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

claude-opus-4-8 · d1_storage · rep 1

pass
model
claude-opus-4-8
task
d1_storage
rep
1
day
1
steps
7
tokens
19,038
est. cost
$0.229
agent time
35s
wave
s4c
started
2026-07-26T01:56:10Z

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. Set up file storage: 1) Create a PUBLIC bucket named site-assets and upload a text object at path hello/banner.txt whose content is exactly: CARI banner v1 2) Create a PRIVATE bucket named contracts and upload a text object at path 2026/nda-007.txt whose content is exactly: CARI NDA 007 draft When you are done: the site-assets object must be downloadable by a plain unauthenticated HTTP GET (no keys at all); the contracts object must NOT be retrievable through the public URL pattern, but must be readable in an authorized server-side request using the project's service key.

What it ran — 7 commands

#1exit 0
env | grep -i supabase | sed 's/\(KEY=\).*/\1<hidden>/; s/\(PASSWORD=\).*/\1<hidden>/; s/\(DB_URL=\).*/\1<hidden>/'
SUPABASE_DB_PASSWORD=<hidden>
SUPABASE_DB_URL=<hidden>
SUPABASE_URL=https://<ref>.supabase.co
SUPABASE_SERVICE_ROLE_KEY=<hidden>
SUPABASE_PROJECT_REF=<ref>
SUPABASE_ANON_KEY=<hidden>
#2exit 0
which curl jq psql 2>/dev/null; curl --version | head -1
/usr/bin/curl
/usr/bin/jq
/usr/bin/psql
curl 7.88.1 (x86_64-pc-linux-gnu) libcurl/7.88.1 OpenSSL/3.0.20 zlib/1.2.13 brotli/1.0.9 zstd/1.5.4 libidn2/2.3.3 libpsl/0.21.2 (+libidn2/2.3.3) libssh2/1.10.0 nghttp2/1.52.0 librtmp/2.3 OpenLDAP/2.5.13
#3exit 0
curl -s -X POST "$SUPABASE_URL/storage/v1/bucket" \
  -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" \
  -H "apikey: $SUPABASE_SERVICE_ROLE_KEY" \
  -H "Content-Type: application/json" \
  -d '{"id":"site-assets","name":"site-assets","public":true}'
echo
curl -s -X POST "$SUPABASE_URL/storage/v1/bucket" \
  -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" \
  -H "apikey: $SUPABASE_SERVICE_ROLE_KEY" \
  -H "Content-Type: application/json" \
  -d '{"id":"contracts","name":"contracts","public":false}'
echo
{"name":"site-assets"}
{"name":"contracts"}
#4exit 127
printf 'CARI banner v1' > /tmp/banner.txt
printf 'CARI NDA 007 draft' > /tmp/nda-007.txt
echo "banner bytes:"; wc -c < /tmp/banner.txt; xxd /tmp/banner.txt
echo "nda bytes:"; wc -c < /tmp/nda-007.txt; xxd /tmp/nda-007.txt
banner bytes:
14
nda bytes:
18
bash: line 3: xxd: command not found
bash: line 4: xxd: command not found
#5exit 0
curl -s -X POST "$SUPABASE_URL/storage/v1/object/site-assets/hello/banner.txt" \
  -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" \
  -H "apikey: $SUPABASE_SERVICE_ROLE_KEY" \
  -H "Content-Type: text/plain" \
  --data-binary @/tmp/banner.txt
echo
curl -s -X POST "$SUPABASE_URL/storage/v1/object/contracts/2026/nda-007.txt" \
  -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" \
  -H "apikey: $SUPABASE_SERVICE_ROLE_KEY" \
  -H "Content-Type: text/plain" \
  --data-binary @/tmp/nda-007.txt
echo
{"Key":"site-assets/hello/banner.txt","Id":"6dec4318-cfcd-499a-8d95-05b0f7283807"}
{"Key":"contracts/2026/nda-007.txt","Id":"9cf17d63-40c8-4790-8618-b9f9e87f9b67"}
#6exit 0
echo "=== 1) PUBLIC site-assets via plain unauthenticated GET ==="
curl -s -w "\nHTTP %{http_code}\n" "$SUPABASE_URL/storage/v1/object/public/site-assets/hello/banner.txt"

echo
echo "=== 2a) PRIVATE contracts via public URL (should FAIL) ==="
curl -s -w "\nHTTP %{http_code}\n" "$SUPABASE_URL/storage/v1/object/public/contracts/2026/nda-007.txt"

echo
echo "=== 2b) PRIVATE contracts via authenticated service-key GET (should SUCCEED) ==="
curl -s -w "\nHTTP %{http_code}\n" "$SUPABASE_URL/storage/v1/object/contracts/2026/nda-007.txt" \
  -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" \
  -H "apikey: $SUPABASE_SERVICE_ROLE_KEY"
=== 1) PUBLIC site-assets via plain unauthenticated GET ===
CARI banner v1
HTTP 200

=== 2a) PRIVATE contracts via public URL (should FAIL) ===
{"statusCode":"404","error":"Bucket not found","message":"Bucket not found"}
HTTP 400

=== 2b) PRIVATE contracts via authenticated service-key GET (should SUCCEED) ===
CARI NDA 007 draft
HTTP 200
#7exit 0
a=$(curl -s "$SUPABASE_URL/storage/v1/object/public/site-assets/hello/banner.txt")
b=$(curl -s "$SUPABASE_URL/storage/v1/object/contracts/2026/nda-007.txt" -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" -H "apikey: $SUPABASE_SERVICE_ROLE_KEY")
[ "$a" = "CARI banner v1" ] && echo "banner OK" || echo "banner MISMATCH: [$a]"
[ "$b" = "CARI NDA 007 draft" ] && echo "nda OK" || echo "nda MISMATCH: [$b]"
banner OK
nda OK

What it said at the end

Task complete. Here's a summary of what I set up on the Supabase project: ## Buckets created - **`site-assets`** — PUBLIC bucket - **`contracts`** — PRIVATE bucket ## Objects uploaded - `site-assets/hello/banner.txt` → content exactly `CARI banner v1` (14 bytes, no trailing newline) - `contracts/2026/nda-007.txt` → content exactly `CARI NDA 007 draft` (18 bytes, no trailing newline) ## Verification results 1. **Public download works with no keys** — plain unauthenticated `GET .../object/public/site-assets/hello/banner.txt` → **HTTP 200**, returned `CARI banner v1`. 2. **Private object is NOT exposed via the public URL** — `GET .../object/public/contracts/2026/nda-007.txt` → **rejected** ("Bucket not found", since public routing doesn't serve a private bucket). 3. **Private object IS readable server-side with the service key** — authenticated `GET .../object/contracts/2026/nda-007.txt` with the service-role bearer token → **HTTP 200**, returned `CARI NDA 007 draft`. Both objects also passed an exact byte-for-byte content check. All requirements are satisfied.

6 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