migrate-framework

migrate-framework is a skill for Claude Code from viknesh20-20/claude-code-tool-kit. It costs 56 tokens per session (624 once invoked), scanned A, original, MIT.

A guide for moving a project from one programming framework or major framework version to another. A framework is a set of tools and conventions used to build an application.

In plain words
What is it for?
Use it for migrations such as Express to Fastify, CRA to Vite, Vue 2 to Vue 3, or class components to hooks. It audits affected files and creates a file-by-file migration plan.
Why use it?
Framework migrations can break APIs, configuration, plugins, and application code. It maps current usage to the target framework, highlights breaking changes, and orders the work.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Use it for migrations such as Express to Fastify, CRA to Vite, Vue 2 to Vue 3, or class components to hooks. It audits affected files and creates a file-by-file migration plan.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/viknesh20-20/claude-code-tool-kit/migrate-framework
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 viknesh20-20/claude-code-tool-kit --skill migrate-framework
Clone the repo
git clone --depth 1 https://github.com/viknesh20-20/claude-code-tool-kit

Made for: Claude Code.

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-framework

README.md
[![agentmods](https://agentmods.dev/badge/skills/viknesh20-20/claude-code-tool-kit/migrate-framework/github.svg)](https://agentmods.dev/skills/viknesh20-20/claude-code-tool-kit/migrate-framework)
Your own site
<a href="https://agentmods.dev/skills/viknesh20-20/claude-code-tool-kit/migrate-framework"><img src="https://agentmods.dev/badge/skills/viknesh20-20/claude-code-tool-kit/migrate-framework/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-framework

Your own site · 80×15
<a href="https://agentmods.dev/skills/viknesh20-20/claude-code-tool-kit/migrate-framework"><img src="https://agentmods.dev/badge/skills/viknesh20-20/claude-code-tool-kit/migrate-framework.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 56 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 624 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.
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 $0.00056 $0.00624
Opus 5.5 $0.00022 $0.00250
Sonnet 5.5 $0.00011 $0.00125
Haiku 4.5 $0.00006 $0.00062

Measured 1mo ago against content hash e15aa3e71bc7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

migrate-framework 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 1mo 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.

.claude/skills/migrate-framework/SKILL.md · 63 lines

How it starts

The opening of the file, as written. The whole thing — 63 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Framework Migration Assistant

Detect Current Setup

!ls package.json requirements.txt go.mod Cargo.toml *.csproj Gemfile composer.json 2>/dev/null !cat package.json 2>/dev/null | head -30 !find . -type f \( -name "*.ts" -o -name "*.tsx" -o -name "*.js" -o -name "*.jsx" -o -name "*.py" -o -name "*.go" -o -name "*.rs" \) -not -path "*/node_modules/*" -not -path "*/.git/*" 2>/dev/null | head -30


Migration Process

Step 1: Audit Current Usage

  1. Identify all imports/requires of the source framework
  2. Map which features and APIs are used
  3. Catalog plugins, middleware, and extensions in use
  4. Count affected files and estimate scope

Step 2: Map Source to Target

For each source feature in use, determine:

Source API Target Equivalent Breaking Change? Notes
... ... Yes/No ...

Flag features with NO direct equivalent — these need custom solutions.

Step 3: Migration Plan

Create an ordered migration plan:

  1. Setup: Install target framework alongside source (coexistence period)
  2. Configuration: Migrate config files (build config, env, plugins)
  3. Core: Migrate entry points and routing
  4. Components/Modules: Migrate individual files (ordered by dependency — leaves first)
  5. Tests: Update test setup and migrate test files
  6. Cleanup: Remove source framework dependencies

Step 4: File-by-File Migration Order

List every file that needs changes, ordered by:

  1. No dependencies on other migrated files (migrate first)
  2. Shared utilities and types
  3. Core modules
  4. Feature modules
  5. Entry points (migrate last)

Step 5: Execute Migration

For each file:

  1. Show the current code
  2. Show the migrated code
  3. Explain what changed and why
  4. Run tests after each file to catch regressions

Rules

  • Migrate incrementally — one file or module at a time
  • Keep both frameworks running during migration if possible
  • Run tests after every change
  • Don't change functionality during migration — only change the framework layer
  • Flag any features that cannot be migrated 1:1

Read the full file on GitHub · 63 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. 1mo ago First seen · 63 lines · 56 tokens per session scan A e15aa3e71bc7

Subscribe to this mod's changes

migrate-framework is a skill published in the GitHub repository viknesh20-20/claude-code-tool-kit (7 stars, last pushed 5mo ago), licensed MIT. It adds 56 tokens to every session and 624 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-08-31.

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