Updated 5mo ago
by oribarilan
97
Agent skills distilled from the hard-won lessons of world-renowned programmers, in the spirit of "97 Things Every Programmer Should Know"
24 GitHub stars (24)
Steady at 24 stars — no new stars in the 20 days since Sep 26.
- 12 skills (12 skills found in its SKILL.md files)
- 1 forks (1 forks)
- 5mo ago last update (Last updated 5mo ago)
Install
Skills CLI
npx skills add oribarilan/97
Asks which skills and agents to install. Just one: npx skills add oribarilan/97 --skill api-design — add -g for every project.
Claude Code
git clone https://github.com/oribarilan/97cp -r "97/skills/api-design" ~/.claude/skills/
Copies the api-design skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.
Plugin
/plugin marketplace add oribarilan/97
Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.
Skills can run code on your machine — read the SKILL.md first.
What it does
In the author's own words, from each skill's SKILL.md.
-
api-design
Use when designing or reviewing a public API, exported function signature, module boundary, exported type/interface, or any contract other code depends on
skills/api-design/SKILL.md on GitHub (opens in a new tab) -
before-you-refactor
Use when considering, evaluating, or performing a refactor, restructure, cross-file rename, or cleanup
skills/before-you-refactor/SKILL.md on GitHub (opens in a new tab) -
build-deploy-and-tooling
Use when writing, reviewing, or changing build scripts, CI workflows, deploy pipelines, repo setup, or evaluating a new tool/dependency
skills/build-deploy-and-tooling/SKILL.md on GitHub (opens in a new tab) -
clean-code
Use when writing or reviewing functions, classes, naming, or non-trivial logic (≥3 lines)
skills/clean-code/SKILL.md on GitHub (opens in a new tab) -
correctness-traps
Use when writing or reviewing error handling, floating-point math, concurrent code, remote calls, singletons/globals, hot-path data structures, or high-volume log statements
skills/correctness-traps/SKILL.md on GitHub (opens in a new tab) -
domain-modeling
Use when introducing, reviewing, or renaming a top-level type, table, or domain concept; or choosing where state lives (in-memory vs persistent)
skills/domain-modeling/SKILL.md on GitHub (opens in a new tab) -
observability
Use when writing or reviewing request handlers, RPCs, or background jobs for production; adding tracing, metrics, or structured-log calls; or making diagnosability decisions
skills/observability/SKILL.md on GitHub (opens in a new tab) -
security-and-trust-boundaries
Use when writing or reviewing code that parses user input, builds SQL/shell commands, handles secrets/credentials, hashes passwords, changes auth checks, deserializes untrusted data, or constructs paths/URLs from input
skills/security-and-trust-boundaries/SKILL.md on GitHub (opens in a new tab) -
self-review
Use when about to commit, finish a task, open a PR, summarize work for the user, or when the user asks for a review or summary — NOT just on autonomous commits, which are rare in OpenCode usage
skills/self-review/SKILL.md on GitHub (opens in a new tab) -
testing-discipline
Use when writing or reviewing tests, designing test data, naming a test, choosing what to assert, or writing test helpers/mocks/fixtures
skills/testing-discipline/SKILL.md on GitHub (opens in a new tab) -
using-97
Use when starting any coding task — establishes the 97 trigger map so principles fire when relevant
skills/using-97/SKILL.md on GitHub (opens in a new tab) -
working-with-users-and-team
Use when gathering or interpreting requirements, estimating effort, or communicating with stakeholders/customers about what to build
skills/working-with-users-and-team/SKILL.md on GitHub (opens in a new tab)
No skill matches that filter.
Review before you install
A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.
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