MCPInstall

go-linting

Use when setting up linting for a Go project, configuring golangci-lint, or adding Go checks to a CI/CD pipeline. Also use when starting a new Go project and deciding which linters to enable, even if the user only asks about "code quality" or "static analysis" without mentioning specific linter names. Does not cover code review process (see go-code-review).

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/cxuu/golang-skills --skill go-linting
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads go-linting automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Go Linting

Core Principle

More important than any "blessed" set of linters: lint consistently across a codebase.

Consistent linting helps catch common issues and establishes a high bar for code quality without being unnecessarily prescriptive.

Resource Routing

  • scripts/setup-lint.sh - Run when generating a .golangci.yml, validating the first lint pass, or producing JSON metadata.
  • assets/golangci.yml - Use as the v2 golangci-lint baseline for established projects.

Setup Procedure

  1. Create .golangci.yml with scripts/setup-lint.sh or copy assets/golangci.yml
  2. Run golangci-lint run ./...
  3. If errors appear, fix them category by category (formatting first, then vet, then style)
  4. Re-run until clean

After generating .golangci.yml, run golangci-lint config verify --config .golangci.yml to verify the configuration schema before relying on lint results.


Minimum Recommended Linters

These linters catch the most common issues while maintaining a high quality bar:

LinterPurpose
errcheckEnsure errors are handled
goimportsFormat code and manage imports
reviveCommon style mistakes (modern replacement for golint)
govetAnalyze code for common mistakes
staticcheckVarious static analysis checks

Note: revive is the modern, faster successor to the now-deprecated golint.


Lint Runner: golangci-lint

Use golangci-lint as your lint runner. See the example .golangci.yml from uber-go/guide.


Example Configuration

Use assets/golangci.yml as the maintained example. It targets golangci-lint v2 (verified with 2.10.1 on 2026-06-19), keeps goimports under formatters, and enables the core linters plus common production additions.

Running

# Install the version this skill's config is verified against
go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.10.1

# Run all linters
golangci-lint run

# Run on specific paths
golangci-lint run ./pkg/...

Additional Recommended Linters

Beyond the minimum set, consider these for production projects:

LinterPurposeWhen to enable
gosecSecurity vulnerability detectionAlways for services handling user input
ineffassignDetect ineffectual assignmentsAlways — catches dead code
misspellCorrect common misspellings in comments/stringsAlways
gocycloCyclomatic complexity thresholdWhen functions exceed ~15 complexity
exhaustiveEnsure switch covers all enum valuesWhen using iota enums
bodycloseDetect unclosed HTTP response bodiesAlways for HTTP client code

Nolint Directives

When suppressing a lint finding, always explain why:

//nolint:errcheck // fire-and-forget logging; error is not actionable
_ = logger.Sync()

Rules:

  • Use //nolint:lintername — never bare //nolint
  • Place the comment on the same line as the finding
  • Include a justification after //

CI/CD Integration

Run golangci-lint run ./... in CI after tests. Pin the golangci-lint version used by CI so local and release behavior do not drift.

Pre-commit Hook

#!/bin/sh
# .git/hooks/pre-commit
golangci-lint run --new-from-rev=HEAD~1

Use --new-from-rev to lint only changed code, keeping the feedback loop fast.


Quick Reference

TaskCommand/Action
Install golangci-lintgo install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.10.1
Run lintersgolangci-lint run
Run on pathgolangci-lint run ./pkg/...
Config file.golangci.yml in project root
CI integrationRun golangci-lint run in pipeline
Nolint directives//nolint:name // reason — never bare //nolint
CI integrationUse golangci/golangci-lint-action for GitHub Actions
Pre-commitgolangci-lint run --new-from-rev=HEAD~1

Linter Selection Guidelines

When you need...Use
Error handling coverageerrcheck
Import formattinggoimports
Style consistencyrevive
Bug detectiongovet, staticcheck
All of the abovegolangci-lint with config

Related Skills

  • Style foundations: See go-style-core when resolving style questions that linters enforce (formatting, nesting, naming)
  • Code review: See go-code-review when combining linter output with a manual review checklist
  • Error handling: See go-error-handling when errcheck flags unhandled errors and you need to decide how to handle them
  • Testing: See go-testing when running linters alongside tests in CI pipelines

FAQ

What does the go-linting skill do?

Use when setting up linting for a Go project, configuring golangci-lint, or adding Go checks to a CI/CD pipeline. Also use when starting a new Go project and deciding which linters to enable, even if the user only asks about "code quality" or "static analysis" without mentioning specific linter names. Does not cover code review process (see go-code-review).

How do I install go-linting?

Run npx skills add https://github.com/cxuu/golang-skills --skill go-linting in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/go-linting/ (personal) or .claude/skills/go-linting/ (project).

Which AI agents can use go-linting?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is go-linting safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains go-linting?

It is published by cxuu in cxuu/golang-skills. It has 1,285 recorded installs.

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