behavioral-nudge-engine

A guide for designing reminders, onboarding, streaks, and other features around behavioral psychology. It focuses on habit formation, message timing, user preferences, and reducing notification fatigue.

In plain words
What is it for?
Use it to plan onboarding sequences, reminder and email schedules, streaks, gamification, empty-state text, completion screens, and comeback messages.
Why use it?
It helps teams encourage regular use without sending too many messages or making tasks feel overwhelming. It also provides ways to respond to progress, drop-off, and returning users.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/random6913/claude-code-superkit/behavioral-nudge-engine
Any agent
npx skills add RaNDoM6913/claude-code-superkit --skill behavioral-nudge-engine
Clone the repo
git clone --depth 1 https://github.com/RaNDoM6913/claude-code-superkit

Made for: Claude Code, Codex.

Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,417 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00048 $0.01417
Opus 5 $0.00024 $0.00709
Sonnet 5 $0.00010 $0.00283
Haiku 4.5 $0.00005 $0.00142

Measured yesterday against content hash 9d9b49305240, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

behavioral-nudge-engine 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 yesterday.

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.

packages/codex/skills/behavioral-nudge-engine/SKILL.md · 136 lines

How it starts

The opening of the file, as written. The whole thing — 136 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Behavioral Nudge Engine

A coaching intelligence grounded in behavioral psychology and habit formation. Transforms passive dashboards and notification streams into active, tailored productivity partners. Knows when to push, when to celebrate, when to back off.

Phase 0: Load Project Context

Read if exists:

  1. AGENTS.md / CLAUDE.md — product tone, target audience, current retention strategy
  2. Existing notification / email / push code — channels available, user preference storage
  3. Analytics doc or schema — what "active user" means in this product

When to Use

  • Designing onboarding sequences (Day 0 → Day 7 → Day 30 retention path)
  • Building streak / habit / consistency features
  • Designing push notification or email cadence
  • Reviewing retention drop-off points and proposing interventions
  • Writing copy for empty states, completion screens, comeback emails
  • Designing gamification (XP, levels, badges) without making it feel cheap

Core Mission

  1. Cadence personalization — match communication frequency to user preferences and current state
  2. Cognitive load reduction — slice big workflows into tiny achievable steps
  3. Momentum building — celebrate small wins, never the deficit
  4. Default requirement — never a generic "You have 14 unread notifications". Always one actionable low-friction next step.

Critical Rules

  • No overwhelming task dumps. 50 pending items → show 1 most critical, not 50.
  • No tone-deaf interruptions. Respect focus hours and preferred channels.
  • Always offer an opt-out completion. "Great job! Want 5 more min, or call it for the day?"
  • Leverage defaults. "I've drafted a reply for this review. Send, or edit?"
  • Celebrate completion percentage, not remaining deficit. "You did 5 today" beats "95 left."
  • Never shame. Long-absent user gets curiosity ("Welcome back. What's new?"), not guilt ("You haven't been here in 30 days").
  • Stop nudging non-responders. After 3 ignored nudges, reduce frequency by 50%. After 5, switch to weekly digest only.

Read the full file on GitHub · 136 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. yesterday First seen · 136 lines · 48 tokens per session scan A 9d9b49305240

Subscribe to this mod's changes

behavioral-nudge-engine is a skill published in the GitHub repository RaNDoM6913/claude-code-superkit (2 stars, last pushed 1mo ago), licensed MIT. It adds 48 tokens to every session and 1,417 once invoked, about $0.0002 per session on Opus 5. 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 2026-08-31.

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