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Agent skill

In App Messaging Kit

by gtmagents in gtmagents/gtm-agents

Library of in-product message patterns, triggers, and targeting rules.

Apache-2.0Auto-check passed

Install In App Messaging Kit

skills CLI
$ npx skills add gtmagents/gtm-agents --skill in-app-messaging-kit -a claude-code

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

GitHub CLI
$ gh skill install gtmagents/gtm-agents in-app-messaging-kit --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/gtmagents/gtm-agents.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/product-led-growth/skills/in-app-messaging-kit .claude/skills/in-app-messaging-kit && 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
in-app-messaging-kit
GitHub stars
414
Used in
2 other repos
Token cost
~302 tokens
SKILL.md length
131 words
Files
1
Skills in repo
121
Repo updated
First seen
Licence
Apache-2.0

At a glance

Library of in-product message patterns, triggers, and targeting rules.

  • Works in 5 steps: Trigger Matrix – event-based,… → Message Patterns – tooltip, modal,… → Targeting Rules – persona, plan/tier,… → …
  • SKILL.md covers When to Use, Framework, Templates and Tips
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

In App Messaging Kit is an agent skill from gtmagents/gtm-agents. Library of in-product message patterns, triggers, and targeting rules.

Its SKILL.md is about 300 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Production-ready collection of GTM agents and specialized skills for claude code. Covers sales, marketing, customer success, and revenue operations workflows. The licence is Apache-2.0.

Example prompts

  • “/in-app-messaging-kit”

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Trigger Matrix – event-based, state-based, and contextual triggers.
  2. Message Patterns – tooltip, modal, checklist, banner, coachmark, chat prompt.
  3. Targeting Rules – persona, plan/tier, usage depth, lifecycle stage.
  4. Measurement Plan – success metrics (CTR, completion, conversion) and guardrails.
  5. Localization + Accessibility – copy guidelines, fallback flows, and escalation options.

What it can do on your machine

Read from SKILL.md and the folder at commit 78e0419. 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

In App Messaging Kit loads about 302 tokens when it runs. Until then it costs about 23 tokens; SKILL.md has 131 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~23
When it runs · the whole SKILL.md, loaded when a task matches
~302

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 gtmagents/gtm-agents at commit 78e0419, republished under its Apache-2.0 licence (© gtmagents). 131 words, ~302 tokens.

Download SKILL.mdSave it as .claude/skills/in-app-messaging-kit/SKILL.md (or your agent's skills folder).
name
in-app-messaging-kit
description
Library of in-product message patterns, triggers, and targeting rules.

In-App Messaging Kit Skill

When to Use

  • Designing nudges, tooltips, and walkthroughs for onboarding or feature launches.
  • Coordinating lifecycle messaging across in-app surfaces, chat, and email.
  • Testing personalization ideas tied to usage milestones or cohorts.

Framework

  1. Trigger Matrix – event-based, state-based, and contextual triggers.
  2. Message Patterns – tooltip, modal, checklist, banner, coachmark, chat prompt.
  3. Targeting Rules – persona, plan/tier, usage depth, lifecycle stage.
  4. Measurement Plan – success metrics (CTR, completion, conversion) and guardrails.
  5. Localization + Accessibility – copy guidelines, fallback flows, and escalation options.

Templates

  • Message brief (goal, trigger, variant, CTA, measurement).
  • Component library reference with best practices.
  • Experiment tracker linking messages to outcomes.

Tips

  • Keep copy concise; pair visuals or GIFs where possible.
  • Schedule “quiet hours” to avoid notification overload.
  • Tie each message to a single next-best-action to reduce decision fatigue.

© gtmagents, 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

Just SKILL.md in plugins/product-led-growth/skills/in-app-messaging-kit of gtmagents/gtm-agents.

Open the folder on GitHubat commit 78e0419

Used in 2 other repositories

We found 3 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in gtmagents/gtm-agents, which our catalogue first saw on October 7, 2026.

Compare with similar skills

In App Messaging Kit 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.

In App Messaging Kit compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
In App Messaging Kit this skillgtmagents/gtm-agents4142 repos~302Automated safety check: PassApache-2.0
Messages Opsaffaan-m/ECC277k1 repos~724Automated safety check: PassMIT
Block Kitopenclaw/openclaw392k—~624Automated safety check: PassMIT
Channel Message Flowsopenclaw/openclaw392k—~306Automated safety check: PassMIT
Commit Message Storytellergithub/awesome-copilot40k1 repos~1.3kAutomated safety check: PassMIT
Agent Messagingdavila7/claude-code-templates33k—~807Automated safety check: PassMIT

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Questions about In App Messaging Kit

What does In App Messaging Kit do?

Library of in-product message patterns, triggers, and targeting rules. In App Messaging Kit is an agent skill from gtmagents/gtm-agents. Library of in-product message patterns, triggers, and targeting rules.

How do I install In App Messaging Kit in Claude Code?

Run `npx skills add gtmagents/gtm-agents --skill in-app-messaging-kit -a claude-code`. Or copy the skill folder (plugins/product-led-growth/skills/in-app-messaging-kit in gtmagents/gtm-agents) into .claude/skills/in-app-messaging-kit in your project. Claude Code loads it when a task matches its description.

How do I install In App Messaging Kit in Codex?

Run `npx skills add gtmagents/gtm-agents --skill in-app-messaging-kit -a codex`. Or copy the skill folder (plugins/product-led-growth/skills/in-app-messaging-kit in gtmagents/gtm-agents) into .agents/skills/in-app-messaging-kit in your project. Codex loads it when a task matches its description.

Can I use In App Messaging Kit 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 gtmagents/gtm-agents --skill in-app-messaging-kit -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/in-app-messaging-kit, .gemini/skills/in-app-messaging-kit, .github/skills/in-app-messaging-kit and .opencode/skills/in-app-messaging-kit in your project.

What does In App Messaging Kit need to run?

SKILL.md names no scripts, command-line tools or credentials: In App Messaging Kit is instructions for the agent only.

Does In App Messaging Kit 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 In App Messaging Kit 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 In App Messaging Kit use?

In App Messaging Kit 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 In App Messaging Kit use?

About 302 tokens (SKILL.md is roughly 1.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to In App Messaging Kit?

Skills that share tags, products or a category with In App Messaging Kit: Messages Ops (affaan-m/ECC, 277k stars), Block Kit (openclaw/openclaw, 392k stars), Channel Message Flows (openclaw/openclaw, 392k stars) and Commit Message Storyteller (github/awesome-copilot, 40k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains In App Messaging Kit?

gtmagents (a GitHub user) maintains it in gtmagents/gtm-agents, which has 414 GitHub stars. The repository holds 121 skills in this directory. The repository was last updated on April 3, 2026.

Source: gtmagents/gtm-agents on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.