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Agent skill

API Smoke Testing

by spencerpauly in spencerpauly/awesome-cursor-skills

Start the dev server, discover API routes from the codebase, hit every endpoint, and report which ones return errors.

CC0-1.0Auto-check passedBackend & APIs

Install API Smoke Testing

skills CLI
$ npx skills add spencerpauly/awesome-cursor-skills --skill api-smoke-testing -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install spencerpauly/awesome-cursor-skills api-smoke-testing --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/spencerpauly/awesome-cursor-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/resources/api-smoke-testing .claude/skills/api-smoke-testing && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
api-smoke-testing
GitHub stars
843
Token cost
~520 tokens
SKILL.md length
187 words
Files
1
Skills in repo
60
Repo updated
First seen
Licence
CC0-1.0

At a glance

Start the dev server, discover API routes from the codebase, hit every endpoint, and report which ones return errors.

  • Works in 6 steps: Discover Routes → Ensure Server is Running → Hit Every Endpoint → …
  • Backend & APIs work in your project
  • Calls curl

What it does

API Smoke Testing is an agent skill from spencerpauly/awesome-cursor-skills. Start the dev server, discover API routes from the codebase, hit every endpoint, and report which ones return errors.

Its SKILL.md is about 520 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Backend & APIs. The repository describes itself as: A curated list of awesome skills for Cursor. The licence is CC0-1.0.

When your agent uses it

  • Backend & APIs work in your project

Example prompts

  • “/api-smoke-testing”

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. Discover Routes
  2. Ensure Server is Running
  3. Hit Every Endpoint
  4. Classify Results
  5. Report
  6. Fix Errors

What it can do on your machine

Read from SKILL.md and the folder at commit 99cd265. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • curl

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use curl, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

API Smoke Testing loads about 520 tokens when it runs. Until then it costs about 34 tokens; SKILL.md has 187 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~34
When it runs · the whole SKILL.md, loaded when a task matches
~520

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from spencerpauly/awesome-cursor-skills at commit 99cd265, republished under its CC0-1.0 licence (© spencerpauly). 187 words, ~520 tokens.

Download SKILL.mdSave it as .claude/skills/api-smoke-testing/SKILL.md (or your agent's skills folder).
name
api-smoke-testing
description
Start the dev server, discover API routes from the codebase, hit every endpoint, and report which ones return errors.
user-invocable
true

API Smoke Testing

Verify all API endpoints return healthy responses by combining codebase analysis with HTTP requests.

Workflow

1. Discover Routes

Search the codebase for API route definitions:

Next.js (App Router): app/api/**/route.ts Next.js (Pages Router): pages/api/**/*.ts Express: Look for app.get(, app.post(, router.get(, etc. Django: Look for urlpatterns in urls.py FastAPI: Look for @app.get(, @app.post(, decorators Rails: Look for routes.rb

Build a list of endpoints with their HTTP methods.

2. Ensure Server is Running

Check terminal files for a running dev server. If none found, start one.

3. Hit Every Endpoint

For each route:

bash
curl -s -o /dev/null -w "%{http_code}" -X <METHOD> http://localhost:<PORT><PATH>

For endpoints that require a body (POST/PUT/PATCH), send a minimal valid JSON:

bash
curl -s -o /dev/null -w "%{http_code}" -X POST http://localhost:<PORT><PATH> \
  -H "Content-Type: application/json" \
  -d '{}'
4. Classify Results
StatusMeaning
200-299OK
301/302Redirect (OK)
400Bad request (expected for empty POST bodies)
401/403Auth required (expected for protected routes)
404Route not found (BUG — route exists in code but not served)
500Server error (BUG)
000/timeoutServer not responding (BUG)
5. Report
API Smoke Test Results:
  Tested: 15 endpoints
  Passed: 12
  Auth required: 2 (GET /api/user, POST /api/settings)
  Errors:
    500 — POST /api/webhooks/stripe (TypeError: Cannot read property 'id' of undefined)
    404 — GET /api/v2/health (route defined but not mounted)
6. Fix Errors

For 500 errors, read the terminal output for the stack trace and fix the root cause. For 404s, check that the route file is in the correct location and properly exported.

© spencerpauly, CC0-1.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in resources/api-smoke-testing of spencerpauly/awesome-cursor-skills.

Open the folder on GitHubat commit 99cd265

Compare with similar skills

API Smoke Testing next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

API Smoke Testing compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
API Smoke Testing this skillspencerpauly/awesome-cursor-skills843—~520Automated safety check: PassCC0-1.0
Configuring Horizoncoollabsio/coolify63k4 repos~898Automated safety check: PassMIT
Nestjs Best Practicesrolling-scopes/rsschool-app10k6 repos~1.2kAutomated safety check: PassMIT
Sub2API AdminWei-Shaw/sub2api44k1 repos~717Automated safety check: PassLGPL-3.0
Firecrawl Build Onboardingfirecrawl/firecrawl190k1 repos~1.4kAutomated safety check: NotesISC
Obsidian BasesAtmosphere/atmosphere3.8k22 repos~3.2kAutomated safety check: PassApache-2.0

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Categories

Questions about API Smoke Testing

What does API Smoke Testing do?

Start the dev server, discover API routes from the codebase, hit every endpoint, and report which ones return errors. API Smoke Testing is an agent skill from spencerpauly/awesome-cursor-skills. Start the dev server, discover API routes from the codebase, hit every endpoint, and report which ones return errors.

When should I use API Smoke Testing?

API Smoke Testing fits situations like: backend & APIs work in your project.

How do I install API Smoke Testing in Claude Code?

Run `npx skills add spencerpauly/awesome-cursor-skills --skill api-smoke-testing -a claude-code`. Or copy the skill folder (resources/api-smoke-testing in spencerpauly/awesome-cursor-skills) into .claude/skills/api-smoke-testing in your project. Claude Code loads it when a task matches its description.

How do I install API Smoke Testing in Codex?

Run `npx skills add spencerpauly/awesome-cursor-skills --skill api-smoke-testing -a codex`. Or copy the skill folder (resources/api-smoke-testing in spencerpauly/awesome-cursor-skills) into .agents/skills/api-smoke-testing in your project. Codex loads it when a task matches its description.

Can I use API Smoke Testing in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add spencerpauly/awesome-cursor-skills --skill api-smoke-testing -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/api-smoke-testing, .gemini/skills/api-smoke-testing, .github/skills/api-smoke-testing and .opencode/skills/api-smoke-testing in your project.

What does API Smoke Testing need to run?

Going by SKILL.md and its folder, API Smoke Testing needs the command-line tools its instructions call (curl).

Does API Smoke Testing access the network?

SKILL.md contains no URLs. Its commands use curl, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is API Smoke Testing safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does API Smoke Testing use?

API Smoke Testing is published under the CC0-1.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does API Smoke Testing use?

About 520 tokens (SKILL.md is roughly 2.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to API Smoke Testing?

Skills that share tags, products or a category with API Smoke Testing: Configuring Horizon (coollabsio/coolify, 63k stars), Nestjs Best Practices (rolling-scopes/rsschool-app, 10k stars), Sub2API Admin (Wei-Shaw/sub2api, 44k stars) and Firecrawl Build Onboarding (firecrawl/firecrawl, 190k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains API Smoke Testing?

spencerpauly (a GitHub user) maintains it in spencerpauly/awesome-cursor-skills, which has 843 GitHub stars. The repository holds 60 skills in this directory. The repository was last updated on August 2, 2026.

Source: spencerpauly/awesome-cursor-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.