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Agent skill

Bindings

by Goldziher in Goldziher/ai-rulez

Cross-language binding architecture rules: bindings as minimal glue, canonical API surface ordering (core, ABI, language), per-language test suites in CI, generated-code discipline, and error/async…

MITAuto-check passedTesting & QA

Install Bindings

skills CLI
$ npx skills add Goldziher/ai-rulez --skill bindings -a claude-code

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

GitHub CLI
$ gh skill install Goldziher/ai-rulez bindings --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/Goldziher/ai-rulez.git skills-src && mkdir -p .claude/skills && cp -r skills-src/internal/builtins/universal/polyglot-bindings/skills/bindings .claude/skills/bindings && 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
bindings
GitHub stars
158
Token cost
~265 tokens
SKILL.md length
104 words
Files
1
Skills in repo
11
Repo updated
First seen
Licence
MIT

At a glance

Cross-language binding architecture rules: bindings as minimal glue, canonical API surface ordering (core, ABI, language), per-language test suites in CI, generated-code discipline, and error/async…

  • Tasks that involve Test generation
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Bindings is an agent skill from Goldziher/ai-rulez. Cross-language binding architecture rules: bindings as minimal glue, canonical API surface ordering (core, ABI, language), per-language test suites in CI, generated-code discipline, and error/async boundary preservation. Load when designing or reviewing polyglot language bindings for a shared core.

Its SKILL.md is about 270 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 Testing & QA, covering Test generation. The repository describes itself as: One source of truth for AI assistant configs: 14 built-in presets (Claude, Cursor, Copilot, Codex, Gemini, Xum, …), full-parity custom presets, and distributable plugin bundles… The licence is MIT.

When your agent uses it

  • Tasks that involve Test generation

Example prompts

  • “/bindings”

What it can do on your machine

Read from SKILL.md and the folder at commit 01417cf. 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.

    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

Bindings loads about 265 tokens when it runs. Until then it costs about 77 tokens; SKILL.md has 104 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~77
When it runs · the whole SKILL.md, loaded when a task matches
~265

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

The full file from Goldziher/ai-rulez at commit 01417cf, republished under its MIT licence (© Goldziher). 104 words, ~265 tokens.

Download SKILL.mdSave it as .claude/skills/bindings/SKILL.md (or your agent's skills folder).
name
bindings
description
Cross-language binding architecture rules: bindings as minimal glue, canonical API surface ordering (core, ABI, language), per-language test suites in CI, generated-code discipline, and error/async boundary preservation. Load when designing or reviewing polyglot language bindings for a shared core.
  • Bindings are minimal glue: call the core library, convert types, convert errors — no business logic.
  • Canonical surface: core API first, stable native ABI second, language bindings third.
  • Keep integrations and framework adapters outside language bindings unless they are the binding's public purpose.
  • Give each binding its own language-native test suite and run it in CI.
  • Generated binding and e2e code must not be hand-edited. Change the source schema, generator, or core API instead.
  • Error conversion must preserve context across every boundary: message, numeric code when available, and operation.
  • Async boundaries must match host runtime conventions; do not block event loops, schedulers, or UI threads.

© Goldziher, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in internal/builtins/universal/polyglot-bindings/skills/bindings of Goldziher/ai-rulez.

Open the folder on GitHubat commit 01417cf

Compare with similar skills

Bindings 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.

Bindings compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Bindings this skillGoldziher/ai-rulez158—~265Automated safety check: PassMIT
Emcaklofas/kicad-happy1.4k1 repos~2.8kAutomated safety check: PassMIT
Swig Testswig/swig6.3k—~2.3kAutomated safety check: PassCustom licence
Generate Test Cases342164796/generate-test-cases1191 repos~2.9kAutomated safety check: PassNone
Verify Cc Safety Netkenryu42/cc-safety-net1.6k—~2kAutomated safety check: PassMIT
Wioworkersio/skills190—~5.8kAutomated safety check: PassMIT

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Categories

Questions about Bindings

What does Bindings do?

Cross-language binding architecture rules: bindings as minimal glue, canonical API surface ordering (core, ABI, language), per-language test suites in CI, generated-code discipline, and error/async…. Bindings is an agent skill from Goldziher/ai-rulez. Cross-language binding architecture rules: bindings as minimal glue, canonical API surface ordering (core, ABI, language), per-language test suites in CI, generated-code discipline, and error/async boundary preservation.

When should I use Bindings?

Bindings fits situations like: tasks that involve Test generation.

How do I install Bindings in Claude Code?

Run `npx skills add Goldziher/ai-rulez --skill bindings -a claude-code`. Or copy the skill folder (internal/builtins/universal/polyglot-bindings/skills/bindings in Goldziher/ai-rulez) into .claude/skills/bindings in your project. Claude Code loads it when a task matches its description.

How do I install Bindings in Codex?

Run `npx skills add Goldziher/ai-rulez --skill bindings -a codex`. Or copy the skill folder (internal/builtins/universal/polyglot-bindings/skills/bindings in Goldziher/ai-rulez) into .agents/skills/bindings in your project. Codex loads it when a task matches its description.

Can I use Bindings 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 Goldziher/ai-rulez --skill bindings -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/bindings, .gemini/skills/bindings, .github/skills/bindings and .opencode/skills/bindings in your project.

What does Bindings need to run?

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

Does Bindings 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 Bindings 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 Bindings use?

Bindings is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Bindings use?

About 265 tokens (SKILL.md is roughly 1.1k 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 Bindings?

Skills that share tags, products or a category with Bindings: Emc (aklofas/kicad-happy, 1.4k stars), Swig Test (swig/swig, 6.3k stars), Generate Test Cases (342164796/generate-test-cases, 119 stars) and Verify Cc Safety Net (kenryu42/cc-safety-net, 1.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Bindings?

Goldziher (a GitHub user) maintains it in Goldziher/ai-rulez, which has 158 GitHub stars. The repository holds 11 skills in this directory. The repository was last updated on October 8, 2026.

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