klaviyo-developer SKILL.md skillA

klaviyo-developer from thatrebeccarae/claude-marketing is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add thatrebeccarae/claude-marketing/klaviyo-developer@v1.1.0

Pins v1.1.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
thatrebeccarae/claude-marketing
Path
skills/klaviyo-developer/SKILL.md
Versions recorded
4
Latest version
v1.1.0, committed May 14, 2026
First version recorded
Mar 11, 2026
Size
19,747 bytes
Repository stars
191
License
MIT

Klaviyo API and developer integration expertise. Event tracking, SDKs, webhooks, rate limits, OAuth, catalog sync, and code patterns. Use when the user asks about Klaviyo API, integrating with Klaviyo, tracking events, building custom integrations, webhook handling, or developer implementation. For marketing strategy, flow optimization, and campaign auditing, see the klaviyo-analyst skill.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Klaviyo Developer

Expert-level guidance for building with the Klaviyo API — custom event tracking, profile management, SDK integration, webhooks, catalog sync, and data pipeline architecture.

> For marketing strategy, flow auditing, segmentation, deliverability, and campaign optimization, see the **klaviyo-analyst** skill.

## Install

```bash
git clone https://github.com/thatrebeccarae/claude-marketing.git && cp -r claude-marketing/skills/klaviyo-developer ~/.claude/skills/
```

## MCP vs. SDK: When to Use Which

This skill is **SDK-first by design** — you're building production integrations against the Klaviyo API, not running ad-hoc queries. That said, Klaviyo's official MCP server is the right tool for parts of integration work, and you should know when to reach for it.

| Use the **SDK** (`klaviyo-api`) when… | Use the **MCP** (`https://mcp.klaviyo.com/mcp`) when… |
|---|---|
| Writing production event-tracking code | Exploring an account's event schema before writing the integration |
| Building bulk import / sync pipelines | Sanity-checking that events landed with the right property shape |
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add thatrebeccarae/claude-marketing/klaviyo-developer@sha256:a39e81e3f89dbfbb

The line at the top of this page pins the label v1.1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_hdws3to5pbdfkau2.svg)](https://markdownregistry.com/a/art_hdws3to5pbdfkau2)

5 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 4 versions of this file, between Mar 11, 2026 and May 14, 2026, about one every 21 days.

versioncommittedcommitsizeaudit
v1.1.0 latest2026-05-14 fc4d6c6 19,747 BA view · diff
v1.0.02026-03-19 9f4f779 18,238 BA view · diff
v1.0.02026-03-18 13b4d57 18,238 BA view · diff
v1.0.02026-03-11 bd9680e 18,022 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (19747 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

thatrebeccarae/claude-marketing · 191 stars · license MIT · pushed 2026-05-14 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_hdws3to5pbdfkau2
GET https://markdownregistry.com/api/v1/resolve?ref=thatrebeccarae/claude-marketing/klaviyo-developer
GET https://markdownregistry.com/api/v1/blob/a39e81e3f89dbfbbf7d763be6e4c9cd6baffc197e79bcbab0b50d320909073e1

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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