Grades are a hygiene check, not a security guarantee.

MCP, MCP server

repobrain

🧠 RepoBrain (formerly Antigravity) — Give your repo a brain.

Compatibility: Not stated.

Grade C

One Medium finding. Read the findings before installing.

Graded by PlugVetRubric v2

Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.

Rescanned at commit 064e6a1ee1a3, unchanged since the check below.

INSTALL_REMOTE_SCRIPT

Why this grade

  • INSTALL_REMOTE_SCRIPT Medium

    Fetches a script from the network and runs it (a pipe to a shell, or an install hook with a URL).

    docs/en/SANDBOX.md, line 31 curl -sSL https://get.microsandbox.dev | sh

Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.

If you think this grade is wrong, email [email protected] with the entry link and your evidence. We aim to acknowledge within two working days and decide within seven. If we confirm an error, we aim to correct it within 24 hours of confirming it. These are aims, not guarantees.

Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.

What was checked

Plain notes from the hygiene checks.

  • Permissions

    Concern

    can delete files.

    PERMISSION_DELETE_FILES

    benchmarks/codegraph-comparison/scripts/capture_trae_jsonl.py, line 39

    completed = subprocess.run(

    benchmarks/codegraph-comparison/scripts/judge_benchmark_v2.py, line 256

    dirty = subprocess.run(

    benchmarks/codegraph-comparison/scripts/judge_benchmark_v2.py, line 263

    actual = subprocess.run(

    Show more

    benchmarks/codegraph-comparison/scripts/judge_benchmark_v2.py, line 278

    completed = subprocess.run([

    benchmarks/codegraph-comparison/scripts/judge_benchmark_v2.py, line 296

    head = subprocess.run(

    benchmarks/codegraph-comparison/scripts/prepare_corpora.py, line 40

    completed = subprocess.run(

    benchmarks/codegraph-comparison/scripts/prepare_corpora.py, line 86

    completed = subprocess.run(

    benchmarks/codegraph-comparison/scripts/prepare_corpora.py, line 123

    shutil.rmtree(generated)

    benchmarks/codegraph-comparison/scripts/prepare_corpora.py, line 160

    shutil.rmtree(backup)

    benchmarks/codegraph-comparison/scripts/prepare_corpora.py, line 175

    shutil.rmtree(index)

    benchmarks/codegraph-comparison/scripts/prepare_corpora.py, line 237

    shutil.rmtree(index)

    benchmarks/codegraph-comparison/scripts/run_benchmark_v2.py, line 121

    completed = subprocess.run(

    cli/src/rb_cli/cli.py, line 623

    shutil.rmtree(item, ignore_errors=True)

    engine/repobrain_engine/hub/storage.py, line 237

    shutil.rmtree(path)

  • Install and update

    Serious

    install fetches a script from the network.

    INSTALL_REMOTE_SCRIPT

    docs/en/SANDBOX.md, line 31

    curl -sSL https://get.microsandbox.dev | sh

    docs/es/SANDBOX.md, line 32

    curl -sSL https://get.microsandbox.dev | sh

    docs/zh/SANDBOX.md, line 30

    curl -sSL https://get.microsandbox.dev | sh

  • Network

    Concern

    can reach a host that is not written as a fixed address.

    NETWORK_NO_FIXED_HOST

    cli/src/rb_cli/cli.py, line 238

    with urllib.request.urlopen(request, timeout=5):

    cli/src/rb_cli/cli.py, line 244

    response = requests.get(

    engine/repobrain_engine/sandbox/microsandbox_exec.py, line 72

    response = requests.post(

    Show more

    engine/repobrain_engine/tools/ollama_local.py, line 37

    resp = requests.post(url, json=payload, timeout=60)

    engine/repobrain_engine/tools/openai_proxy.py, line 60

    response = requests.post(url, json=payload, headers=headers, timeout=30)

    artifacts/benchmark-2026-05-09/grades_v4_tools.json, line 70

    "note": "Correctly traces requests.get from the module helper through Session, PreparedRequest, adapter send, urllib3 urlopen, response wrapping, body read, and cleanup."

    artifacts/benchmark-2026-05-09/questions_v4.json, line 14

    {"id": "rq-x1", "type": "cross-cutting","q": "Trace what happens when a user calls `requests.get(url)` end-to-end: from module-level helper to actual socket I/O."}

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_ENV_READ SECRETS_PATH_DOTENV

    cli/src/rb_cli/cli.py, line 141

    """Load simple KEY=VALUE entries from the workspace .env plus process env."""

    cli/src/rb_cli/cli.py, line 142

    env_path = workspace / ".env"

    cli/src/rb_cli/cli.py, line 317

    config = generation_config(Settings(_env_file=str(workspace / ".env")))

    Show more

    cli/src/rb_cli/cli.py, line 541

    config_source = ".env" if env_exists else "process env"

    cli/src/rb_cli/cli.py, line 553

    reason = ".env missing" if not env_exists else f"missing {', '.join(missing)}"

    cli/src/rb_cli/cli.py, line 554

    _doctor_print(f"✗ .env config: {reason}; run rb-setup")

    engine/install.sh, line 57

    if [ ! -f ".env" ]; then

    engine/install.sh, line 58

    cat > .env << 'EOF'

    engine/repobrain_engine/sandbox/microsandbox_exec.py, line 38

    self._api_key = os.getenv("MSB_API_KEY", "").strip() or None

  • Agent instructions

    Pass

    No instruction to ignore earlier instructions or to hide a step.

  • Obfuscation

    Note

    a file was over the read cap and was not fully read.

    OBFUSCATION_FILE_OVER_READ_CAP

    benchmarks/codegraph-comparison/results/fair-e2e-turbo.json, line 1

    {

  • Licence

    Pass

    A licence file is present (LICENSE).

  • Maintainer activity

    Pass

    The latest commit is within the last 365 days.

Note

Hygiene check of commit 064e6a1ee1a3. can delete files. install fetches a script from the network. can reach a host that is not written as a fixed address. reads a credential or environment file. a file was over the read cap and was not fully read.

Date and source

Date checked:

View source

github.com

Commit graded: 064e6a1ee1a3364dbc34389c95bea5d8087f31e6

This link goes to the original host. PlugVet does not host or check what you download from there, and installing it is your own decision and risk.

Read how this letter is chosen