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Design and review stable, idiomatic Go package APIs covering naming, exported declarations, embedding, receivers, typed-nil interfaces, generics, functional options, method sets, errors, wire…
Install Go Idiomatic API Design
$ npx skills add hashgraph-online/awesome-codex-plugins --skill go-idiomatic-api-design -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins go-idiomatic-api-design --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design .claude/skills/go-idiomatic-api-design && rm -rf skills-srcUse ~/.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/
Install the "go-idiomatic-api-design" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design into .claude/skills/go-idiomatic-api-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "go-idiomatic-api-design", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-designType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill go-idiomatic-api-design -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins go-idiomatic-api-design --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .agents/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design .agents/skills/go-idiomatic-api-design && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "go-idiomatic-api-design" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design into .agents/skills/go-idiomatic-api-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "go-idiomatic-api-design", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill go-idiomatic-api-design -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins go-idiomatic-api-design --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design .cursor/skills/go-idiomatic-api-design && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "go-idiomatic-api-design" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design into .cursor/skills/go-idiomatic-api-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "go-idiomatic-api-design", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/hashgraph-online/awesome-codex-plugins.git --path plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill go-idiomatic-api-design -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins go-idiomatic-api-design --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design .gemini/skills/go-idiomatic-api-design && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "go-idiomatic-api-design" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design into .gemini/skills/go-idiomatic-api-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "go-idiomatic-api-design", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install hashgraph-online/awesome-codex-plugins go-idiomatic-api-designInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add hashgraph-online/awesome-codex-plugins --skill go-idiomatic-api-design -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .github/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design .github/skills/go-idiomatic-api-design && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "go-idiomatic-api-design" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design into .github/skills/go-idiomatic-api-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "go-idiomatic-api-design", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill go-idiomatic-api-design -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins go-idiomatic-api-design --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design .opencode/skills/go-idiomatic-api-design && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "go-idiomatic-api-design" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design into .opencode/skills/go-idiomatic-api-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "go-idiomatic-api-design", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
go-idiomatic-api-design- GitHub stars
- 1.3k
- Token cost
- ~789 tokens
- SKILL.md length
- 312 words
- Files
- 7 (incl. references)
- Skills in repo
- 714
- Repo updated
- First seen
- Licence
- MIT
At a glance
Design and review stable, idiomatic Go package APIs covering naming, exported declarations, embedding, receivers, typed-nil interfaces, generics, functional options, method sets, errors, wire…
- Works in 9 steps: Identify callers, supported operations,… → Sketch realistic call sites before… → Keep packages cohesive and names clear… → …
- Creating a reusable Go package
- SKILL.md covers Core Workflow, Read Next, Guardrails and Source Notes
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Go Idiomatic API Design is an agent skill from hashgraph-online/awesome-codex-plugins. Design and review stable, idiomatic Go package APIs covering naming, exported declarations, embedding, receivers, typed-nil interfaces, generics, functional options, method sets, errors, wire contracts, compatibility, and examples. Use when creating a reusable Go package, reviewing its public surface, evolving an exported API, or choosing concrete types, functions, methods, fields, interfaces, or type parameters.
Its SKILL.md is about 790 tokens, which your agent loads only when the skill is triggered. The skill folder holds 10 other files, including reference files (for example `agents/openai.yaml`, `guidelines.md` and `references/api-design/examples.md`). Compatibility notes: Codex, Claude Code, and other Agent Skills-compatible clients.
It sits in Backend & APIs, covering API design and Embeddings. The repository describes itself as: A curated list of awesome OpenAI Codex / ChatGPT plugins, skills, and resources. The 1 Codex Marketplace. See live plugins at: https://hol.org/plugins/best-codex-plugins. The licence is MIT.
When your agent uses it
- Creating a reusable Go package
- Reviewing its public surface
- Evolving an exported API
- Choosing concrete types
Example prompts
- “/go-idiomatic-api-design”
Requirements
- Compatibility (from SKILL.md): Codex, Claude Code, and other Agent Skills-compatible clients.
Workflow steps
9 steps, taken from the first numbered list in SKILL.md.
- Identify callers, supported operations, and compatibility constraints.
- Sketch realistic call sites before choosing exported names or types.
- Keep packages cohesive and names clear without package-name stutter.
