatting, and quick fixes. Its installation section lists macOS Apple silicon and Linux x64 and ARM64 for alpha.1, with a specific glibc 2.35+ requirement for Linux. The release is identified as a preview without a compatibility promise.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
ƒJavaScriptBrowser-side code central
One card from the complete issue