secondsky/claude-skills · plugins/seo-keyword-cluster-builder/skills/seo-keyword-cluster-builder/SKILL.md

seo-keyword-cluster-builder skillA

seo-keyword-cluster-builder is agent-read markdown (skill) from secondsky/claude-skills: SEO keyword clustering with topic organization, content hub architecture, internal linking strategies. Use for content strategy, keyword research, pillar page structures, or encountering cluster organization, hub architecture, internal linking errors..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add secondsky/claude-skills/seo-keyword-cluster-builder@git:20260402.75421fa
Exact content
mdr add secondsky/claude-skills/seo-keyword-cluster-builder@sha256:eefdf0cb0e55581f

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_o4f2omlsldwbp2qp.svg)](https://markdownregistry.com/a/art_o4f2omlsldwbp2qp)

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Versions

versioncommittedcommitsizeaudit
git:20260402.75421fa latest2026-04-02 75421fa 12,657 BA view · diff
git:20251224.ba827ce2025-12-24 ba827ce 12,644 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, 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 (12657 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

secondsky/claude-skills · 219 stars · license MIT · pushed 2026-09-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_o4f2omlsldwbp2qp
GET https://markdownregistry.com/api/v1/resolve?ref=secondsky/claude-skills/seo-keyword-cluster-builder
GET https://markdownregistry.com/api/v1/blob/eefdf0cb0e55581fbc10a905578c10641bba5252b345817d67d64484a1264f20

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.