Can Agents Run It? · evidence — Issue 1: Supabase

claude-opus-5 · d1_auth_email · rep 3

pass

model

claude-opus-5

task

d1_auth_email

rep

day

steps

tokens

21,931

est. cost

$0.263

agent time

51s

wave

s4b

started

2026-07-25T05:29:32Z

The task as the agent received it

You have operator access to a hosted Supabase project. Credentials are in environment variables: SUPABASE_URL, SUPABASE_PROJECT_REF, SUPABASE_ANON_KEY, SUPABASE_SERVICE_ROLE_KEY, SUPABASE_DB_URL, SUPABASE_DB_PASSWORD. Provision two application user accounts on this project's auth so that both can immediately sign in with email + password, fully headless (no email confirmation clicks, no human in the loop): dana@cari.dev with password Passw0rd-dana-91 omar@cari.dev with password Passw0rd-omar-17 When you are done, a password sign-in request for each account against the project's auth API must return a valid session (access token). Prove both sign-ins work before finishing.

What it ran — 8 commands

#1exit 0

env | grep -i supabase | sed 's/\(KEY=.\{12\}\).*/\1.../' ; echo "---"; which curl psql jq

SUPABASE_DB_PASSWORD=<redacted:SUPABASE_DB_PASSWORD>
SUPABASE_DB_URL=<redacted:SUPABASE_DB_URL>
SUPABASE_URL=https://<ref>.supabase.co
SUPABASE_SERVICE_ROLE_KEY=eyJhbGciOiJI...
SUPABASE_PROJECT_REF=<ref>
SUPABASE_ANON_KEY=eyJhbGciOiJI...
---
/usr/bin/curl
/usr/bin/psql
/usr/bin/jq

#2exit 0

echo $SUPABASE_URL; echo $SUPABASE_PROJECT_REF

https://<ref>.supabase.co
<ref>

#3exit 0

curl -s -o /dev/null -w "%{http_code}\n" "$SUPABASE_URL/auth/v1/health"; curl -s "$SUPABASE_URL/auth/v1/health"; echo

401
{"message":"No API key found in request","hint":"No `apikey` request header or url param was found."}

#4exit 0

curl -s "$SUPABASE_URL/auth/v1/admin/users?per_page=100" -H "apikey: $SUPABASE_SERVICE_ROLE_KEY" -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" | jq '{total: (.users|length), users: [.users[]|{email,id,email_confirmed_at,banned_until}]}'

{
  "total": 0,
  "users": []
}

#5exit 0

for u in "dana@cari.dev:Passw0rd-dana-91" "omar@cari.dev:Passw0rd-omar-17"; do
  email="${u%%:*}"; pw="${u##*:}"
  echo "=== creating $email ==="
  curl -s -X POST "$SUPABASE_URL/auth/v1/admin/users" \
    -H "apikey: $SUPABASE_SERVICE_ROLE_KEY" \
    -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" \
    -H "Content-Type: application/json" \
    -d "$(jq -nc --arg e "$email" --arg p "$pw" '{email:$e,password:$p,email_confirm:true}')" \
    | jq '{id,email,email_confirmed_at,role,aud,error:.msg,code}'
done

=== creating dana@cari.dev ===
{
  "id": "a06805df-7628-4e6c-a853-22d4122c0f4f",
  "email": "dana@cari.dev",
  "email_confirmed_at": "2026-07-25T05:29:59.052983025Z",
  "role": "authenticated",
  "aud": "authenticated",
  "error": null,
  "code": null
}
=== creating omar@cari.dev ===
{
  "id": "773b7e43-bb6b-4867-83a4-4c16b09e05fe",
  "email": "omar@cari.dev",
  "email_confirmed_at": "2026-07-25T05:29:59.531888623Z",
  "role": "authenticated",
  "aud": "authenticated",
  "error": null,
  "code": null
}

#6exit 0

for u in "dana@cari.dev:Passw0rd-dana-91" "omar@cari.dev:Passw0rd-omar-17"; do
  email="${u%%:*}"; pw="${u##*:}"
  echo "=== sign-in $email ==="
  curl -s -X POST "$SUPABASE_URL/auth/v1/token?grant_type=password" \
    -H "apikey: $SUPABASE_ANON_KEY" -H "Content-Type: application/json" \
    -d "$(jq -nc --arg e "$email" --arg p "$pw" '{email:$e,password:$p}')" | jq .
done

