Agent skill

Segmentation

by gtmagents in gtmagents/gtm-agents

A skill your agent uses when designing filters, suppression logic, and personalization cohorts for campaigns or automations.

Apache-2.0Auto-check passedMarketing & SEO

Install Segmentation

skills CLI
$ npx skills add gtmagents/gtm-agents --skill segmentation -a claude-code

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

GitHub CLI
$ gh skill install gtmagents/gtm-agents segmentation --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/email-marketing/skills/segmentation .claude/skills/segmentation && 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
segmentation
GitHub stars
413
Used in
1 other repo
Token cost
~370 tokens
SKILL.md length
152 words
Files
2 (incl. assets)
Skills in repo
127
Repo updated
First seen
Licence
Apache-2.0

At a glance

A skill your agent uses when designing filters, suppression logic, and personalization cohorts for campaigns or automations.

  • Works in 3 steps: Lifecycle Grid – axis of lifecycle stage… → Data Integrity – confirm consent, field… → Priority Scoring – route high-value…
  • Designing filters
  • SKILL.md covers When to Use, Framework, Checklist and Templates, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Segmentation is an agent skill from gtmagents/gtm-agents. Use when designing filters, suppression logic, and personalization cohorts for campaigns or automations.

Its SKILL.md is about 370 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including assets (for example `assets/segmentation_matrix.md`).

It sits in Marketing & SEO. 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.

When your agent uses it

  • Designing filters
  • Suppression logic
  • Personalization cohorts for campaigns

Example prompts

  • “/segmentation”

Workflow steps

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

  1. Lifecycle Grid – axis of lifecycle stage vs engagement level.
  2. Data Integrity – confirm consent, field completeness, and recency.
  3. Priority Scoring – route high-value segments to premium workflows.

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

Segmentation loads about 370 tokens when it runs. Until then it costs about 29 tokens; SKILL.md has 152 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~29
When it runs · the whole SKILL.md, loaded when a task matches
~370

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). 152 words, ~370 tokens.

Download SKILL.mdSave it as .claude/skills/segmentation/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
segmentation
description
Use when designing filters, suppression logic, and personalization cohorts for campaigns or automations.

Advanced Segmentation Playbooks

When to Use

  • Planning campaigns requiring persona, lifecycle, or behavioral splits.
  • Creating suppression logic to protect deliverability and compliance.
  • Building engagement tiers for experimentation and reporting.

Framework

  1. Lifecycle Grid – axis of lifecycle stage vs engagement level.
  2. Data Integrity – confirm consent, field completeness, and recency.
  3. Priority Scoring – route high-value segments to premium workflows.

Checklist

  • ✅ Primary filter (persona, stage, product usage)
  • ✅ Secondary filters (intent, region, business size)
  • ✅ Suppress: unsubscribed, bounced, low engagement, legal blocks
  • ✅ Personalization fields: {{first_name}}, {{company}}, dynamic modules

Templates

  • Segmentation Matrix: See assets/segmentation_matrix.md for tier definitions and logic examples.
  • Launch Tiering – VIP, Prospects, Dormant with separate cadence and pacing table.
  • Signal-Driven – product milestones trigger micro-segments; includes trigger → audience matrix.
  • Compliance Safe – CASL/GDPR consent matrix + suppression filters by region.

Tips

  • Keep segment definitions in a shared schema doc for consistency.
  • Use dashboards to monitor size changes week over week.
  • Pair segmentation with A/B testing to validate hypotheses.

© 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

SKILL.md and 1 other file (assets) in plugins/email-marketing/skills/segmentation of gtmagents/gtm-agents.

  • SKILL.md
  • assets/segmentation_matrix.md

Open the folder on GitHubat commit 78e0419

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in gtmagents/gtm-agents, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Segmentation 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.

Segmentation compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Segmentation this skillgtmagents/gtm-agents4131 repos~370Automated safety check: PassApache-2.0
Geo Fundamentalswasp-lang/wasp19k9 repos~861Automated safety check: PassMIT
Ab Testingcoreyhaines31/marketingskills54k3 repos~2.8kAutomated safety check: PassMIT
Hreflang and International SEOAgriciDaniel/claude-seo18k5 repos~3.4kAutomated safety check: PassMIT
Referralscoreyhaines31/marketingskills54k2 repos~2.4kAutomated safety check: PassMIT
SEO GeoReScienceLab/opc-skills1.8k4 repos~2.1kAutomated safety check: PassApache-2.0

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Categories

Questions about Segmentation

What does Segmentation do?

A skill your agent uses when designing filters, suppression logic, and personalization cohorts for campaigns or automations. Segmentation is an agent skill from gtmagents/gtm-agents. Use when designing filters, suppression logic, and personalization cohorts for campaigns or automations.

When should I use Segmentation?

Segmentation fits situations like: designing filters; suppression logic; personalization cohorts for campaigns.

How do I install Segmentation in Claude Code?

Run `npx skills add gtmagents/gtm-agents --skill segmentation -a claude-code`. Or copy the skill folder (plugins/email-marketing/skills/segmentation in gtmagents/gtm-agents) into .claude/skills/segmentation in your project. Claude Code loads it when a task matches its description.

How do I install Segmentation in Codex?

Run `npx skills add gtmagents/gtm-agents --skill segmentation -a codex`. Or copy the skill folder (plugins/email-marketing/skills/segmentation in gtmagents/gtm-agents) into .agents/skills/segmentation in your project. Codex loads it when a task matches its description.

Can I use Segmentation 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 segmentation -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/segmentation, .gemini/skills/segmentation, .github/skills/segmentation and .opencode/skills/segmentation in your project.

What does Segmentation need to run?

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

Does Segmentation 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 Segmentation 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 Segmentation use?

Segmentation 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 Segmentation use?

About 370 tokens (SKILL.md is roughly 1.5k 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 Segmentation?

Skills that share tags, products or a category with Segmentation: Geo Fundamentals (wasp-lang/wasp, 19k stars), Ab Testing (coreyhaines31/marketingskills, 54k stars), Hreflang and International SEO (AgriciDaniel/claude-seo, 18k stars) and Referrals (coreyhaines31/marketingskills, 54k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Segmentation?

gtmagents (a GitHub user) maintains it in gtmagents/gtm-agents, which has 413 GitHub stars. The repository holds 127 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.