jtsang4/efficient-coding

A curated collection of reusable AI coding skills, MCP server configs, and engineering playbooks for faster, more systematic software development.

2Stars on the repository
35Mods indexed here, across every type
8d agoLast push, which is what freshness is scored on
MITLicence, which decides whether bodies are shown

jtsang4/efficient-coding

Skill Codex

Assess whether external material such as a paper, article, repository, design, talk, internal document, or benchmark offers meaningful improvements for an existing project. Use when the user asks to read material, relate it to a project, identify applicable ideas, compare it with current implementation, or recommend…

not rated 2 8d ago A 72 tokens original MIT

brainstorming

02

jtsang4/efficient-coding

Skill Claude CodeCodex

A guided process for developing an idea into a detailed design and specification through conversation. It first examines the project, asks focused questions, compares possible approaches, and develops the design in sections.

not rated 2 8d ago A 46 tokens copy · 80% MIT

coaching-engine

03

jtsang4/efficient-coding

Skill Claude CodeCodex

A shared interview engine for report and planning coaching, with rules for asking one question at a time and confirming judgments with the user.

not rated 2 8d ago A 39 tokens original MIT

codex-skill-creator

04

jtsang4/efficient-coding

Skill Claude CodeCodex

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

not rated 2 8d ago A 67 tokens copy · 80% MIT

cubox-research

05

jtsang4/efficient-coding

Skill Claude CodeCodex

Search a user's Cubox collection deeply by topic, theme, or question. Use this whenever the user asks to search Cubox, saved articles, archived reads, or collected pages for a subject, wants multiple keyword variations tried, wants full-text search across Cubox, or needs article details exported from Cubox HTML into…

not rated 2 8d ago A 77 tokens original MIT

dev-browser

06

jtsang4/efficient-coding

Skill Claude CodeCodex

Browser automation with persistent page state. Use when users ask to navigate websites, fill forms, take screenshots, extract web data, test web apps, or automate browser workflows. Trigger phrases include "go to [url]", "click on", "fill out the form", "take a screenshot", "scrape", "automate", "test the website"…

not rated 2 8d ago A 84 tokens original MIT

exa-web-search

07

jtsang4/efficient-coding

Skill Claude CodeCodex

Free AI search via Exa MCP. Web search for news/info, code search for docs/examples from GitHub/StackOverflow, company research for business intel. No API key needed.

not rated 2 8d ago B 41 tokens copy · 98% MIT

executing-plans

08

jtsang4/efficient-coding

Skill Claude CodeCodex

Use when you have a written implementation plan to execute in a separate session with review checkpoints.

not rated 2 8d ago A 22 tokens copy · 86% MIT

jtsang4/efficient-coding

Skill Claude CodeCodex

Create, modify, evaluate, and package portable Agent Skills for coding agents. Use this skill when users want to create a skill from scratch, turn a workflow into a reusable skill, improve an existing skill, set up evals, compare skill behavior against a baseline, or optimize skill trigger descriptions across agent…

not rated 2 8d ago A 68 tokens original MIT

harness

10

jtsang4/efficient-coding

Skill Claude CodeCodex

Transform any code project into one optimized for AI agent collaboration through harness engineering. Scans the codebase to detect structure, patterns, and tooling, extracts implicit engineering knowledge through guided choice-based questions, and generates minimal structured context documents plus engineering changes…

not rated 2 8d ago A 198 tokens original MIT

i-diagram

11

jtsang4/efficient-coding

Skill Claude CodeCodex

Create professional SVG diagrams of any type — architecture diagrams, flowcharts, sequence diagrams, structural diagrams, mind maps, timelines, illustrative/conceptual diagrams, and more. Supports light (default) and dark themes. Use this skill whenever the user asks for any kind of technical or conceptual diagram…

not rated 2 8d ago A 151 tokens original MIT

memos

12

jtsang4/efficient-coding

Skill Claude CodeCodex

Use this skill whenever the user wants to work with the Memos REST API for memos, attachments, or activities, including creating, reading, querying, updating, deleting memos, managing memo comments/reactions/relations/attachments, listing and inspecting activities, or creating memos with hashtag-based tagging after…

not rated 2 8d ago A 73 tokens original MIT

merge-and-rebase

13

jtsang4/efficient-coding

Skill Claude CodeCodex

Ship a finished feature branch end to end - commit and push, open a pull/merge request against the trunk branch, merge it without squashing, then rebase the feature branch onto the updated trunk. Use when the user says work on this branch is done and asks to submit, raise a PR/MR, merge it, land it, or sync the branch…

not rated 2 8d ago A 82 tokens original MIT

plan-coaching

14

jtsang4/efficient-coding

Skill Claude CodeCodex

A Chinese-language coaching workflow for developing or reviewing a plan, roadmap, project proposal, or direction document.

not rated 2 8d ago A 63 tokens original MIT

plan-me

15

jtsang4/efficient-coding

Skill Claude Code

A planning skill that uses an interview in Chinese to organize planning material from scratch. It can be started with the /plan-coaching command and a planning topic.

not rated 2 8d ago A 16 tokens original MIT

plan-review

16

jtsang4/efficient-coding

Skill Claude Code

A review session for questioning and checking an existing plan document. The description uses Chinese instructions and refers to a planning-coaching session.

not rated 2 8d ago A 14 tokens original MIT

readwise-research

17

jtsang4/efficient-coding

Skill Claude CodeCodex

Build a topic-centered research memo from the user's Readwise Reader documents and Readwise highlights. Use this whenever the user asks what they have already read, saved, highlighted, or been reading about a topic, wants a reading brief or research memo from their own library, wants evidence and tensions synthesized…

not rated 2 8d ago A 160 tokens original MIT

report-coaching

18

jtsang4/efficient-coding

Skill Claude CodeCodex

A reporting coach that interviews you to build a presentation or reviews an existing report against an audience-focused checklist. It is designed for status updates, monthly reports, performance reviews, and similar work.

not rated 2 8d ago A 68 tokens original MIT

report-me

19

jtsang4/efficient-coding

Skill Claude Code

An interview-based workflow for organising raw material into a presentation or briefing document.

not rated 2 8d ago A 17 tokens original MIT

report-review

20

jtsang4/efficient-coding

Skill Claude Code

A review workflow for checking an existing presentation against an audience-focused checklist. The instructions are in Chinese and start a /report-coaching session for the document you provide.

not rated 2 8d ago A 21 tokens original MIT

see

21

jtsang4/efficient-coding

Skill Claude CodeCodex

S.EE (SEE) platform API integration for short URL management, text sharing, and file sharing.

not rated 2 8d ago A 23 tokens original MIT

shape

22

jtsang4/efficient-coding

Skill Claude CodeCodex

Product thinking tool that helps shape vague ideas into clear, structured design decisions before and during development. Use this skill whenever the user invokes /shape, or asks to "think through" a product idea, "plan out" what to build, "define requirements", "spec out" a feature, "shape" an idea, or wants help…

not rated 2 8d ago A 153 tokens original MIT

jtsang4/efficient-coding

Skill Claude CodeCodex

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

not rated 2 8d ago A 21 tokens copy · 94% MIT

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