observability-and-instrumentation
An agent skill by addyosmani, from addyosmani/agent-skills. Tags: api, debugging, developer-tools, web.
What it does
Instruments code so production behavior is visible and diagnosable. Use when adding logging, metrics, tracing, or alerting. Use when shipping any feature that runs in production and you need evidence it works. Use when production issues are reported but you can't tell what happened from the available data.
Install
With the skills CLI, which installs into Claude Code, Codex, Cursor and other agents:
npx skills add addyosmani/agent-skills --skill observability-and-instrumentationOr copy the skill folder into Claude Code's skills directory by hand (~/.claude/skills for every project, or .claude/skills inside one):
git clone --depth 1 https://github.com/addyosmani/agent-skills
cp -r agent-skills/skills/observability-and-instrumentation ~/.claude/skills/observability-and-instrumentationSafety box score
Not rated yet. A safety box score grades what a skill and its scripts can reach on the machine of whoever installs it, across eight categories from shell execution to secrets access. Anyone can request one from this page; it is saved for everyone. How the score works.
Source
- Repository
- addyosmani/agent-skills (all skills from this repository)
- Path
- skills/observability-and-instrumentation/SKILL.md
- Branch
- main
- Updated
- 2026-09-19
Related skills
- debugging-and-error-recovery — Guides systematic root-cause debugging.
- performance-optimization — Optimizes application performance across frontend, backend, queries, and databases.
- security-and-hardening — Hardens code against vulnerabilities.
- systematic-debugging — Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes
- browser-testing-with-devtools — Tests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs in a browser.
- deprecation-and-migration — Manages deprecation and migration. Use when removing old systems, APIs, or features. Use when migrating users from one implementation to another.