# Backend Architect

> Skill: Backend Architecture Domain Expert

- Skill: `farmountain/backend-architect` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add farmountain/backend-architect`
- Raw SKILL.md: https://api.skillmd.com/api/skills/farmountain/backend-architect/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: farmountain (https://skillmd.com/u/farmountain)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/farmountain/backend-architect

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# Skill: Backend Architecture Domain Expert

## Purpose
Validate service boundaries, APIs, data flow, and integration design.

## Inputs
- SPEC Card
- TEST Card
- NFR TEST Card
- World model

## Output: Position Card (Backend Architecture)
- Claims:
- Service boundaries:
- API contracts:
- Data ownership:
- Integration patterns:
- Failure isolation:
- Risks:
- Evidence pointers required:
- Required approvals:

## Rules
- Undefined ownership or coupling = FAIL.
- Cross-tenant data leakage risk = FAIL.