Agent skill

Biome Anti Slop

by nightly-labs in nightly-labs/openbot

Install and configure vendored Biome anti-slop GritQL rules in a local TypeScript or JavaScript repository.

Custom licenceAuto-check passedWriting & Content

Install Biome Anti Slop

skills CLI
$ npx skills add nightly-labs/openbot --skill biome-anti-slop -a claude-code

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

GitHub CLI
$ gh skill install nightly-labs/openbot biome-anti-slop --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/nightly-labs/openbot.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/biome-anti-slop .claude/skills/biome-anti-slop && 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
biome-anti-slop
GitHub stars
507
Token cost
~1.5k tokens
SKILL.md length
744 words
Files
45 (incl. scripts, assets)
Skills in repo
15
Repo updated
First seen
Licence
Custom licence

At a glance

Install and configure vendored Biome anti-slop GritQL rules in a local TypeScript or JavaScript repository.

  • Works in 8 steps: Inspect the repository before changing it → Require @biomejs/biome version >=2.5.9… → From the target repository, copy the… → …
  • A user asks to add
  • Runs TypeScript scripts from its folder; calls node and git
  • Migrate Biome anti-slop lint rules

What it does

Biome Anti Slop is an agent skill from nightly-labs/openbot. Install and configure vendored Biome anti-slop GritQL rules in a local TypeScript or JavaScript repository. Use when a user asks to add, configure, update, or migrate Biome anti-slop lint rules.

Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 48 other files, including scripts and assets (for example `agents/openai.yaml`, `assets/anti-slop/fixtures/no-active-element-assertions.fixture.ts` and `assets/anti-slop/fixtures/no-class-assertions.fixture.ts`).

It sits in Writing & Content, covering Humanizing AI text. It works with TypeScript and JavaScript. The repository describes itself as: A local-first desktop workspace for persistent AI teammates. Run Codex, Claude, and Grok with dedicated workspaces, task queues, file sharing, browser control, and agent-to-agent…

When your agent uses it

  • A user asks to add
  • Migrate Biome anti-slop lint rules

Example prompts

  • “/biome-anti-slop”

Requirements

  • Node.js

Workflow steps

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

  1. Inspect the repository before changing it
  2. Require @biomejs/biome version >=2.5.9 <3. Preserve an existing dependency in that range. If
  3. From the target repository, copy the bundled rules
  4. Register the installed rules. Do not type the rule names from memory or from this file. The
  5. Keep each rule's declared severity. The set runs at two levels and the difference is a promise
  6. Every rule ships a fixture beside it under fixtures/, marking each line the rule must reject
  7. Run the repository's existing lint or check command. If none exists, run Biome directly. Report
  8. Review the final diff and report the copied path, dependency change, configuration change,

What it can do on your machine

Read from SKILL.md and the folder at commit 4ce20b6. 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

    Ships 1 file in scripts/ (TypeScript, from the files we listed), which the agent can run.

    Shell commands in SKILL.md call:

    • node
    • git

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

  • Network

    No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.

    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

Biome Anti Slop loads about 1.5k tokens when it runs. Until then it costs about 53 tokens; SKILL.md has 744 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~53
When it runs · the whole SKILL.md, loaded when a task matches
~1.5k

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); the scripts in this folder 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 744 words (~1,457 tokens).

“Vendor the bundled rules into the current repository and integrate them with its existing Biome setup. Preserve unrelated work and adapt to the repository's package manager and configuration.”

— opening of SKILL.md by nightly-labs, Custom licence
name
biome-anti-slop

Read the full SKILL.md on GitHub

Files

SKILL.md and 44 other files (scripts, assets) in .agents/skills/biome-anti-slop of nightly-labs/openbot.

