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Agent skill

Interaction Router

by hashgraph-online in hashgraph-online/awesome-codex-plugins

A skill your agent uses whenever a design task involves what users can do and what happens when they do it — affordances, feedback, errors, undo, confirmation, target sizing, keyboard handling…

Apache-2.0Auto-check passedFrontend & Design

Install Interaction Router

skills CLI
$ npx skills add hashgraph-online/awesome-codex-plugins --skill interaction-router -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install hashgraph-online/awesome-codex-plugins interaction-router --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/HDeibler/universal-design-principles/plugins/interaction-and-control-principles/skills/interaction-router .claude/skills/interaction-router && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
interaction-router
GitHub stars
1.2k
Token cost
~1.1k tokens
SKILL.md length
394 words
Files
2 (incl. references)
Skills in repo
686
Repo updated
First seen
Licence
Apache-2.0

At a glance

A skill your agent uses whenever a design task involves what users can do and what happens when they do it — affordances, feedback, errors, undo, confirmation, target sizing, keyboard handling…

  • A design task involves what users can do and what happens when they do it — affordances
  • SKILL.md covers Principles in this plugin, Heuristic for which to read… and Cross-plugin pointers
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Keyboard handling

What it does

Interaction Router is an agent skill from hashgraph-online/awesome-codex-plugins. Use this skill whenever a design task involves what users can do and what happens when they do it — affordances, feedback, errors, undo, confirmation, target sizing, keyboard handling, modal vs. non-modal decisions, destructive actions, validation. Trigger when the user mentions buttons, forms, validation, error states, loading states, drag-and-drop, undo, confirmation dialogs, keyboard shortcuts, target sizes, "users keep deleting things," misclicks, or "should this be a popover or a dialog." Framework-agnostic…

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/further-reading.md`).

It sits in Frontend & Design, covering Forms and validation. The repository describes itself as: A curated list of awesome OpenAI Codex / ChatGPT plugins, skills, and resources. The 1 Codex Marketplace. See live plugins at: https://hol.org/plugins/best-codex-plugins. The licence is Apache-2.0.

When your agent uses it

  • A design task involves what users can do and what happens when they do it — affordances
  • Keyboard handling
  • The user mentions buttons
  • Confirmation dialogs

Example prompts

  • “users keep deleting things,”
  • “should this be a popover or a dialog.”
  • “/interaction-router”

What it can do on your machine

Read from SKILL.md and the folder at commit 78497e5. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Interaction Router loads about 1.1k tokens when it runs, and up to ~1.9k if it reads all its reference files. Until then it costs about 152 tokens; SKILL.md has 394 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~152
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.9k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from hashgraph-online/awesome-codex-plugins at commit 78497e5, republished under its Apache-2.0 licence (© hashgraph-online). 394 words, ~1,123 tokens.

Download SKILL.mdSave it as .claude/skills/interaction-router/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
interaction-router
description
Use this skill whenever a design task involves what users *can do* and what happens when they do it — affordances, feedback, errors, undo, confirmation, target sizing, keyboard handling, modal vs. non-modal decisions, destructive actions, validation. Trigger when the user mentions buttons, forms, validation, error states, loading states, drag-and-drop, undo, confirmation dialogs, keyboard shortcuts, target sizes, "users keep deleting things," misclicks, or "should this be a popover or a dialog." Framework-agnostic. Routes the model to the right interaction principle in this plugin.

Interaction & control — router

This plugin holds the principles that govern interaction: what is clickable, what happens when it's clicked, how mistakes are prevented and recovered. They apply to web, mobile, desktop, voice, and physical product interfaces.

Principles in this plugin

Each principle has its own skill (with sub-aspect skills where useful). Principles marked [full] have reference-grade skill files; the rest are planned and will be added in subsequent passes.

Affordance and target sizing
  • affordance [full] — visual and behavioral cues that suggest how an element is used.
    • Sub-skills: affordance-buttons-vs-links, affordance-disabled-states, affordance-non-obvious-targets.
  • constraint — limit interactions to those that are valid in context.
  • fitts-law [full] — time to acquire a target depends on its size and distance.
    • Sub-skills: fitts-law-touch-targets, fitts-law-screen-edges, fitts-law-pointer-acceleration.
  • defensible-space — separate destructive controls from common ones.
  • entry-point — the first point of contact must invite engagement.
Feedback and errors
  • feedback-loop — every action gets a perceptible response.
  • errors — slips (skill failures) vs. mistakes (knowledge failures); design for both.
  • forgiveness — make actions reversible or confirmable.
  • garbage-in-garbage-out — validate at the boundary; don't let bad data flow inward.
  • cost-benefit — don't ask the user to pay for an action whose payoff isn't clear.
  • convergence — design conventions converge over time; deviate only with reason.
Control and behavior
  • control — users should feel in command of the system, not the reverse.
  • flexibility-usability-tradeoff — every added option harms usability for the simple case.
  • most-advanced-yet-acceptable — push novel only as far as users will tolerate.
  • performance-vs-preference — what users prefer isn't always what makes them effective.
  • hierarchy-of-needs — functionality, reliability, usability, proficiency, creativity (in order).
Show full SKILL.md (146 more words)Show less
Persuasion and behavior shaping
  • nudge — small choice-architecture changes that make the better path easier.
  • operant-conditioning — behavior shaped by reinforcement; use sparingly and honestly.
  • classical-conditioning — emotional associations transfer.
  • shaping — gradually increase task complexity through practice.
  • expectation-effect — users perceive what they expect to perceive.
  • freeze-flight-fight-forfeit — under stress, users default to instinctive responses.
  • desire-line — the path users actually take, often diverging from the planned one.
  • interference-effects — competing stimuli (Stroop) slow processing.