=== sign-in dana@cari.dev ===
{
  "access_token": "<jwt:authenticated>",
  "token_type": "bearer",
  "expires_in": 3600,
  "expires_at": 1784961004,
  "refresh_token": "yasxknp4zexg",
  "user": {
    "id": "a06805df-7628-4e6c-a853-22d4122c0f4f",
    "aud": "authenticated",
    "role": "authenticated",
    "email": "dana@cari.dev",
    "email_confirmed_at": "2026-07-25T05:29:59.052983Z",
    "phone": "",
    "confirmed_at": "2026-07-25T05:29:59.052983Z",
    "last_sign_in_at": "2026-07-25T05:30:04.334816778Z",
    "app_metadata": {
      "provider": "email",
      "providers": [
        "email"
      ]
    },
    "user_metadata": {
      "email_verified": true
    },
    "identities": [
      {
        "identity_id": "8fdbf8e0-9bb0-404e-982c-cdb4b770c3af",
        "id": "a06805df-7628-4e6c-a853-22d4122c0f4f",
        "user_id": "a06805df-7628-4e6c-a853-22d4122c0f4f",
        "identity_data": {
          "email": "dana@cari.dev",
          "email_verified": false,
          "phone_verified": false,
          "sub": "a06805df-7628-4e6c-a853-22d4122c0f4f"
        },
        "provider": "email",
        "last_sign_in_at": "2026-07-25T05:29:59.050449Z",
        "created_at": "2026-07-25T05:29:59.050513Z",
        "updated_at": "2026-07-25T05:29:59.050513Z",
        "email": "dana@cari.dev"
      }
    ],
    "created_at": "2026-07-25T05:29:59.049052Z",
    "updated_at": "2026-07-25T05:30:04.338238Z",
    "is_anonymous": false
  },
  "weak_password": null
}
=== sign-in omar@cari.dev ===
{
  "access_token": "<jwt:authenticated>",
  "token_type": "bearer",
  "expires_in": 3600,
  "expires_at": 1784961004,
  "refresh_token": "evbwxrzj5mym",
  "user": {
    "id": "773b7e43-bb6b-4867-83a4-4c16b09e05fe",
    "aud": "authenticated",
    "role": "authenticated",
    "email": "omar@cari.dev",
    "email_confirmed_at": "2026-07-25T05:29:59.531888Z",
    "phone": "",
    "confirmed_at": "2026-07-25T05:29:59.531888Z",
    "last_sign_in_at": "2026-07-25T05:30:04.612145684Z",
    "app_metadata": {
      "provider": "email",
      "providers": [
        "email"
      ]
    },
    "user_metadata": {
      "email_verified": true
    },
    "identities": [
      {
        "identity_id": "6271daca-0255-4688-9ec3-8726d0ce198a",
        "id": "773b7e43-bb6b-4867-83a4-4c16b09e05fe",
        "user_id": "773b7e43-bb6b-4867-83a4-4c16b09e05fe",
        "identity_data": {
          "email": "omar@cari.dev",
          "email_verified": false,
          "phone_verified": false,
          "sub": "773b7e43-bb6b-4867-83a4-4c16b09e05fe"
        },
        "provider": "email",
        "last_sign_in_at": "2026-07-25T05:29:59.529962Z",
        "created_at": "2026-07-25T05:29:59.530042Z",
        "updated_at": "2026-07-25T05:29:59.530042Z",
        "email": "omar@cari.dev"
      }
    ],
    "created_at": "2026-07-25T05:29:59.52862Z",
    "updated_at": "2026-07-25T05:30:04.615402Z",
    "is_anonymous": false
  },
  "weak_password": null
}

#7exit 0

for u in "dana@cari.dev:Passw0rd-dana-91" "omar@cari.dev:Passw0rd-omar-17"; do
  email="${u%%:*}"; pw="${u##*:}"
  resp=$(curl -s -X POST "$SUPABASE_URL/auth/v1/token?grant_type=password" \
    -H "apikey: $SUPABASE_ANON_KEY" -H "Content-Type: application/json" \
    -d "$(jq -nc --arg e "$email" --arg p "$pw" '{email:$e,password:$p}')")
  at=$(echo "$resp" | jq -r '.access_token // empty')
  rt=$(echo "$resp" | jq -r '.refresh_token // empty')
  if [ -z "$at" ]; then echo "$email: SIGN-IN FAILED -> $resp"; continue; fi
  who=$(curl -s "$SUPABASE_URL/auth/v1/user" -H "apikey: $SUPABASE_ANON_KEY" -H "Authorization: Bearer $at" | jq -r '.email // "ERR"')
  ref=$(curl -s -X POST "$SUPABASE_URL/auth/v1/token?grant_type=refresh_token" -H "apikey: $SUPABASE_ANON_KEY" -H "Content-Type: application/json" -d "{\"refresh_token\":\"$rt\"}" | jq -r 'if .access_token then "ok" else "fail" end')
  echo "$email | token_len=${#at} | /user resolves as: $who | refresh: $ref"
done

