Official agent skill

V5 Breaking Changes

by remotion-dev in remotion-dev/remotion

Implement or review a Remotion 5 breaking change while the v4 and v5 release lines still share code.

OfficialCustom licenceAuto-check passedMedia & Creative

Install V5 Breaking Changes

skills CLI
$ npx skills add remotion-dev/remotion --skill v5-breaking-changes -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install remotion-dev/remotion v5-breaking-changes --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/remotion-dev/remotion.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/v5-breaking-changes .claude/skills/v5-breaking-changes && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
v5-breaking-changes
GitHub stars
62k
Token cost
~879 tokens
SKILL.md length
399 words
Files
1
Skills in repo
71
Repo updated
First seen
Licence
Custom licence

At a glance

Implement or review a Remotion 5 breaking change while the v4 and v5 release lines still share code.

  • Works in 5 steps: With the flag left as false as const, v4… → Changing only the central flag to true… → Runtime validation agrees with the… → …
  • V4 behavior and public types must remain compatible on main
  • SKILL.md covers Preserve the compile-time flag, Gate runtime behavior, Gate public types and Document every user-facing break, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

V5 Breaking Changes is an agent skill from remotion-dev/remotion, published by the product's own GitHub organization. Implement or review a Remotion 5 breaking change while the v4 and v5 release lines still share code. Use when v4 behavior and public types must remain compatible on main, but flipping the central v5 flag should activate a new runtime behavior, default, or TypeScript API.

Its SKILL.md is about 880 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Media & Creative, covering Video production. It works with Remotion and TypeScript. The repository describes itself as: 🎥 Make videos programmatically with React.

When your agent uses it

  • V4 behavior and public types must remain compatible on main
  • But flipping the central v5 flag should activate a new runtime behavior

Example prompts

  • “/v5-breaking-changes”

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. With the flag left as false as const, v4 runtime behavior and public types remain compatible.
  2. Changing only the central flag to true as const selects both the v5 runtime path and v5 public types.
  3. Runtime validation agrees with the conditional TypeScript API.
  4. The migration guide includes the user-facing change.
  5. Focused builds, existing tests, linting, and formatting pass for every affected package.

What it can do on your machine

Read from SKILL.md and the folder at commit 1e4c5de. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are typescript).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

V5 Breaking Changes loads about 879 tokens when it runs. Until then it costs about 73 tokens; SKILL.md has 399 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~73
When it runs · the whole SKILL.md, loaded when a task matches
~879

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 399 words (~879 tokens).

“Use the central compile-time flag in packages/core/src/v5-flag.ts:”

— opening of SKILL.md by remotion-dev, Custom licence
name
v5-breaking-changes

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/v5-breaking-changes of remotion-dev/remotion.

Open the folder on GitHubat commit 1e4c5de

Compare with similar skills

V5 Breaking Changes next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

V5 Breaking Changes compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
V5 Breaking Changes this skillremotion-dev/remotion62k—~879Automated safety check: PassCustom licence
Anything2explainerVincentwei1021/anything2explainer2.3k—~2.7kAutomated safety check: PassCustom licence
Remotion Motion Graphicshaidrrrry/claude-remotion-skill270—~2kAutomated safety check: PassMIT
Remotion Render via inference.shHainrixz/editor-pro-max2602 repos~2kAutomated safety check: PassCustom licence
Remotionzhuzhaoyun/Molio431—~4kAutomated safety check: PassCustom licence
Motion Canvasdracohu2025-cloud/draco-skills-collection227—~1.5kAutomated safety check: PassNone

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Questions about V5 Breaking Changes

What does V5 Breaking Changes do?

Implement or review a Remotion 5 breaking change while the v4 and v5 release lines still share code. V5 Breaking Changes is an agent skill from remotion-dev/remotion, published by the product's own GitHub organization. Implement or review a Remotion 5 breaking change while the v4 and v5 release lines still share code.

When should I use V5 Breaking Changes?

V5 Breaking Changes fits situations like: V4 behavior and public types must remain compatible on main; but flipping the central v5 flag should activate a new runtime behavior.

How do I install V5 Breaking Changes in Claude Code?

Run `npx skills add remotion-dev/remotion --skill v5-breaking-changes -a claude-code`. Or copy the skill folder (.agents/skills/v5-breaking-changes in remotion-dev/remotion) into .claude/skills/v5-breaking-changes in your project. Claude Code loads it when a task matches its description.

How do I install V5 Breaking Changes in Codex?

Run `npx skills add remotion-dev/remotion --skill v5-breaking-changes -a codex`. Or copy the skill folder (.agents/skills/v5-breaking-changes in remotion-dev/remotion) into .agents/skills/v5-breaking-changes in your project. Codex loads it when a task matches its description.

Can I use V5 Breaking Changes in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add remotion-dev/remotion --skill v5-breaking-changes -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/v5-breaking-changes, .gemini/skills/v5-breaking-changes, .github/skills/v5-breaking-changes and .opencode/skills/v5-breaking-changes in your project.

What does V5 Breaking Changes need to run?

SKILL.md names no scripts, command-line tools or credentials: V5 Breaking Changes is instructions for the agent only.

Does V5 Breaking Changes access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is V5 Breaking Changes safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does V5 Breaking Changes use?

V5 Breaking Changes has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does V5 Breaking Changes use?

About 879 tokens (SKILL.md is roughly 3.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to V5 Breaking Changes?

Skills that share tags, products or a category with V5 Breaking Changes: Anything2explainer (Vincentwei1021/anything2explainer, 2.3k stars), Remotion Motion Graphics (haidrrrry/claude-remotion-skill, 270 stars), Remotion Render via inference.sh (Hainrixz/editor-pro-max, 260 stars) and Remotion (zhuzhaoyun/Molio, 431 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains V5 Breaking Changes?

remotion-dev (a GitHub organization, an official publisher) maintains it in remotion-dev/remotion, which has 62,235 GitHub stars. The repository holds 71 skills in this directory. The repository was last updated on October 7, 2026.

Source: remotion-dev/remotion on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.