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Backend Validation

Category: Engineering  ·  Sub-category: backend  ·  Last updated:
Use this skill when validating a backend API or WebSocket endpoint end-to-end, including acquiring an OIDC bearer token for authenticated calls. Trigger whenever the user asks to test/validate/smoke-check a backend, write a Hurl test, hit a WebSocket, acquire an access token, exercise an OIDC flow, debug a 401, or verify an endpoint works with real auth. Applies to projects that use Hurl for HTTP tests, websocat for WebSocket probes, and oauth2c or curl-based flows for token acquisition (Authentik, Keycloak, Okta, Auth0, any RFC 6749 / OIDC Core provider). Prefer this skill over ad-hoc curl + bash when the user has more than one endpoint to check, chained auth flows, or anything resembling a regression test — because the Hurl + cached-refresh-token pattern is 10× less code and survives the next session.

From the source SKILL.md

For CLI-driven validation of backends behind OIDC auth. Deliberately tool-specific — Hurl, websocat, oauth2c. If the project has already picked Bruno/Postman/Insomnia, stop and use those instead; don't fork the tooling.

What this skill does

Backend Validation is a community-contributed Claude Code skill in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/backend-validation/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Backend Validation Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/backend-validation
curl -L https://claudskills.com/skills/backend-validation/SKILL.md \
  -o ~/.claude/skills/backend-validation/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/backend-validation/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/backend-validation/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\backend-validation\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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