A guide to building services, command-line tools, and microservices in Go 1.21 or newer. It covers Go-style concurrency, testing, profiling, logging, and observability.

Use it to design worker-based or other concurrent programs, investigate races and slow code with profiling, and build measurable, testable Go services and tools.

It helps avoid common concurrency bugs and performance problems while keeping Go code easier to test and operate.

golang-pro — Skill for Claude Code by findscripter/everything-skills

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add findscripter/everything-skills --skill golang-pro

Clone the repo

git clone --depth 1 https://github.com/findscripter/everything-skills

Made for: Claude Code.

Or install 02-engineering, the plugin that ships this one along with the rest of its 125 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/findscripter/everything-skills/golang-pro/github.svg)](https://agentmods.dev/skills/findscripter/everything-skills/golang-pro)

Your own site

<a href="https://agentmods.dev/skills/findscripter/everything-skills/golang-pro"><img src="https://agentmods.dev/badge/skills/findscripter/everything-skills/golang-pro/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/findscripter/everything-skills/golang-pro"><img src="https://agentmods.dev/badge/skills/findscripter/everything-skills/golang-pro.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 119 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,390 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin unknown No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00119	$0.01390
Opus 5.5	$0.00048	$0.00556
Sonnet 5.5	$0.00024	$0.00278
Haiku 4.5	$0.00012	$0.00139

Measured today against content hash 34c14ac35916, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

golang-pro scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

02-engineering/golang-pro/SKILL.md · 104 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

today First seen · 104 lines · 119 tokens per session scan A 34c14ac35916

Subscribe to this mod's changes

golang-pro is a skill published in the GitHub repository findscripter/everything-skills (11 stars, last pushed today), with no licence file. It adds 119 tokens to every session and 1,390 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-12.

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golang-pro next to 6 skills from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
golang-profindscripter/everything-skills	Skill	11	today	none	A	119	Claude Code
go-idiomsWade-DevCode/awesome-coding-skills-cn	Skill	7	5mo ago	MIT	A	26	Claude Code, Codex
go-programming-expertroedyrustam/vibes-plug	Skill	126	2d ago	MIT	A	45	Cursor
hecate-providershecatehq/hecate	Skill	24	3d ago	MIT	A	55	Claude Code, Codex
go-expertpersonamanagmentlayer/pcl	Skill	45	18d ago	Apache-2.0	A	65	Claude Code
go-contextcxuu/golang-skills	Skill	194	4mo ago	Apache-2.0	A	73	Claude Code
go-functional-optionscxuu/golang-skills	Skill	194	4mo ago	Apache-2.0	A	65	Claude Code