SkillsAdd

daemon-blockint-tech/agentic-enteprises-skill

web-application-developer

Guides web application development—browser-based products spanning UI, HTTP APIs, sessions and cookies, routing (SPA and SSR), forms, file uploads, and web-specific security (CSRF, CORS, CSP, XSS prevention) on stacks such as React/Next.js, Vue, or similar with Node/Python/Ruby backends. Use when building or maintaining a web app, implementing login flows, server-rendered or hybrid pages, REST/GraphQL consumption, or debugging browser–server issues—not for mobile native apps, CLI tools, or data…

First seen May 20, 2026

Installation

$ npx skills add daemon-blockint-tech/agentic-enteprises-skill --skill web-application-developer
View on skills.sh ↗ GitHub repository ↗

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 8
Default branch main
Open issues 0
Status Active

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 4,155 B
  • docs SUMMARY.md 827 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 34 installs

SKILL.md

Web Application Developer

When to Use

  • Build or extend a browser-based web application (not native mobile)
  • Implement auth flows, sessions, or token handling in a web context
  • Connect UI to HTTP APIs with correct error and loading handling
  • Address CORS, cookies, CSRF, or caching behavior between browser and server
  • Ship SSR, SPA, or hybrid (e.g., Next.js) routing and data loading

When NOT to Use

  • Native iOS/Android or desktop-only clients → stack-specific mobile/desktop guidance
  • Pure infrastructure or pipelines → devops, infrastructure-engineer
  • UX discovery and wireframes only → product-designer
  • Org-wide security program → cybersecurity
  • Senior cross-service RFCs → senior-software-engineer

Related skills

Need Skill
Full-stack IC features (general) fullstack-software-engineer
Senior full-stack delivery senior-fullstack-developer
Front-end architecture only senior-frontend-software-engineer
UI screens from design specs ui-software-engineer
UX specs and flows product-designer
Pipeline and hosting devops
Pipeline security scans devsecops

Core Workflows

1. Web app structure

Choose rendering model explicitly:

Model When
SSR / hybrid SEO, fast first paint, authenticated dashboards
SPA Heavy client interactivity, app behind login
Static + API Marketing site + separate app subdomain

Document: routes, auth gates, global layout, error boundaries.

See references/webapparchitecture.md for routing and env patterns.

2. HTTP API integration

  • Use typed client or OpenAPI-generated types
  • Handle 401 → refresh or redirect to login
  • Timeouts and retry only for idempotent GETs
  • Paginate list endpoints; avoid loading unbounded data in browser

See references/api_integration.md for client patterns.

3. Auth in the browser

  • Prefer HttpOnly, Secure, SameSite cookies for session cookies
  • Or short-lived access token in memory + refresh rotation
  • Never store secrets in localStorage for high-risk apps
  • Protect state-changing routes with CSRF tokens when using cookies

See references/auth_sessions.md for flow diagrams.

4. Forms and uploads

  • Client validation for UX; server validation required
  • multipart/form-data for files; progress and size limits
  • Sanitize filenames; scan server-side if policy requires

5. Web security baseline

  • Escape output; avoid dangerouslySetInnerHTML without sanitizer
  • Set CSP headers; restrict script sources
  • CORS allowlist explicit origins—not * with credentials
  • Security headers: HSTS, X-Frame-Options or frame-ancestors

See references/web_security.md for checklist.

6. Test and release

  • Unit: validators, hooks, API mappers
  • Integration: API routes with test DB
  • E2E: login and one critical journey (Playwright/Cypress)
  • Smoke test after deploy on staging URL

See references/webapparchitecture.md for env and config.

When to load references

  • Architecture and env → references/webapparchitecture.md
  • API clients → references/api_integration.md
  • Login and sessions → references/auth_sessions.md
  • CSRF, CSP, CORS → references/web_security.md