implementation-guides-react

implementation-guides-react is a cursor rule for Cursor from julianoczkowski/create-trimble-app. It costs 0 tokens per session (2,405 once invoked), scanned A, original, MIT.

A detailed process for planning and documenting major features in React and Vite projects. It calls for a written implementation guide before coding, review of the plan, and updates with lessons learned.

In plain words
What is it for?
Use it for new complex views, component libraries, external services, authentication, data management, routing, performance, accessibility, or tooling changes.
Why use it?
It makes large changes easier to organize, review, test, and maintain by keeping the intended approach and results in writing.

Cursor rule for Cursor

Written for Cursor: installed under .cursor/.

Good fit Use it for new complex views, component libraries, external services, authentication, data management, routing, performance, accessibility, or tooling changes.

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Install with agentmods
npx agentmods add rules/julianoczkowski/create-trimble-app/implementation-guides-react
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/julianoczkowski/create-trimble-app

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 implementation-guides-react

README.md
[![agentmods](https://agentmods.dev/badge/rules/julianoczkowski/create-trimble-app/implementation-guides-react.svg)](https://agentmods.dev/rules/julianoczkowski/create-trimble-app/implementation-guides-react)
Your own site
<a href="https://agentmods.dev/rules/julianoczkowski/create-trimble-app/implementation-guides-react"><img src="https://agentmods.dev/badge/rules/julianoczkowski/create-trimble-app/implementation-guides-react.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Nothing until a file matches its globs; then the whole rule loads.
When invoked 2,405 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00000 $0.02405
Opus 5 $0.00000 $0.01203
Sonnet 5 $0.00000 $0.00481
Haiku 4.5 $0.00000 $0.00241

Measured 4d ago against content hash b0bdf27f723b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

implementation-guides-react 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 4d 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

Copies of this mod

1 near-identical copy found in the catalogue:

templates/react/.cursor/rules/implementation-guides-react.mdc · 447 lines

How it starts

The opening of the file, as written. The whole thing — 447 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Implementation Guide Documentation Rules for React + Vite

📋 Pre-Development Documentation Requirements

🚨 MANDATORY: Implementation Guide Creation

BEFORE starting ANY major feature development, you MUST:

  1. Create a comprehensive implementation guide in /implementation_guides/
  2. Document the complete approach before writing any code
  3. Get stakeholder review of the implementation plan
  4. Update guides with lessons learned during and after implementation

🎯 What Constitutes a "Major Feature"

Always create implementation guides for:

  • ✅ New page/view components with complex functionality
  • ✅ New reusable component libraries or design system additions
  • ✅ Integration with external APIs or services
  • ✅ Authentication, authorization, or security features
  • ✅ Data management patterns (stores, state management)
  • ✅ Routing or navigation changes
  • ✅ Performance optimization initiatives
  • ✅ Accessibility improvements or compliance work
  • ✅ Build process, tooling, or infrastructure changes
  • ✅ Any feature requiring more than 2 hours of development time

Skip implementation guides for:

  • ❌ Simple bug fixes (< 30 minutes)
  • ❌ Minor text or styling tweaks
  • ❌ Documentation updates
  • ❌ Dependency version updates (unless breaking changes)

📁 Implementation Guide Structure

📍 File Location & Naming

implementation_guides/
├── feature-name-YYYY-MM-DD.md          # New feature guides
├── integration-api-name-YYYY-MM-DD.md  # API integration guides
├── component-library-YYYY-MM-DD.md     # Component development guides
└── performance-optimization-YYYY-MM-DD.md # Performance guides

Naming Convention:

  • Use kebab-case for file names
  • Include date for chronological tracking
  • Be descriptive but concise
  • Examples:
    • user-dashboard-2025-01-15.md
    • modus-table-component-2025-01-15.md
    • auth0-integration-2025-01-15.md

📋 Required Implementation Guide Template

Every implementation guide MUST include these sections:

Read the full file on GitHub · 447 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. 4d ago First seen · 447 lines · 0 tokens per session scan A b0bdf27f723b

Subscribe to this mod's changes

implementation-guides-react is a cursor rule published in the GitHub repository julianoczkowski/create-trimble-app (3 stars, last pushed 2mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 2,405 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 2026-09-03.