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Alaister YoungandAlaister Young
4b24cf028a
Improves the repo's agent guidance: distills the always-required `studio-best-practices` skill into `apps/studio/CLAUDE.md`, tunes every skill description for reliable triggering, and mechanically enforces the generated-files rule. Grounded in Anthropic's official CLAUDE.md guidance (see justifications below). ## The main change: Studio CLAUDE.md gets a Code style section **Why:** `studio-best-practices` was a skill that instructed agents to *always* load it before any Studio code work. Anthropic's guidance draws the line as: sometimes-relevant guidance → skill (loaded on demand); always-relevant guidance → CLAUDE.md. A skill that must always load has failed the test for being a skill — it costs a tool-call round trip and, worse, silently does nothing in sessions that forget to load it. Since `apps/studio/CLAUDE.md` is lazy-loaded only when an agent touches Studio files, inlining is properly scoped: non-Studio sessions never pay for it. **Why not verbatim:** the skill was 175 lines, mostly ❌/✅ worked examples teaching practices models already know. Inlining it whole would push the file past the ~200-line point where Anthropic warns rules start getting lost. Instead each section was distilled to the rule it exists to enforce — e.g. the loading/error/success section kept its code block because the *shape* (early returns at top level, flat `&&` chains inline) is the prescription, and prose loses it. **The framing that makes the generic rules earn their place:** models default to matching surrounding code, and not all existing Studio code follows these practices. The section opens with "older Studio code predates some of these conventions — follow them rather than mirroring nearby legacy patterns," which converts otherwise-redundant React advice into an explicit instruction to break from local precedent. One rule was added that the old skill lacked: `useEffect` is for external-system sync only (~364 Studio files contain effects, many in patterns we don't want copied). **Changed:** - `apps/studio/CLAUDE.md` — new Code style section (84 lines total, within budget); skills table no longer mandates a pre-load - `.claude/CLAUDE.md` — dropped `pnpm install` from commands (guessable; Anthropic's test: "would removing this cause mistakes?") **Removed:** - `.claude/skills/studio-best-practices/` — fully absorbed; its cross-references to other skills were already covered by the skills routing table ## Skill description tuning Descriptions are the only signal an agent sees before deciding to load a skill, and the observed failure mode is under-triggering on tasks that don't name the skill. Nine descriptions reworded: front-loaded matchable keywords, added incidental-trigger cases (e.g. a new feature that adds copy is a `copywriting` moment), and disambiguated overlaps (`vitest` is now the API reference deferring to `studio-testing` for strategy). The `safe-sql-execution` rewrite was additionally validated with skill-creator's trigger-eval loop against 20 realistic queries: held-out test accuracy 54% → 71%, with zero false triggers across all iterations. (`vitest` shows under `.agents/` because `.claude/skills/vitest` symlinks there.) ## Generated-files enforcement **Added:** `permissions.deny` rules in `.claude/settings.json` for the six generated-file globs the root CLAUDE.md already lists. CLAUDE.md prose is advisory; permission rules are mechanical and also gate sandboxed Bash writes. (Verified live: the rule blocked an unintended regeneration of `database-types.ts` during testing.) ## To test - CI: prettier + typos checks pass (docs-only + settings change, no app code) - In a fresh Claude Code session in the repo: ask it to edit `apps/studio/routeTree.gen.ts` — should be denied by the new permission rule - Ask it to do any Studio UI task — it should pick up the Code style rules from `apps/studio/CLAUDE.md` without loading a best-practices skill <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Documentation** * Updated development guidance for testing, copywriting, SQL safety, telemetry, queries, error handling, and toolbar reviews. * Restructured Vitest references into clearer tables and improved formatting across several guides. * Added Studio code-style conventions and clarified when task-specific guidance should be applied. * Removed outdated Studio best-practices guidance. * **Chores** * Added safeguards preventing edits to generated and protected files. * Simplified the documented development command sequence. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: Alaister Young <10985857+alaister@users.noreply.github.com>
Supabase
Supabase is the Postgres development platform. We're building the features of Firebase using enterprise-grade open source tools.