- Prefer concrete provider APIs; define narrow interfaces at consumers.
- Decide zero-value, mutation, copying, concurrency, and error contracts.
- Review embedding, receiver method sets, typed nils, generics, and option conflicts.
- Integrate standard interfaces only when their semantics truly match.
- Prove the public surface with external tests and executable examples.
- Review the change for accidental compatibility commitments.
What it can do on your machine
Read from SKILL.md and the folder at commit 9e7b281. 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
Links to these hosts (documentation or services it may open):
go.devmanning.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.
Compatibility
Codex, Claude Code, and other Agent Skills-compatible clients.
From compatibility in the SKILL.md frontmatter.
Context cost
Go Idiomatic API Design loads about 789 tokens when it runs, and up to ~2.8k if it reads all its reference files. Until then it costs about 110 tokens; SKILL.md has 312 words of instructions outside code blocks.
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 hashgraph-online/awesome-codex-plugins at commit 9e7b281, republished under its MIT licence (© hashgraph-online). 312 words, ~789 tokens.
Download SKILL.mdSave it as
.claude/skills/go-idiomatic-api-design/SKILL.md (or your agent's skills folder). This skill also uses 6 other files; get the full folder from GitHub.- name
- go-idiomatic-api-design
- description
- Design and review stable, idiomatic Go package APIs covering naming, exported declarations, embedding, receivers, typed-nil interfaces, generics, functional options, method sets, errors, wire contracts, compatibility, and examples. Use when creating a reusable Go package, reviewing its public surface, evolving an exported API, or choosing concrete types, functions, methods, fields, interfaces, or type parameters.
- compatibility
- Codex, Claude Code, and other Agent Skills-compatible clients.
- license
- MIT
- metadata.version
- 0.2.0
- metadata.displayName
- Go Idiomatic API Design
- metadata.category
- Go
- metadata.tags
- go,golang,api-design,packages,interfaces,compatibility
Go Idiomatic API Design
Design from the caller's code inward. Prefer the smallest coherent public surface that preserves invariants and can evolve without needless interfaces.
Core Workflow
- Identify callers, supported operations, and compatibility constraints.
- Sketch realistic call sites before choosing exported names or types.
- Keep packages cohesive and names clear without package-name stutter.
- Prefer concrete provider APIs; define narrow interfaces at consumers.
- Decide zero-value, mutation, copying, concurrency, and error contracts.
- Review embedding, receiver method sets, typed nils, generics, and option conflicts.
- Integrate standard interfaces only when their semantics truly match.
- Prove the public surface with external tests and executable examples.
- Review the change for accidental compatibility commitments.
Read Next
| Task | Load |
|---|---|
| Design or evolve an API | guidelines.md, workflows/review-public-api.md |
| Choose types, fields, methods, or interfaces | references/api-design/rules.md |
| Understand compatibility and method sets | references/api-design/knowledge.md |
| Review concrete patterns | references/api-design/examples.md |
Guardrails
- Do not export a field merely to avoid writing behavior.
- Do not define a provider-wide interface as a mirror of its methods.
- Do not accept an interface before a real consumer requires substitution.
- Do not use a standard interface when its conventional semantics are surprising.
- Do not claim conformance assertions prove behavior.
- Do not embed a public type unless every promoted behavior is intentional.
- Do not return a typed nil pointer through an interface success path.
- Check the module's Go language version before giving version-sensitive advice.
Source Notes
Guidance is transformed and paraphrased from Inanc Gumus, Go by Example: Programmer's Guide to Idiomatic and Testable Programs (Manning, 2025), especially Chapters 1, 2, 5, 9, and 10. Examples are original.
Embedding, receivers, generics, functional options, and typed-nil guidance also incorporates transformed material from Teiva Harsanyi, 100 Go Mistakes and How to Avoid Them (Manning, 2022), Chapters 2 and 6.
Book: https://www.manning.com/books/go-by-example
Current language and documentation contracts should be verified against https://go.dev/ref/spec, https://go.dev/doc/comment, and the module's pinned Go version.
© hashgraph-online, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 6 other files (references) in plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design of hashgraph-online/awesome-codex-plugins.
