Python Security Scan

A security scanner for Python projects, including Flask, Django, and FastAPI web applications. It checks source code and project dependencies for common security weaknesses and known vulnerabilities.

In plain words
What is it for?
Use it for security reviews, pre-release checks, dependency audits, and reviews of Python applications using Flask, Django, or FastAPI.
Why use it?
It helps find risky code, exposed passwords or API keys, unsafe input handling, and vulnerable libraries before they reach users or production.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/sugarforever/01coder-agent-skills/python-security-scan
Any agent
npx skills add sugarforever/01coder-agent-skills --skill python-security-scan
Clone the repo
git clone --depth 1 https://github.com/sugarforever/01coder-agent-skills

Made for: Claude Code, Codex.

Per session 64 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,746 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00064 $0.01746
Opus 5 $0.00032 $0.00873
Sonnet 5 $0.00013 $0.00349
Haiku 4.5 $0.00006 $0.00175

Measured 2d ago against content hash 8d2b9e69da8b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

Python Security Scan scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/dependency-audit.sh, scripts/pattern-scanner.py, scripts/secret-scanner.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

- Command injection via `subprocess`, `os.system`
skills/python-security-scan/SKILL.md · 208 lines

How it starts

The opening of the file, as written. The whole thing — 208 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Python Security Scan Skill

This skill enables comprehensive security scanning of Python projects based on OWASP guidelines, Python security best practices, and framework-specific vulnerabilities.

When to Use This Skill

  • Security audits of Python applications
  • Code review for security vulnerabilities
  • Pre-deployment security checks
  • Dependency vulnerability assessment
  • Detecting hardcoded secrets and credentials
  • Framework-specific security reviews (Flask, Django, FastAPI)

Supported Frameworks

This skill automatically detects and applies framework-specific checks for:

  • Flask - Template injection, session security, CORS, extensions
  • Django - ORM injection, CSRF, template security, settings
  • FastAPI - Dependency injection, Pydantic validation, OAuth2
  • General Python - Core language vulnerabilities applicable to all projects

Scan Types

1. Quick Scan

Fast scan focusing on critical vulnerabilities:

  • Hardcoded secrets, API keys, and credentials
  • Dangerous function usage (eval, exec, pickle.loads)
  • Command injection via subprocess, os.system
  • SQL injection patterns
  • Known vulnerable dependencies

2. Full Scan

Comprehensive security assessment covering:

  • All OWASP Top 10:2025 categories
  • Python-specific vulnerabilities
  • Framework-specific security issues
  • Injection vulnerabilities (SQL, NoSQL, Command, LDAP)
  • Insecure deserialization
  • Authentication and authorization flaws
  • Cryptographic failures
  • Security misconfigurations
  • Dependency audit (CVE check)
  • Environment variable and secrets exposure

3. Targeted Scan

Focus on specific vulnerability categories:

  • --injection - SQL/NoSQL/Command/LDAP injection
  • --deserialization - Pickle, YAML, JSON deserialization
  • --auth - Authentication/authorization issues
  • --secrets - Hardcoded credentials
  • --deps - Dependency vulnerabilities
  • --crypto - Cryptographic issues
  • --flask - Flask-specific vulnerabilities
  • --django - Django-specific vulnerabilities
  • --fastapi - FastAPI-specific vulnerabilities

Read the full file on GitHub · 208 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 208 lines · 64 tokens per session scan A 8d2b9e69da8b

Subscribe to this mod's changes

Python Security Scan is a skill published in the GitHub repository sugarforever/01coder-agent-skills (133 stars, last pushed 2mo ago), licensed MIT. It adds 64 tokens to every session and 1,746 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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