Edge functions

Skill Ampli-Group/agentic-mobile-blueprint/.agents/skills/edge-functions

Supabase Edge Function development patterns with Deno runtime. Use when creating, modifying, or debugging edge functions. For Langfuse tracing see the langfuse-tracing skill. For Sentry error handling see the sentry-integration skill.From its SKILL.md

Install

npx -y skills add Ampli-Group/agentic-mobile-blueprint --skill edge-functions

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

3 things to look at

reads credentialsReads from 1 credential source: `supabase/functions/.env.local`.
4 stars4 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
runs commandsInstructs the agent to run 2 commands, including `mise run supabase:function` and 1 more.

SKILL.md

2.1 KB, 477 tokens by cl100k_base, as published. Nobody here has run it

Supabase Edge Functions

Runtime

Deno. Entry point: Deno.serve(). Files live in supabase/functions/<name>/index.ts.

New Function Scaffold

import { initSentry, handleError } from "../_shared/sentry.ts";

initSentry();

const corsHeaders = {
  "Access-Control-Allow-Origin": "*",
  "Access-Control-Allow-Headers": "authorization, x-client-info, apikey, content-type",
};

Deno.serve(async (req: Request) => {
  if (req.method === "OPTIONS") return new Response("ok", { headers: corsHeaders });

  try {
    const body = await req.json();
    const result = { message: "Hello" };
    return new Response(JSON.stringify(result), {
      headers: { ...corsHeaders, "Content-Type": "application/json" },
    });
  } catch (error) {
    return handleError(error, { functionName: "my-function", corsHeaders });
  }
});

For AI calls, wrap with withTrace() — see the langfuse-tracing skill.

Imports

Shared code: ../_shared/sentry.ts, ../_shared/langfuse/gemini.ts
External: via import map in supabase/functions/deno.json
Convention: npm: prefix for npm packages, URLs for Deno packages

Calling from Frontend/Mobile

const { data, error } = await supabase.functions.invoke('my-function', {
  body: { prompt: 'Hello' },
});

Database Migrations

Path: supabase/migrations/. Naming: 00000000000000_slug.sql.

Rules:

Enable RLS on every table
Policies use auth.uid() for row-level access
Add updated_at trigger for mutable tables
Index foreign keys and common filter columns
Storage bucket policies: auth.uid()::text = (storage.foldername(name))[1]

Local Development

mise run supabase:function   # Starts functions with hot reload

Env vars for functions go in supabase/functions/.env.local.

Deploy

supabase functions deploy <function-name>

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.