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<!-- ccr-slack-attribution --> _Requested by **Saxon Fletcher** · [Slack thread](https://supabase.slack.com/archives/C051L8U2EJF/p1789995309253479?thread_ts=1789995309.253479&cid=C051L8U2EJF)_ Resolves AI-1246 ## Problem **Before:** The Assistant's `list_policies` tool fails in about 70% of traces. It only "succeeds" when the org has AI opt-in disabled, because then it returns the privacy stub and never makes a request. When opt-in is enabled, it runs the pg-meta query server-side with no `Authorization` header, so the request is unauthenticated and fails. The Assistant then falls back to `execute_sql`. **After:** `list_policies` sends the caller's `Authorization` header, the same way `execute_sql` in `studio-tools.ts` already does, so it returns the project's RLS policies. ## Solution `getTools` already receives `authorization` but didn't pass it to `getSchemaTools`. This PR passes it through. `list_policies` builds `{ Authorization }` from it, and `getDatabasePolicies` gets an optional `headersInit` argument that it forwards to `executeSql`, the same pattern `getDatabaseFunctions` uses. Existing client-side callers of `getDatabasePolicies` don't change. Files: `lib/ai/tools/index.ts`, `lib/ai/tools/schema-tools.ts`, `data/database-policies/database-policies-query.ts`, plus tests in `lib/ai/tools/schema-tools.test.ts` (new) and `lib/ai/tools/index.test.ts`. ## Review instructions 1. Read `schema-tools.ts` and compare it with the `authHeaders` handling in `studio-tools.ts` (`execute_sql`). 2. On the preview, use an org with AI opt-in set to at least "schema" and ask the Assistant to list the RLS policies on `public`. `list_policies` should return the policies without falling back to `execute_sql`. Local gates (all passed): - `pnpm typecheck` in `apps/studio` (next typegen + `tsc --noEmit`) - `npx eslint` on touched files: 0 errors. The 2 warnings are on lines this PR doesn't change. - `npx vitest run lib/ai/tools/schema-tools.test.ts lib/ai/tools/index.test.ts lib/ai/tool-filter.test.ts`: 24/24 passed. I also ran the new header test against the old `schema-tools.ts` and it failed, as expected. - `SORT_IMPORTS=false npx prettier --config prettier.config.mjs --check` on touched files Follow-up, not in this PR: `getRlsKnowledge` in `fallback-tools.ts` (self-hosted path) also calls `getDatabasePolicies` without headers, even though a `headers` object is already in scope there. ## AI disclosure Claude Code (agent) wrote this PR from the Slack request. @SaxonF (Saxon Fletcher) is the accountable human owner. A human needs to review it before merge. ## Checklist - [x] I have read [CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md) - [ ] If I wrote a new docs topic or edited an existing topic, I used the `/write-the-docs` or `/edit-the-docs` skill (N/A, no docs changes) 🤖 Generated with [Claude Code](https://claude.com/claude-code) https://claude.ai/code/session_0171Mk7SiKYLDDoAQvbDYfeK --- _Generated by [Claude Code](https://claude.ai/code/session_0171Mk7SiKYLDDoAQvbDYfeK)_ --------- Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: Joshen Lim <joshenlimek@gmail.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.
- Envoy is a cloud-native, high-performance edge and service proxy.
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 | supabase_auth | supabase_realtime | supabase_storage | supabase_functions |
| 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>
Translations
- Arabic | العربية
- Albanian / Shqip
- Bangla / বাংলা
- Bulgarian / Български
- Catalan / Català
- Croatian / Hrvatski
- Czech / čeština
- Danish / Dansk
- Dutch / Nederlands
- English
- Estonian / eesti keel
- Finnish / Suomalainen
- French / Français
- German / Deutsch
- Greek / Ελληνικά
- Gujarati / ગુજરાતી
- Hebrew / עברית
- Hindi / हिंदी
- Hungarian / Magyar
- Nepali / नेपाली
- Indonesian / Bahasa Indonesia
- Italiano / Italian
- Japanese / 日本語
- Korean / 한국어
- Lithuanian / lietuvių
- Latvian / latviski
- Malay / Bahasa Malaysia
- Norwegian (Bokmål) / Norsk (Bokmål)
- Persian / فارسی
- Polish / Polski
- Portuguese / Português
- Portuguese (Brazilian) / Português Brasileiro
- Romanian / Română
- Russian / Pусский
- Serbian / Srpski
- Sinhala / සිංහල
- Slovak / slovenský
- Slovenian / Slovenščina
- Spanish / Español
- Simplified Chinese / 简体中文
- Swedish / Svenska
- Thai / ไทย
- Traditional Chinese / 繁體中文
- Turkish / Türkçe
- Ukrainian / Українська
- Vietnamese / Tiếng Việt
- List of translations