TEST-AND-LINT

TEST-AND-LINT is a command for Codex from dep/agent-rules. It costs 0 tokens per session (184 once invoked), scanned A, original, MIT.

A command for testing both the frontend and backend of an application, measuring test coverage, and checking code style with linters. A frontend is the user-facing part; a backend runs behind it.

In plain words
What is it for?
Use it after a change to run frontend and backend tests with coverage, fix failures, run both linters, and verify that coverage exceeds 80% across all packages.
Why use it?
It creates one checklist for finding failing tests, missing coverage, and code-quality errors across both parts of the application.

Command for Codex

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 commands/dep/agent-rules/test-and-lint
Clone the repo
git clone --depth 1 https://github.com/dep/agent-rules

Made for: Codex.

Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 184 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00000 $0.00184
Opus 5 $0.00000 $0.00092
Sonnet 5 $0.00000 $0.00037
Haiku 4.5 $0.00000 $0.00018

Measured 3d ago against content hash 13a128ade574, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

TEST-AND-LINT scanned grade A with 0 findings 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 3d ago.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/commands/TEST-AND-LINT.md · 16 lines

What it actually says

Fix and Failing Tests and Lint Errors

Overview

You are to run the tests of the frontend and backend with coverage enabled to ensure that both all tests are passing and the neccessary coverage is reached. You are also responsible for running the linter in both the frontend and backend to ensure that all linter errors have been handled accordingly

Steps

  1. Run the frontend tests with coverage and improve coverage where needed and fix any failing tests
  2. Run the frontend linter and fix any linting errors that appear
  3. Run the backend tests with coverage and improve coverage where needed and fix any failing tests
  4. Run the backend linter and fix any linting errors that appear

Important

This task is not complete until all 4 steps have been completed and all test are passing, linter errors are resolved, and coverage is above 80% across all packages.

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. 3d ago First seen · 16 lines · 0 tokens per session scan A 13a128ade574

Subscribe to this mod's changes

TEST-AND-LINT is a command published in the GitHub repository dep/agent-rules (11 stars, last pushed 2mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 184 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.