migrate-site

migrate-site is a skill for Claude Code, Codex from calm-north/seojuice-skills. It costs 63 tokens per session (1,690 once invoked), scanned A, original, MIT.

A guide for moving a website between domains, content systems, URL structures, or designs while protecting its search rankings. It includes planning for redirects, monitoring, and rollback.

In plain words
What is it for?
Use it to inventory current pages and search data, map redirects, plan a domain or CMS move, handle HTTPS or URL changes, and monitor recovery after launch.
Why use it?
Website migrations can cause lost traffic when pages, URLs, or technical settings change without a careful transition plan.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to inventory current pages and search data, map redirects, plan a domain or CMS move, handle HTTPS or URL changes, and monitor recovery after launch.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/calm-north/seojuice-skills/migrate-site
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add calm-north/seojuice-skills --skill migrate-site
Clone the repo
git clone --depth 1 https://github.com/calm-north/seojuice-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for migrate-site

README.md
[![agentmods](https://agentmods.dev/badge/skills/calm-north/seojuice-skills/migrate-site/github.svg)](https://agentmods.dev/skills/calm-north/seojuice-skills/migrate-site)
Your own site
<a href="https://agentmods.dev/skills/calm-north/seojuice-skills/migrate-site"><img src="https://agentmods.dev/badge/skills/calm-north/seojuice-skills/migrate-site/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for migrate-site

Your own site · 80×15
<a href="https://agentmods.dev/skills/calm-north/seojuice-skills/migrate-site"><img src="https://agentmods.dev/badge/skills/calm-north/seojuice-skills/migrate-site.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,690 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket pass 18 Mar 2026
  • Snyk pass 27 Feb 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00063 $0.01690
Opus 5 $0.00032 $0.00845
Sonnet 5 $0.00013 $0.00338
Haiku 4.5 $0.00006 $0.00169

Measured 12d ago against content hash 6fd770712277, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

migrate-site scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/migrate-site/SKILL.md · 206 lines

How it starts

The opening of the file, as written. The whole thing — 206 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Migrate Site

Guide a domain migration, CMS switch, or URL restructure without losing rankings — redirect mapping, monitoring plan, and rollback criteria.

Migration Types

Type Risk Level Example
Domain change High olddomain.com → newdomain.com
Protocol change Low HTTP → HTTPS
CMS switch Medium-High WordPress → Next.js, Shopify → custom
URL restructure Medium /blog/2024/post → /blog/post
Subdomain migration Medium blog.example.com → example.com/blog
Design/template change Low-Medium Same URLs, new templates

All migrations carry SEO risk. The goal is to minimize the traffic dip and speed up recovery.

Phase 1: Pre-Migration Audit

Inventory Everything

Before touching anything, document the current state:

Pages:

  • Full list of all indexed URLs (from sitemap + Search Console)
  • Each page's monthly traffic (Search Console, last 6 months)
  • Each page's top keywords and positions
  • Each page's backlink count (pages with external links need special attention)

Technical:

  • Current robots.txt
  • Current XML sitemap(s)
  • Current redirect rules
  • Current structured data
  • Current canonical tags
  • Current internal linking structure

Performance:

  • Total organic traffic baseline (weekly and monthly)
  • Top 50 pages by traffic
  • Core Web Vitals scores
  • Crawl stats from Search Console

Save everything. You need this data to compare against post-migration.

Identify High-Value Pages

Not all pages are equal. Flag these for extra attention:

  • Pages with the most organic traffic (top 20%)
  • Pages with external backlinks
  • Pages that rank for high-value keywords
  • Landing pages tied to conversions
  • Pages with featured snippets

These pages must have working redirects and should be verified individually after migration.

Phase 2: Redirect Mapping

The redirect map is the most critical artifact. Every old URL must map to the right new URL.

Read the full file on GitHub · 206 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 206 lines · 63 tokens per session scan A 6fd770712277

Subscribe to this mod's changes

migrate-site is a skill published in the GitHub repository calm-north/seojuice-skills (21 stars, last pushed 6mo ago), licensed MIT. It adds 63 tokens to every session and 1,690 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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