anti-slop-py: Python Linter Blocking AI Agent Type Escapes

RepositoryTinyFrontier/anti-slop-pyTool

anti-slop-py is a zero-dependency Python linter targeting low-evidence escape hatches generated by AI coding agents. It prevents patterns like excessive Any types, cast cascades, and unexplained type: ignore comments that agents use to satisfy type checkers without defining proper contracts.

Key points

  1. Flags common AI shortcuts: Any or object parameters, cast cascades, unexplained '# type: ignore', and ad-hoc isinstance narrowings.
  2. Purely syntactic analysis using Python standard library ast and tokenize with a local scope table, requiring no external type checker.
  3. Actionable diagnostics: Every rule instructs the agent on what to write instead of just reporting an error.
  4. Python port of the Oxlint-based TypeScript plugin anti-slop by dmmulroy.
  5. Designed primarily for vendoring into project repositories, while also providing pre-commit hooks, baselines, and diff-scoped reviews.

Why it matters

AI coding agents frequently silence type checkers by exploiting type system escape hatches rather than establishing robust domain models. anti-slop-py enforces code evidence by banning these low-signal workarounds.

Analysis

The project includes 15 implemented core rules, an opt-in FastAPI ruleset, and diff-based review tooling. It requires Python 3.12+ and maintains zero external runtime dependencies. While feature-complete in its initial scope and self-linting clean, the repository is nascent (5 stars) and serves as an emerging niche tool for engineering teams managing agent-generated Python code.

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Summary generated by AI (Gemini 3.8 Flash, 27 September 2026). It may contain errors – the original source is authoritative.

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