  • SKILL.md
  • agents/openai.yaml
  • assets/anti-slop/fixtures/no-active-element-assertions.fixture.ts
  • assets/anti-slop/fixtures/no-class-assertions.fixture.ts
  • assets/anti-slop/fixtures/no-class-selector-queries.fixture.ts
  • assets/anti-slop/fixtures/no-collections-in-stores.fixture.ts
  • assets/anti-slop/fixtures/no-dom-containment-assertions.fixture.ts
  • assets/anti-slop/fixtures/no-dom-traversal-assertions.fixture.ts
  • assets/anti-slop/fixtures/no-icon-query-assertions.fixture.ts
  • assets/anti-slop/fixtures/no-inner-html-assertions.fixture.ts
  • assets/anti-slop/fixtures/no-known-value-widening.fixture.ts
  • assets/anti-slop/fixtures/no-module-mocking.fixture.ts
  • assets/anti-slop/fixtures/no-object-parameters.fixture.ts
  • assets/anti-slop/fixtures/no-reflect-escapes.fixture.ts
  • assets/anti-slop/fixtures/no-sleep-in-tests.fixture.ts
  • assets/anti-slop/fixtures/no-snapshot-tests.fixture.ts
  • assets/anti-slop/fixtures/no-style-assertions.fixture.ts
  • … and 28 more

Open the folder on GitHubat commit 4ce20b6

Compare with similar skills

Biome Anti Slop 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.

Biome Anti Slop compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Biome Anti Slop this skillnightly-labs/openbot507—~1.5kAutomated safety check: PassCustom licence
Install Anti Sloptrycompai/crm11k1 repos~881Automated safety check: PassMIT
Deslop TypescriptConsensys/c0105—~1.6kAutomated safety check: PassLGPL-3.0
Typescriptweb-infra-dev/rstest505—~1.3kAutomated safety check: PassMIT
Deepgram JS Text Intelligencedeepgram/deepgram-js-sdk276—~1.1kAutomated safety check: PassMIT
Azure AI Translation TSmicrosoft/skills3.1k—~2kAutomated safety check: PassMIT

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Questions about Biome Anti Slop

What does Biome Anti Slop do?

Install and configure vendored Biome anti-slop GritQL rules in a local TypeScript or JavaScript repository. Biome Anti Slop is an agent skill from nightly-labs/openbot. Install and configure vendored Biome anti-slop GritQL rules in a local TypeScript or JavaScript repository.

When should I use Biome Anti Slop?

Biome Anti Slop fits situations like: A user asks to add; migrate Biome anti-slop lint rules.

How do I install Biome Anti Slop in Claude Code?

Run `npx skills add nightly-labs/openbot --skill biome-anti-slop -a claude-code`. Or copy the skill folder (.agents/skills/biome-anti-slop in nightly-labs/openbot) into .claude/skills/biome-anti-slop in your project. Claude Code loads it when a task matches its description.

How do I install Biome Anti Slop in Codex?

Run `npx skills add nightly-labs/openbot --skill biome-anti-slop -a codex`. Or copy the skill folder (.agents/skills/biome-anti-slop in nightly-labs/openbot) into .agents/skills/biome-anti-slop in your project. Codex loads it when a task matches its description.

Can I use Biome Anti Slop 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 nightly-labs/openbot --skill biome-anti-slop -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/biome-anti-slop, .gemini/skills/biome-anti-slop, .github/skills/biome-anti-slop and .opencode/skills/biome-anti-slop in your project.

What does Biome Anti Slop need to run?

Going by SKILL.md and its folder, Biome Anti Slop needs TypeScript for the scripts in its folder and the command-line tools its instructions call (node and git). Our summary lists: Node.js.

Does Biome Anti Slop access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Biome Anti Slop 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Biome Anti Slop use?

Biome Anti Slop 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 Biome Anti Slop use?

About 1.5k tokens (SKILL.md is roughly 5.8k 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 Biome Anti Slop?

Skills that share tags, products or a category with Biome Anti Slop: Install Anti Slop (trycompai/crm, 11k stars), Deslop Typescript (Consensys/c0, 105 stars), Typescript (web-infra-dev/rstest, 505 stars) and Deepgram JS Text Intelligence (deepgram/deepgram-js-sdk, 276 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Biome Anti Slop?

nightly-labs (a GitHub organization) maintains it in nightly-labs/openbot, which has 507 GitHub stars. The repository holds 15 skills in this directory. The repository was last updated on October 10, 2026.

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