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Agent-Skills-Hub web-api-tester

Test API endpoints for correctness, edge cases, auth handling, and OpenAPI contract compliance.

install
source · Clone the upstream repo
git clone https://github.com/0x-Professor/Agent-Skills-Hub
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/0x-Professor/Agent-Skills-Hub "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/web-api-tester" ~/.claude/skills/0x-professor-agent-skills-hub-web-api-tester && rm -rf "$T"
manifest: skills/web-api-tester/SKILL.md
source content

Web API Tester

Objective

Run endpoint-level testing against 

openapi.yaml
and produce API quality coverage artifacts.

Required Workflow

  1. Read 
    openapi.yaml
    from 
    web-backend-builder
    .
  2. Build API collections for Bruno or Hoppscotch.
  3. Optionally generate automated tests in Vitest, Jest, or pytest.
  4. For each endpoint test:
    • happy path
    • edge cases (missing fields, invalid types, max payloads)
    • auth failures (
      401
      , 
      403
      )
    • rate limiting behavior
  5. Validate response contracts against OpenAPI using Zod (TS) or Pydantic (Python).
  6. Add frontend-backend contract tests for API call compatibility.
  7. Generate endpoint and edge-case coverage percentages.
  8. Output 
    api-test-report.json
    .

Execution

python skills/web-api-tester/scripts/api_tester.py --input <workspace> --output <out.json> --format json

References

  • references/tools.md