# Implement Backend Routing And Controllers > Implement or refactor backend HTTP routing and controllers using a layered pattern (routes delegate, controllers validate and call services). Use when this capability is needed. - Skill: `tomevault-io/implement-backend-routing-and-controllers-3` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/implement-backend-routing-and-controllers-3` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/implement-backend-routing-and-controllers-3/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/implement-backend-routing-and-controllers-3 --- # implement-backend-routing-and-controllers (entry) Canonical source: `.ai/skills/backend/http/implement-backend-routing-and-controllers/` Open `.ai/skills/backend/http/implement-backend-routing-and-controllers/SKILL.md` and any supporting files referenced there (for example `reference.md`, `examples.md`, `scripts/`, `templates/`). > **Note**: The frontmatter above is identical to the canonical source except for `ssot_path` and `category` which are added for navigation. After opening the source file, skip re-reading the description to avoid redundant token usage. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/willyu1007) — claim your Tome and manage your conversions.