Heuristic for which to read first

  • Designing buttons/CTAs → affordance, fitts-law, defensible-space.
  • Designing forms → affordance, constraint, feedback-loop, errors, forgiveness.
  • Mobile target sizing → fitts-law-touch-targets.
  • Destructive actions → defensible-space, forgiveness, freeze-flight-fight-forfeit, expectation-effect.
  • Validation and error copy → errors, forgiveness, garbage-in-garbage-out.
  • Modal vs. non-modal decisions → control, entry-point, interference-effects.
  • "Should we add this option?" → flexibility-usability-tradeoff, most-advanced-yet-acceptable.

Cross-plugin pointers

  • For visual layout, hierarchy, and grouping, see perception-and-hierarchy-principles.
  • For learnability (mental models, defaults, recognition), see cognition-and-learnability-principles.
  • For aesthetic and tonal decisions, see aesthetics-and-emotion-principles.
  • For accessibility, see process-and-robustness-principles.

© hashgraph-online, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in plugins/HDeibler/universal-design-principles/plugins/interaction-and-control-principles/skills/interaction-router of hashgraph-online/awesome-codex-plugins.

  • SKILL.md
  • references/further-reading.md

Open the folder on GitHubat commit 78497e5

Compare with similar skills

Interaction Router next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Interaction Router compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Interaction Router this skillhashgraph-online/awesome-codex-plugins1.2k—~1.1kAutomated safety check: PassApache-2.0
MCP Developmentcoollabsio/coolify63k1 repos~949Automated safety check: PassMIT
Accessibility Fixeribelick/ui-skills9.5k4 repos~1.2kAutomated safety check: PassMIT
Formik Form PatternsChrisWiles/claude-code-showcase6.1k3 repos~2.1kAutomated safety check: PassNone
Buefy Vue UI Componentsbuefy/buefy9.5k—~8.2kAutomated safety check: PassMIT
Formkitformkit/formkit4.8k—~1.7kAutomated safety check: PassMIT

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Categories

Questions about Interaction Router

What does Interaction Router do?

A skill your agent uses whenever a design task involves what users can do and what happens when they do it — affordances, feedback, errors, undo, confirmation, target sizing, keyboard handling…. Interaction Router is an agent skill from hashgraph-online/awesome-codex-plugins. Use this skill whenever a design task involves what users can do and what happens when they do it — affordances, feedback, errors, undo, confirmation, target sizing, keyboard handling, modal vs.

When should I use Interaction Router?

Interaction Router fits situations like: A design task involves what users can do and what happens when they do it — affordances; keyboard handling; the user mentions buttons; confirmation dialogs.

How do I install Interaction Router in Claude Code?

Run `npx skills add hashgraph-online/awesome-codex-plugins --skill interaction-router -a claude-code`. Or copy the skill folder (plugins/HDeibler/universal-design-principles/plugins/interaction-and-control-principles/skills/interaction-router in hashgraph-online/awesome-codex-plugins) into .claude/skills/interaction-router in your project. Claude Code loads it when a task matches its description.

How do I install Interaction Router in Codex?

Run `npx skills add hashgraph-online/awesome-codex-plugins --skill interaction-router -a codex`. Or copy the skill folder (plugins/HDeibler/universal-design-principles/plugins/interaction-and-control-principles/skills/interaction-router in hashgraph-online/awesome-codex-plugins) into .agents/skills/interaction-router in your project. Codex loads it when a task matches its description.

Can I use Interaction Router in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add hashgraph-online/awesome-codex-plugins --skill interaction-router -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/interaction-router, .gemini/skills/interaction-router, .github/skills/interaction-router and .opencode/skills/interaction-router in your project.

What does Interaction Router need to run?

SKILL.md names no scripts, command-line tools or credentials: Interaction Router is instructions for the agent only.

Does Interaction Router access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Interaction Router safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Interaction Router use?

Interaction Router is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Interaction Router use?

About 1.1k tokens (SKILL.md is roughly 4.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 731 tokens, read only when the agent opens those files.

What are the alternatives to Interaction Router?

Skills that share tags, products or a category with Interaction Router: MCP Development (coollabsio/coolify, 63k stars), Accessibility Fixer (ibelick/ui-skills, 9.5k stars), Formik Form Patterns (ChrisWiles/claude-code-showcase, 6.1k stars) and Buefy Vue UI Components (buefy/buefy, 9.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Interaction Router?

hashgraph-online (a GitHub organization) maintains it in hashgraph-online/awesome-codex-plugins, which has 1,242 GitHub stars. The repository holds 686 skills in this directory. The repository was last updated on October 8, 2026.

Source: hashgraph-online/awesome-codex-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.