Grades are a hygiene check, not a security guarantee.

MCP, MCP server

Agentic Analytics System

A local, open-source stack for building conversational data agents and semantic reasoning workflows over an Iceberg Lakehouse.

Compatibility: Not stated.

Grade C

One Medium finding. Read the report before installing.

Graded by PlugVetRubric v2

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

PERMISSION_SHELL_UNDECLARED

Why this grade

  • PERMISSION_SHELL_UNDECLARED Medium

    Runs shell commands that the manifest or description does not mention.

    src/semantic_engine/manage_semantics.py, line 143 shutil.rmtree(PROJECT_DIR)

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.

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. requests shell access. No manifest field names shell or command execution.

    PERMISSION_SHELL_UNDECLARED PERMISSION_DELETE_FILES

    src/semantic_engine/manage_semantics.py, line 143

    shutil.rmtree(PROJECT_DIR)

    src/semantic_engine/manage_semantics.py, line 318

    shutil.rmtree(path)

    src/semantic_engine/manage_semantics.py, line 369

    subprocess.run(["wren", "context", "validate"], cwd=f"{PROJECT_DIR}", check=True)

    Show more

    src/semantic_engine/manage_semantics.py, line 371

    subprocess.run(["wren", "context", "build"], cwd=f"{PROJECT_DIR}", check=True)

    src/semantic_engine/manage_semantics.py, line 384

    subprocess.run(["wren", "memory", "index"], cwd=f"{PROJECT_DIR}", check=True)

    src/semantic_engine/manage_semantics.py, line 397

    subprocess.run(["wren", "--sql", sql_query], cwd=f"{PROJECT_DIR}", check=True)

    src/semantic_engine/manage_semantics.py, line 409

    subprocess.run(["wren", "memory", "watch", "-i", "2"], cwd=f"{PROJECT_DIR}", check=True)

    src/semantic_engine/manage_semantics.py, line 423

    subprocess.run(["wren", "dry-plan", "--sql", sql_query], cwd=f"{PROJECT_DIR}", check=True)

  • Install and update

    Pass

    No install-time script found, and dependencies are pinned or absent.

  • Network

    Pass

    No network call found.

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_ENV_READ SECRETS_PATH_DOTENV

    evaluations/evaluate_semantics.py, line 211

    load_dotenv(os.path.join(os.path.dirname(__file__), "..", "src", "agent", ".env"))

    src/agent/orchestrator.py, line 29

    "Set it in your .env file (e.g. AGENT_MODEL=gemini/gemini-2.5-flash)."

    src/agent/orchestrator.py, line 40

    "Set it in your .env file (e.g. BEDROCK_MODEL_ID=anthropic.claude-sonnet-4-20250514-v1:0)."

    Show more

    src/agent/orchestrator.py, line 46

    "Set it in your .env file (e.g. AWS_REGION=ap-southeast-2)."

    src/agent/orchestrator.py, line 52

    "Set it in your .env file (e.g. AWS_PROFILE=default)."

    src/agent/orchestrator.py, line 81

    # Load environment variables from .env if present

    src/agent/orchestrator.py, line 155

    valkey_url = os.environ.get("VALKEY_URL", "redis://user:password@localhost:6379")

    src/data_pipeline/generate_data.py, line 59

    access_key=os.getenv("S3_ACCESS_KEY", "user"),

    src/data_pipeline/generate_data.py, line 60

    secret_key=os.getenv("S3_SECRET_KEY", "password"),

    .gitignore, line 155

    # Environments

    PRODUCTION_CONSIDERATIONS.md, line 469

    * Use a secrets manager rather than `.env` files in production.

  • Agent instructions

    Pass

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

  • Obfuscation

    Pass

    No encoded or minified payload found.

  • Licence

    Pass

    A licence file is present (LICENSE).

  • Maintainer activity

    Pass

    The latest commit is within the last 365 days.

Get the full report on this tool, £49

Note

Hygiene check of commit ff416bc41580. can delete files. requests shell access. No manifest field names shell or command execution. reads a credential or environment file.

Date and source

Date checked:

View source

github.com

Commit graded: ff416bc41580a78f89df5f013b449168eed07483

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Read how this letter is chosen