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by Hunter D

Framework-agnostic design principles for interaction, affordance, feedback, errors, and user control. Covers Fitts's Law, Affordance, Forgiveness, Feedback Loop, Errors, Constraint, Mapping, Expectation Effect, and Control.

by Aviv Sinai

GitHub CLI-style interface for Jenkins controllers - create multibranch jobs, inspect config.xml, and manage runs, logs, artifacts, credentials, nodes, and queues

by Aria Han

KERNEL is a Claude Code and Codex runtime for direct, decomposed execution with local memory and minimal hooks. Version 9.11.0 deploys the simplify deletion doctrine, preflight and verifier contract. Skills invoke as /kernel:<name> on Claude Code and $kernel:<name> on Codex; run /kernel:help first. Agent-readable summary: llms.txt.

by aklofas

KiCad electronics design review. Parse schematics and PCB layouts, run EMC pre-compliance and SPICE simulation, extract structured specs from datasheet PDFs, source components from major distributors, and prep boards for fabrication. Catches real design bugs before you order.

by Aviv Sinai

Langfuse observability - query traces, debug exceptions, analyze sessions, manage prompts via MCP tools

by Launch Fast

LaunchFast Amazon seller intelligence plugin for Codex with research, Seller, Brand Analytics, Ads, and FBA workflows.

by Avalon Reset

Legends SEO Dungeon is a Codex-first SEO game and portable skill suite with a structured local CLI bridge. 25 sub-skills (21 core + 1 orchestrator + 1 framework integration + 2 extension mirrors), 18 sub-agents, and 23 Codex profiles backed by the v2.2.5 SEO engine.

by epicsagas

Auto-compress .md, .html, .txt files read by coding agents via PreToolUse hook.

by abnegate

Shared session bus so Codex can list/read/handoff/send/spawn with Claude, Cursor, Grok, and friends without pasting context.

by MailAgent

Temporary inboxes for Codex OTP, magic links, and signup QA flows.

by MailAgent

Temporary inboxes for Codex OTP, magic links, and signup QA flows.

by Deon Menezes

Mantis offensive-security daemon — autonomous bug bounty hunter with 7-phase FSM (RECON → AUTH → HUNT → CHAIN → VERIFY → GRADE → REPORT), parallel hunter sub-agents, cryptographic scope enforcement, and BLAKE3/Ed25519 Merkle event logs. Use only against assets you own or have explicit written authorization to test.

by Oh My Cassette contributors

Edit local project media through a self-contained stdio MCP runtime that connects directly to Cassette.

by 0xsarwagya

Use Ontoly Software Graph evidence, CLI reports, MCP, and Agent Skills for deterministic TypeScript codebase understanding.

by AltByte

SEA personal-data-protection compliance guidance for engineers modifying code that touches personal data — Singapore PDPA, Thailand PDPA, Indonesia UU PDP, Malaysia PDPA, and Philippines Data Privacy Act.

by Duncan Main

Give Codex lasting project context in an Obsidian vault you control.

by HOL

Codex plugin wrapper for summon-first Registry Broker delegation on top of the canonical HOL Registry skill and CLI.

by Dmytro Sherstobitov

Deliberate Codex context compaction with a verified handoff and one-time continuation.

by AUN-PN

Website screenshot and UI crop extraction for Codex using Playwright and Sharp.

by Giancarlo Erra

Codebase intelligence: semantic search workflows, dependency graph analysis, and context artifact exploration for SocratiCode

by Erfouni

Knowledge-backed SolidWorks design workflows for Codex, with rule checks and consent-based session learning.

by habib0x

Spec-driven development workflow with structured requirements, design, tasks, and autonomous execution.

by stark contributors

UI/UX design plugin for AI coding agents. Routes product flow, platform idiom, originality, motion, assets, and tokens before implementation.

by Daniel Dewhurst

A suite of cross-referenced skills and CLI maintenance tools for end-to-end story writing powered by markdown. Covers premise development, story initialization, character management, worldbuilding, plot structure, chapter writing, line editing, revision passes, continuity, pacing and fair-play checks, editorial review, research, publishing and print production, adaptation, validation, reporting, indexing, word counts, and manuscript export.