- Hosted Postgres Database. Docs
- Authentication and Authorization. Docs
- Auto-generated APIs.
- Functions.
- File Storage. Docs
- AI + Vector/Embeddings Toolkit. Docs
- Dashboard
Watch "releases" of this repo to get notified of major updates.
Documentation
For full documentation, visit supabase.com/docs
To see how to Contribute, visit Getting Started
Community & Support
- Community Forum. Best for: help with building, discussion about database best practices.
- GitHub Issues. Best for: bugs and errors you encounter using Supabase.
- Email Support. Best for: problems with your database or infrastructure.
- Discord. Best for: sharing your applications and hanging out with the community.
How it works
Supabase is a combination of open source tools. We’re building the features of Firebase using enterprise-grade, open source products. If the tools and communities exist, with an MIT, Apache 2, or equivalent open license, we will use and support that tool. If the tool doesn't exist, we build and open source it ourselves. Supabase is not a 1-to-1 mapping of Firebase. Our aim is to give developers a Firebase-like developer experience using open source tools.
Architecture
Supabase is a hosted platform. You can sign up and start using Supabase without installing anything. You can also self-host and develop locally.
- Postgres is an object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
- Realtime is an Elixir server that allows you to listen to PostgreSQL inserts, updates, and deletes using websockets. Realtime polls Postgres' built-in replication functionality for database changes, converts changes to JSON, then broadcasts the JSON over websockets to authorized clients.
- PostgREST is a web server that turns your PostgreSQL database directly into a RESTful API.
- GoTrue is a JWT-based authentication API that simplifies user sign-ups, logins, and session management in your applications.
- Storage a RESTful API for managing files in S3, with Postgres handling permissions.
- pg_graphql a PostgreSQL extension that exposes a GraphQL API.
- postgres-meta is a RESTful API for managing your Postgres, allowing you to fetch tables, add roles, and run queries, etc.
- Kong is a cloud-native API gateway.
Client libraries
Our approach for client libraries is modular. Each sub-library is a standalone implementation for a single external system. This is one of the ways we support existing tools.
| Language | Client | Feature-Clients (bundled in Supabase client) | ||||
|---|---|---|---|---|---|---|
| Supabase | PostgREST | GoTrue | Realtime | Storage | Functions | |
| ⚡️ Official ⚡️ | ||||||
| JavaScript (TypeScript) | supabase-js | postgrest-js | auth-js | realtime-js | storage-js | functions-js |
| Flutter | supabase-flutter | postgrest-dart | gotrue-dart | realtime-dart | storage-dart | functions-dart |
| Swift | supabase-swift | postgrest-swift | auth-swift | realtime-swift | storage-swift | functions-swift |
| Python | supabase-py | postgrest-py | gotrue-py | realtime-py | storage-py | functions-py |
| 💚 Community 💚 | ||||||
| C# | supabase-csharp | postgrest-csharp | gotrue-csharp | realtime-csharp | storage-csharp | functions-csharp |
| Go | - | postgrest-go | gotrue-go | - | storage-go | functions-go |
| Java | - | - | gotrue-java | - | storage-java | - |
| Kotlin | supabase-kt | postgrest-kt | auth-kt | realtime-kt | storage-kt | functions-kt |
| Ruby | supabase-rb | postgrest-rb | - | - | - | - |
| Rust | - | postgrest-rs | - | - | - | - |
| Godot Engine (GDScript) | supabase-gdscript | - | - | - | - | - |
Badges
[](https://supabase.com)
<a href="https://supabase.com">
<img
width="168"
height="30"
src="https://supabase.com/badge-made-with-supabase.svg"
alt="Made with Supabase"
/>
</a>
[](https://supabase.com)
<a href="https://supabase.com">
<img
width="168"
height="30"
src="https://supabase.com/badge-made-with-supabase-dark.svg"
alt="Made with Supabase"
/>
</a>
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- List of translations