samber/cc-skills-golang · skills/golang-error-handling/SKILL.md

golang-error-handling skillA

golang-error-handling is agent-read markdown (skill) from samber/cc-skills-golang: Idiomatic Golang error handling — creation, wrapping with %w, errors.Is/As, errors.Join, custom error types, sentinel errors, panic/recover, the single handling rule, structured logging with slog, HTTP request logging middleware, and samber/oops for production errors. Built to make logs usable at scale with log aggregation 3rd-party tools. Apply when creating, wrapping, inspecting, or logging errors in Go code. For samber/oops specifics → See `samber/cc-skills-golang@golang-samber-oops` skill; f.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add samber/cc-skills-golang/golang-error-handling@v1.3.1
Exact content
mdr add samber/cc-skills-golang/golang-error-handling@sha256:536c25e624c3cf3d

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_vkqbfjkwprjxqtf5.svg)](https://markdownregistry.com/a/art_vkqbfjkwprjxqtf5)

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Versions

versioncommittedcommitsizeaudit
v1.3.1 latest2026-09-01 ec8c349 7,363 BA view · diff
v1.3.02026-08-19 ba9cc6d 7,363 BA view · diff
v1.2.12026-08-19 01cdd1a 7,363 BA view · diff
v1.2.12026-07-05 f4be06f 7,306 BA view · diff
v1.2.02026-05-23 8c7e016 6,995 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (7363 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

samber/cc-skills-golang · 3,187 stars · license MIT · pushed 2026-09-07 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_vkqbfjkwprjxqtf5
GET https://markdownregistry.com/api/v1/resolve?ref=samber/cc-skills-golang/golang-error-handling
GET https://markdownregistry.com/api/v1/blob/536c25e624c3cf3def98962d9f89db07b258cde6c9e7fd17009a9eb204ba631f