Sales Customerio

Q: What is a Claude Code skill and how does the Sales Customerio skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Sales Customerio is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Sales category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Sales · Sub-category: outreach · Last updated: 2026-05-21

type:integration

Customer.io platform help — customer engagement and marketing automation for behavior-based multi-channel messaging (email, SMS, push, in-app, WhatsApp). Use when automations aren't triggering on the right behavior, transactional messages are failing or delayed, segments aren't updating as expected, journeys need debugging or restructuring, Data Pipelines or reverse ETL aren't syncing, custom object relationships aren't working, or API calls to Track/App/Transactional endpoints are erroring. Do NOT use for general email marketing strategy (use /sales-email-marketing), cross-platform email deliverability (use /sales-deliverability), or email open/click tracking strategy (use /sales-email-tracking).

About this skill (catalog notes)

Sales Customerio includes worked examples; pricing or quota commentary. At roughly 2,882 words the SKILL.md is on the longer end of the catalog distribution.

License: MIT
Indexed lastmod: 2026-05-21
Catalog position: Sales · outreach
Indexed related skills: 10

How Sales Customerio fits the catalog

Sales Customerio sits in the Sales category under the outreach sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Help the user with Customer.io platform questions — from behavior-triggered journeys and campaigns through transactional messaging, segmentation, multi-channel delivery (email, SMS, push, in-app, WhatsApp), Data Pipelines, Custom Objects, Ad Audience Sync, and analytics. Customer.io is a customer engagement and marketing automation platform for data-driven, event-based messaging across the entire customer lifecycle. Founded in 2012 by Colin Nederkoorn and John Allison, Customer.io serves 9,000+ brands with $100M+ ARR and differentiates through event-driven automation for product-led companies…

What this skill does

Sales Customerio is a community-contributed Claude Code skill in the outreach sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/sales-customerio/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when automations aren't triggering on the right behavior, transactional messages are failing or delayed, segments aren't updating as expected, journeys need debugging or restructuring, Data Pipelines or reverse ETL aren't syncing, custom object relationships aren't working, or API calls to Track/App/Transactional endpoints are erroring. Do NOT use for general email marketing strategy (use /sales-email-marketing), cross-platform email deliverability (use /sales-deliverability), or email open/click tracking strategy (use /sales-email-tracking).

Who uses this skill

The Sales Customerio Claude Code skill is built for sales development reps, account executives, revenue operations teams, and customer success managers. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/sales-customerio
curl -L https://claudskills.com/skills/sales-customerio/SKILL.md \
  -o ~/.claude/skills/sales-customerio/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/sales-customerio/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/sales-customerio/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\sales-customerio\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Sales Customerio Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/sales-customerio/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Sales Customerio skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Sales Customerio skill?

Use Sales Customerio when your Claude Code task falls under the Sales category — specifically in the outreach area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Sales Customerio" or describe the task and let Claude pick). Browse related skills at /category/sales/.

What is a Claude Code skill and how does the Sales Customerio skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Sales Customerio is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Sales category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

License: MIT

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

ClaudSkills. (2026). Sales Customerio [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/sales-customerio/

BibTeX

@misc{sales-customerio-2026,
  author    = {ClaudSkills},
  title     = {Sales Customerio [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/sales-customerio/}
}

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