implement-feature

implement-feature is a cursor rule for Cursor from ApexIQ/skillsmith. It costs 103 tokens per session, scanned A, a copy of benchmark, MIT.

A project workflow for adding a requested feature to an existing codebase. It includes project-specific guidance and asks for validation after the change.

In plain words
What is it for?
Use it to implement features in Click, pytest, and the listed architecture libraries, then run the closest project checks.
Why use it?
It gives feature work a defined process and reduces the chance of changes being left untested.

Cursor rule for Cursor

Written for Cursor: installed under .cursor/.

Good fit Use it to implement features in Click, pytest, and the listed architecture libraries, then run the closest project checks.

Compare 6 cursor rules from other repositories ↓
Install with agentmods
npx agentmods add rules/apexiq/skillsmith/implement-feature
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.

Clone the repo
git clone --depth 1 https://github.com/ApexIQ/skillsmith

Made for: Cursor.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for implement-feature

README.md
[![agentmods](https://agentmods.dev/badge/rules/apexiq/skillsmith/implement-feature/github.svg)](https://agentmods.dev/rules/apexiq/skillsmith/implement-feature)
Your own site
<a href="https://agentmods.dev/rules/apexiq/skillsmith/implement-feature"><img src="https://agentmods.dev/badge/rules/apexiq/skillsmith/implement-feature/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for implement-feature

Your own site · 80×15
<a href="https://agentmods.dev/rules/apexiq/skillsmith/implement-feature"><img src="https://agentmods.dev/badge/rules/apexiq/skillsmith/implement-feature.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 103 This file is loaded in full into every session.
When invoked 103 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 86% copy Near-identical to another mod 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 5.1 $0.00103 $0.00103
Opus 5.5 $0.00041 $0.00041
Sonnet 5.5 $0.00021 $0.00021
Haiku 4.5 $0.00010 $0.00010

Measured 1mo ago against content hash bd35d42654d1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

implement-feature 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 1mo 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.

Origin

This is a copy

86% identical to benchmark — 6 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.cursor/rules/workflows/implement-feature.mdc · 11 lines

What it actually says

  • Read .agent/workflows/implement-feature.md.
  • Goal: implement feature for library click, pytest, arch-business-logic, arch-ui, arch-unknown
  • Skills: notebooklm, javascript_testing_patterns, makepad_skills, context7_auto_research, loki_mode
  • Follow the workflow steps, then verify with project tests or the closest validation command.
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. 1mo ago First seen · 11 lines · 103 tokens per session scan A bd35d42654d1

Subscribe to this mod's changes

implement-feature is a cursor rule published in the GitHub repository ApexIQ/skillsmith (5 stars, last pushed 7mo ago), licensed MIT. It adds 103 tokens to every session, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 86% identical to benchmark, differing in 6 lines, and is treated as a copy.

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