The agent-native application SDK. Define schemas, views, procedures and triggers in YAML. Mantle compiles them into native SQL and typed TypeScript, with optional REST APIs, an MCP server for AI agents, Better Auth, llms.txt-ready web pages and an admin console. Runs on Cloudflare Workers and Bun with SQLite, D1 or PostgreSQL.
Latest release v0.2.0 · 19 Oct 2026
2 files for Codex, OpenCode and Claude Code: mantle AGENTS.md, mantle CLAUDE.md — 465 tokens loaded in every session.
AGENTS.md A 362 tok CLAUDE.md A 103 tok These files are aotter/mantle's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.