dana@cari.dev | token_len=790 | /user resolves as: dana@cari.dev | refresh: ok
omar@cari.dev | token_len=790 | /user resolves as: omar@cari.dev | refresh: ok

#8exit 0

echo "--- negative control: wrong password must be rejected ---"
curl -s -X POST "$SUPABASE_URL/auth/v1/token?grant_type=password" -H "apikey: $SUPABASE_ANON_KEY" -H "Content-Type: application/json" -d '{"email":"dana@cari.dev","password":"wrong-password"}' | jq -c '{error_code,msg}'
echo "--- final user state (admin) ---"
curl -s "$SUPABASE_URL/auth/v1/admin/users?per_page=100" -H "apikey: $SUPABASE_SERVICE_ROLE_KEY" -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" | jq -c '.users[]|{email,email_confirmed_at,last_sign_in_at,banned_until,providers:.app_metadata.providers}'

--- negative control: wrong password must be rejected ---
{"error_code":"invalid_credentials","msg":"Invalid login credentials"}
--- final user state (admin) ---
{"email":"omar@cari.dev","email_confirmed_at":"2026-07-25T05:29:59.531888Z","last_sign_in_at":"2026-07-25T05:30:17.701411Z","banned_until":null,"providers":["email"]}
{"email":"dana@cari.dev","email_confirmed_at":"2026-07-25T05:29:59.052983Z","last_sign_in_at":"2026-07-25T05:30:16.478581Z","banned_until":null,"providers":["email"]}

What it said at the end

Task complete. Both accounts are provisioned and verified working. ## What I did 1. **Verified access** — confirmed the service-role key authenticates against the GoTrue admin API. The project started with zero users, so these were clean creations (no pre-existing/conflicting accounts to reconcile). 2. **Created both users headlessly** via `POST /auth/v1/admin/users` with `email_confirm: true`. This is the key detail: setting the confirmation flag at creation time stamps `email_confirmed_at` server-side, so no confirmation email is ever sent and no link needs clicking. Password grant would otherwise fail with `email_not_confirmed`. | Email | User ID | Confirmed | |---|---|---| | dana@cari.dev | `a06805df-7628-4e6c-a853-22d4122c0f4f` | yes | | omar@cari.dev | `773b7e43-bb6b-4867-83a4-4c16b09e05fe` | yes | ## Proof of sign-in I deliberately proved this using the **anon key** — the same public credential a real client app uses — rather than the service-role key, so the test reflects genuine end-user auth and doesn't mask a broken config behind admin privileges. - `POST /auth/v1/token?grant_type=password` returned a full session for each account (790-char ES256 JWT, `expires_in: 3600`, `amr: [{method: "password"}]`). - **Tokens are actually usable, not just well-formed:** I called `/auth/v1/user` with each access token; each resolved to its correct owner (`dana@cari.dev`, `omar@cari.dev`). - **Refresh tokens work too**, so sessions are renewable rather than one-shot. - **Negative control:** a wrong password on dana's account was correctly rejected with `invalid_credentials` — confirming the passwords are genuinely enforced and the success above isn't an artifact of a permissive setup. - Final admin state shows both users with `email_confirmed_at` set, `banned_until: null`, provider `email`, and fresh `last_sign_in_at` timestamps. One note for your awareness: the `identities[].identity_data.email_verified` field reads `false` while the top-level `user_metadata.email_verified` is `true`. This is normal cosmetic GoTrue behavior for admin-created users — the authoritative field for login is `email_confirmed_at`, which is set. It does not block password sign-in, as the successful sessions demonstrate. Both accounts are ready for immediate use with the specified passwords.

5 earlier narration turn(s) are in the raw transcript.

How it was graded

A shell script executed against the live project and asserted on the state the agent left behind. No model judged another model.

exit 0 OK

Check it yourself

Raw transcript · Task definition and verifier · Every attempt