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capacitor-app-upgrade-v4-to-v5 SKILL.md skillA

This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.

capacitor-app-upgrade-v4-to-v5 from cap-go/capgo-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add cap-go/capgo-skills/capacitor-app-upgrade-v4-to-v5@git:20261011.86834d4

Pins git:20261011.86834d4 in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: cap-go/capgo-skills
Path: skills/capacitor-app-upgrade-v4-to-v5/SKILL.md
Versions recorded: 4
Latest version: git:20261011.86834d4, committed Oct 11, 2026
First version recorded: Mar 18, 2026
Size: 6,968 bytes
Repository stars: 74
License: MIT

Upgrades a Capacitor app from v4 to v5 using `npx cap migrate` from `@capacitor/cli@latest-5`, then the manual checklist - Node 16+, Xcode 14.1+, Android Studio Flamingo with JDK 17, AGP 8.0.0, Gradle 8.0.2, compile/target SDK 33, `package` moved from AndroidManifest.xml to `namespace` in build.gradle, Jetifier removal, pinning `androidScheme` to `http`, and official plugin breaking changes (Device `uuid` to `identifier`, Android 13 notification permissions, READ_MEDIA_IMAGES). Use when…

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

# Capacitor App Upgrade v4 to v5

Move a Capacitor 4 app to Capacitor 5. Source of truth: https://capacitorjs.com/docs/updating/5-0

## When to Use

- `@capacitor/core` in the snapshot below is `4.x` and the user wants `5.x`.
- Android build fails after bumping to Capacitor 5 with `Namespace not specified`, a Java 11 vs 17 mismatch, or AGP 8 errors.
- The user asks for the exact 4 -> 5 checklist for iOS, Android, or official plugins.

Do not use:

- App on 5.x or later -> `capacitor-app-upgrade-v5-to-v6` (then v6-to-v7, v7-to-v8). Multi-hop planning -> `capacitor-app-upgrades`.
- Upgrading a plugin library -> `capacitor-plugin-upgrade-v4-to-v5`.
- App on 3.x -> upgrade to 4 first (`npx cap migrate` in 5.x refuses projects below 4).

## Live Project Snapshot

Current Capacitor packages from `package.json`:
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add cap-go/capgo-skills/capacitor-app-upgrade-v4-to-v5@sha256:7004aa1dbdd7f939

The line at the top of this page pins the label git:20261011.86834d4, 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](https://markdownregistry.com/badge/art_wfdprisftoa275io.svg)](https://markdownregistry.com/a/art_wfdprisftoa275io)

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

Versions

The registry has recorded 4 versions of this file, between Mar 18, 2026 and Oct 11, 2026, about one every 69 days.

version	committed	commit	size	audit
git:20261011.86834d4 latest	2026-10-11	86834d4	6,968 B	A	view · diff
git:20260319.9192953	2026-03-19	9192953	1,651 B	A	view · diff
git:20260318.5bd0bc2	2026-03-18	5bd0bc2	1,125 B	A	view · diff
git:20260318.dac1eed	2026-03-18	dac1eed	1,126 B	A	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 (6968 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

cap-go/capgo-skills · 74 stars · license MIT · pushed 2026-10-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_wfdprisftoa275io
GET https://markdownregistry.com/api/v1/resolve?ref=cap-go/capgo-skills/capacitor-app-upgrade-v4-to-v5
GET https://markdownregistry.com/api/v1/blob/7004aa1dbdd7f9392ea79f1d3b6a22eb4afdb338edcdadd0af5477c405f978f7

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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