Agent skill

Asyncredux Optimistic Update Mixin

by marcglasberg in marcglasberg/async_redux

Add the OptimisticUpdate mixin for instant UI feedback before server confirmation.

Custom licenceAuto-check passedDevOps & Cloud

Install Asyncredux Optimistic Update Mixin

skills CLI
$ npx skills add marcglasberg/async_redux --skill asyncredux-optimistic-update-mixin -a claude-code

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

GitHub CLI
$ gh skill install marcglasberg/async_redux asyncredux-optimistic-update-mixin --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/marcglasberg/async_redux.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/asyncredux-optimistic-update-mixin .claude/skills/asyncredux-optimistic-update-mixin && 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
asyncredux-optimistic-update-mixin
GitHub stars
238
Token cost
~2.4k tokens
SKILL.md length
385 words
Files
1
Skills in repo
36
Repo updated
First seen
Licence
Custom licence

At a glance

Add the OptimisticUpdate mixin for instant UI feedback before server confirmation.

  • Works in 4 steps: User taps like button 5 times quickly → UI updates instantly each time (toggle,… → Only one server request sends the final… → …
  • DevOps & Cloud work in your project
  • SKILL.md covers OptimisticCommand, OptimisticSync, OptimisticSyncWithPush and Notifying Users of Rollback, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Asyncredux Optimistic Update Mixin is an agent skill from marcglasberg/async_redux. Add the OptimisticUpdate mixin for instant UI feedback before server confirmation. Covers immediate state changes, automatic rollback on failure, and optionally notifying users of rollback.

Its SKILL.md is about 2.4k 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 DevOps & Cloud. The repository describes itself as: Powerful State Management for Flutter. Docs: https://asyncredux.com.

When your agent uses it

  • DevOps & Cloud work in your project

Example prompts

  • “/asyncredux-optimistic-update-mixin”

Workflow steps

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

  1. User taps like button 5 times quickly
  2. UI updates instantly each time (toggle, toggle, toggle...)
  3. Only one server request sends the final state
  4. If state changes during in-flight request, a follow-up request sends the new final value

What it can do on your machine

Read from SKILL.md and the folder at commit bbc4303. 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 dart).

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

  • Network

    Links to these hosts (documentation or services it may open):

    • asyncredux.com

    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

Asyncredux Optimistic Update Mixin loads about 2.4k tokens when it runs. Until then it costs about 56 tokens; SKILL.md has 385 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~56
When it runs · the whole SKILL.md, loaded when a task matches
~2.4k

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 385 words (~2,423 tokens).

“AsyncRedux provides three optimistic update mixins for different scenarios:”

— opening of SKILL.md by marcglasberg, Custom licence
name
asyncredux-optimistic-update-mixin

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/asyncredux-optimistic-update-mixin of marcglasberg/async_redux.

Open the folder on GitHubat commit bbc4303

Compare with similar skills

Asyncredux Optimistic Update Mixin 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.

Asyncredux Optimistic Update Mixin compared with similar skills
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Asyncredux Optimistic Update Mixin this skillmarcglasberg/async_redux238—~2.4kAutomated safety check: PassCustom licence
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Terraform and OpenTofu Guideagentscope-ai/QwenPaw36k6 repos~4.2kAutomated safety check: PassApache-2.0
Vercel Optimize Auditvercel-labs/agent-skills32k8 repos~4.3kAutomated safety check: PassNone
Analyze GitHub Action Logswithastro/astro63k1 repos~1.3kAutomated safety check: PassCustom licence
Openclaw Live Updateropenclaw/openclaw392k—~3.7kAutomated safety check: PassMIT

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  • Asyncredux Async Actions

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Categories

Questions about Asyncredux Optimistic Update Mixin

What does Asyncredux Optimistic Update Mixin do?

Add the OptimisticUpdate mixin for instant UI feedback before server confirmation. Asyncredux Optimistic Update Mixin is an agent skill from marcglasberg/async_redux. Add the OptimisticUpdate mixin for instant UI feedback before server confirmation.

When should I use Asyncredux Optimistic Update Mixin?

Asyncredux Optimistic Update Mixin fits situations like: devOps & Cloud work in your project.

How do I install Asyncredux Optimistic Update Mixin in Claude Code?

Run `npx skills add marcglasberg/async_redux --skill asyncredux-optimistic-update-mixin -a claude-code`. Or copy the skill folder (.claude/skills/asyncredux-optimistic-update-mixin in marcglasberg/async_redux) into .claude/skills/asyncredux-optimistic-update-mixin in your project. Claude Code loads it when a task matches its description.

How do I install Asyncredux Optimistic Update Mixin in Codex?

Run `npx skills add marcglasberg/async_redux --skill asyncredux-optimistic-update-mixin -a codex`. Or copy the skill folder (.claude/skills/asyncredux-optimistic-update-mixin in marcglasberg/async_redux) into .agents/skills/asyncredux-optimistic-update-mixin in your project. Codex loads it when a task matches its description.

Can I use Asyncredux Optimistic Update Mixin 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 marcglasberg/async_redux --skill asyncredux-optimistic-update-mixin -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/asyncredux-optimistic-update-mixin, .gemini/skills/asyncredux-optimistic-update-mixin, .github/skills/asyncredux-optimistic-update-mixin and .opencode/skills/asyncredux-optimistic-update-mixin in your project.

What does Asyncredux Optimistic Update Mixin need to run?

SKILL.md names no scripts, command-line tools or credentials: Asyncredux Optimistic Update Mixin is instructions for the agent only.

Does Asyncredux Optimistic Update Mixin access the network?

SKILL.md names 1 domain. As links in the text: asyncredux.com. This is read from the text; nothing was executed.

Is Asyncredux Optimistic Update Mixin 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 Asyncredux Optimistic Update Mixin use?

Asyncredux Optimistic Update Mixin 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 Asyncredux Optimistic Update Mixin use?

About 2.4k tokens (SKILL.md is roughly 9.7k 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 Asyncredux Optimistic Update Mixin?

Skills that share tags, products or a category with Asyncredux Optimistic Update Mixin: Monitor CI (nrwl/nx, 29k stars), Terraform and OpenTofu Guide (agentscope-ai/QwenPaw, 36k stars), Vercel Optimize Audit (vercel-labs/agent-skills, 32k stars) and Analyze GitHub Action Logs (withastro/astro, 63k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Asyncredux Optimistic Update Mixin?

marcglasberg (a GitHub user) maintains it in marcglasberg/async_redux, which has 238 GitHub stars. The repository holds 36 skills in this directory. The repository was last updated on October 9, 2026.

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