sfcc-dev-mcp: Instructions file for Codex

AGENTS.md

sfcc-dev-mcp AGENTS.md is an instructions file for Codex, OpenCode from taurgis/sfcc-dev-mcp. It costs 10,573 tokens per session, scanned A, original, MIT.

An AGENTS.md instruction file documents operating rules for an AI coding agent working with an SFCC development MCP server.

In plain words
What is it for?
It covers engineering principles, safety, documentation, testing, and how to discover the server’s tool responses.
Why use it?
It gives agents consistent guidance for checking facts, making focused changes, testing, and keeping documentation aligned.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md; built for aider.

This is taurgis/sfcc-dev-mcp's own configuration. It tells Codex and OpenCode how to work on sfcc-dev-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything sfcc-dev-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to taurgis/sfcc-dev-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/taurgis/sfcc-dev-mcp/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/taurgis/sfcc-dev-mcp

Made for: Codex, OpenCode.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for sfcc-dev-mcp AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/taurgis/sfcc-dev-mcp/agents-md/github.svg)](https://agentmods.dev/instructions/taurgis/sfcc-dev-mcp/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/taurgis/sfcc-dev-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/taurgis/sfcc-dev-mcp/agents-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for sfcc-dev-mcp AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/taurgis/sfcc-dev-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/taurgis/sfcc-dev-mcp/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 10,573 This file is loaded in full into every session.
When invoked 10,573 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.10573 $0.10573
Opus 5.5 $0.04229 $0.04229
Sonnet 5.5 $0.02115 $0.02115
Haiku 4.5 $0.01057 $0.01057

Measured 1mo ago against content hash c254027de72c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sfcc-dev-mcp AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

AGENTS.md · 691 lines

How it starts

The opening of the file, as written. The whole thing — 691 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md – SFCC Development MCP Server (AI Coding Agent Instructions)

This file provides authoritative, agent-focused operational guidelines. It complements README.md by documenting build/test workflows, architectural conventions, and maintenance rules that would clutter a human-facing introduction.

Goals of AGENTS.md:

  • Give any AI coding agent (Copilot, Cursor, Claude, Gemini, Aider, Factory, Ona, Devin, Zed, etc.) a predictable place to load project instructions
  • Separate contributor onboarding (README) from deep operational detail (here)
  • Encourage portable, open, plain-Markdown instructions (no proprietary schema)

Agent Operating Principles (Quick Commit Rules):

  1. Verify reality first (counts, structures) with commands—never guess
  2. Make surgical diffs—no drive‑by formatting or unrelated refactors
  3. Validate after every substantive change (build + lint + relevant tests)
  4. Prefer explicit, readable code & docs over clever abstractions
  5. Surface ambiguity or risky instructions with safer alternatives
  6. Keep AGENTS.md ↔ README.md in sync where they overlap (update both or neither)
  7. Discover actual tool response formats with npx aegis query before writing tests
  8. Treat security (credentials, paths, network) as a first‑class concern—assume local but protect anyway
  9. Defer performance tuning unless a measurable issue exists; avoid premature micro‑optimizations
  10. Fail loud & clear: actionable error messages, user vs system error distinction

🤖 Unified Engineering Principles & Persona

Operate as a senior TypeScript / Node.js engineer with deep MCP + SFCC (OCAPI, SCAPI, WebDAV, logs, system objects, preferences) domain knowledge. Apply the following unified principles (consolidates former Persona, Professional Standards, Development Approach, and Development Guidelines):

Core Competencies

  • MCP protocol compliance & tool schema rigor
  • SFCC integration breadth: logs, job logs, OCAPI auth, system objects, site preferences
  • Strong TypeScript typing, safe narrowing, interface-driven design
  • OAuth + token lifecycle correctness
  • Log & job execution analysis (parsing, summarization, health signals)
  • Documentation ingestion (scan → parse → resolve → extract types)
  • Multi-layer test strategy: Jest (unit) + Aegis YAML (declarative) + Node programmatic (stateful)

Read the full file on GitHub · 691 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 691 lines · 10,573 tokens per session scan A c254027de72c

Subscribe to this mod's changes

sfcc-dev-mcp AGENTS.md is an instructions file published in the GitHub repository taurgis/sfcc-dev-mcp (28 stars, last pushed 6d ago), licensed MIT. It adds 10,573 tokens to every session, about $0.0423 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Related

Other instructions, from other repositories

vscode buildNext.instructions.md

Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).

microsoft/vscode · 9,715 tokens

next.js AGENTS.md

AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.

vercel/next.js · 7,581 tokens

vscode oss-third-party-notices.instructions.md

Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, cache eligibility and rollout and applying the notice (cutover).

microsoft/vscode · 5,262 tokens

langchain AGENTS.md

AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.

langchain-ai/langchain · 4,680 tokens

deepseek-harness AGENTS.md

AGENTS.md instructions for deepseek-ai/deepseek-harness, covering agents.md, pre-stable apis and released session data, repository layout, commands and host sandbox failures.

deepseek-ai/deepseek-harness · 4,261 tokens

vscode copilot-instructions.md

Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).

microsoft/vscode · 2,731 tokens