- SKILL.md
- agents/openai.yaml
- guidelines.md
- references/api-design/examples.md
- references/api-design/knowledge.md
- references/api-design/rules.md
- workflows/review-public-api.md
Open the folder on GitHubat commit 9e7b281
Compare with similar skills
Go Idiomatic API Design 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Go Idiomatic API Design this skillhashgraph-online/awesome-codex-plugins | 1.3k | — | ~789 | Automated safety check: Pass | MIT | |
| Operator Migrationvipshop/cache-dit | 1.3k | — | ~3.8k | Automated safety check: Pass | Apache-2.0 | |
| Golang Structs Interfacescontext-labs/whip | 1.1k | — | ~3.3k | Automated safety check: Pass | MIT | |
| Multimodal Dataprep Devopen-edge-platform/edge-ai-libraries | 169 | — | ~1.3k | Automated safety check: Pass | Apache-2.0 | |
| Multimodal Dataprep Useropen-edge-platform/edge-ai-libraries | 169 | — | ~2.2k | Automated safety check: Pass | Apache-2.0 | |
| Golang Structs Interfacesaiskillstore/marketplace | 430 | 1 repos | ~3k | Automated safety check: Pass | MIT |
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Related
Categories
Questions about Go Idiomatic API Design
What does Go Idiomatic API Design do?
Design and review stable, idiomatic Go package APIs covering naming, exported declarations, embedding, receivers, typed-nil interfaces, generics, functional options, method sets, errors, wire…. Go Idiomatic API Design is an agent skill from hashgraph-online/awesome-codex-plugins. Design and review stable, idiomatic Go package APIs covering naming, exported declarations, embedding, receivers, typed-nil interfaces, generics, functional options, method sets, errors, wire contracts, compatibility, and examples.
When should I use Go Idiomatic API Design?
Go Idiomatic API Design fits situations like: creating a reusable Go package; reviewing its public surface; evolving an exported API; choosing concrete types.
How do I install Go Idiomatic API Design in Claude Code?
Run `npx skills add hashgraph-online/awesome-codex-plugins --skill go-idiomatic-api-design -a claude-code`. Or copy the skill folder (plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design in hashgraph-online/awesome-codex-plugins) into .claude/skills/go-idiomatic-api-design in your project. Claude Code loads it when a task matches its description.
How do I install Go Idiomatic API Design in Codex?
Run `npx skills add hashgraph-online/awesome-codex-plugins --skill go-idiomatic-api-design -a codex`. Or copy the skill folder (plugins/LVTD-LLC/skills/skills/go-idiomatic-api-design in hashgraph-online/awesome-codex-plugins) into .agents/skills/go-idiomatic-api-design in your project. Codex loads it when a task matches its description.
Can I use Go Idiomatic API Design 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 hashgraph-online/awesome-codex-plugins --skill go-idiomatic-api-design -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/go-idiomatic-api-design, .gemini/skills/go-idiomatic-api-design, .github/skills/go-idiomatic-api-design and .opencode/skills/go-idiomatic-api-design in your project.
What does Go Idiomatic API Design need to run?
SKILL.md names no scripts, command-line tools or credentials: Go Idiomatic API Design is instructions for the agent only. Compatibility (from SKILL.md): Codex, Claude Code, and other Agent Skills-compatible clients..
Does Go Idiomatic API Design access the network?
SKILL.md names 2 domains. As links in the text: go.dev and manning.com. This is read from the text; nothing was executed.
Is Go Idiomatic API Design 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 Go Idiomatic API Design use?
Go Idiomatic API Design is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Go Idiomatic API Design use?
About 789 tokens (SKILL.md is roughly 3.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2k tokens, read only when the agent opens those files.
What are the alternatives to Go Idiomatic API Design?
Skills that share tags, products or a category with Go Idiomatic API Design: Operator Migration (vipshop/cache-dit, 1.3k stars), Golang Structs Interfaces (context-labs/whip, 1.1k stars), Multimodal Dataprep Dev (open-edge-platform/edge-ai-libraries, 169 stars) and Multimodal Dataprep User (open-edge-platform/edge-ai-libraries, 169 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Go Idiomatic API Design?
hashgraph-online (a GitHub organization) maintains it in hashgraph-online/awesome-codex-plugins, which has 1,255 GitHub stars. The repository holds 714 skills in this directory. The repository was last updated on October 9, 2026.
Source: hashgraph-online/awesome-codex-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.