api-tester

Installation
SKILL.md

api-tester

Local CLI that batch-validates LLM API keys against each provider's /v1/models endpoint (or a chat completion when --model is given). Auto-detects provider by key prefix, retries on transient errors, masks output by default.

Source: https://github.com/recodeee/api-tester (private, recodee org) Local clone: ~/Documents/api-tester/

When to load this skill

  • User says: test api keys, validate keys, check which keys work, audit keys, rotate keys, find live keys, are these keys valid, sk- key checker.
  • User pastes ≥1 line(s) starting with sk-, sk-ant-, xai-, AIza, or sk-or- and asks for status.
  • User mentions credential leak / git-secret cleanup and wants to know which exposed keys are live → call api-tester first, then push them through rotation.
Installs
1
Repository
opencue/skills
GitHub Stars
3
First Seen
Jun 22, 2026
api-tester — opencue/skills