What is skills AGENTS.md?

Repository instructions for maintaining AI-agent skills for Apollo GraphQL tools. They describe the project layout, the required SKILL.md format, and the metadata and permissions each skill should include.

Use them when creating, editing, or validating Apollo-related skills and their supporting documentation.

They give contributors one set of rules for organising skill files and writing their configuration. This reduces uncertainty when adding or reviewing skills in the repository.

How apollographql/skills configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to apollographql/skills. 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/apollographql/skills/main/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/apollographql/skills

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/apollographql/skills/agents-md/github.svg)](https://agentmods.dev/instructions/apollographql/skills/agents-md)

Your own site

<a href="https://agentmods.dev/instructions/apollographql/skills/agents-md"><img src="https://agentmods.dev/badge/instructions/apollographql/skills/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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/apollographql/skills/agents-md"><img src="https://agentmods.dev/badge/instructions/apollographql/skills/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 705 This file is loaded in full into every session.

When invoked 705 The same file — it is already loaded in full.

Security scan B 1 finding. 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.

Model	Per session	Once invoked
Fable 5.1	$0.00705	$0.00705
Opus 5.5	$0.00282	$0.00282
Sonnet 5.5	$0.00141	$0.00141
Haiku 4.5	$0.00071	$0.00071

Measured 1mo ago against content hash 4f242cdbfa82, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

skills AGENTS.md scanned grade B with 1 finding 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.

Unrestricted tool accessmediumExcessive agency

A wildcard tool grant or "run any command" leaves no least-privilege boundary at all.

allowed-tools: Bash(tool:*) Read Write Edit Glob Grep

AGENTS.md · 73 lines

How it starts

The opening of the file, as written. The whole thing — 73 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Repository Overview

This repository contains AI agent skills for Apollo GraphQL tools, following the Agent Skills format. Skills are documentation bundles that AI coding assistants can use to provide context-aware help with Apollo technologies.

Repository Structure

skills/
├── <skill-name>/
│   ├── SKILL.md           # Main skill file (required) - has YAML frontmatter
│   └── references/        # Supporting documentation (optional)
│       └── *.md

Skill File Format

Every SKILL.md must include YAML frontmatter with:

name: skill identifier (lowercase, hyphenated)
description: multi-line description with numbered use cases
license: MIT
compatibility: runtime requirements
metadata: author (apollographql) and version
allowed-tools: permitted tools for the skill

Example frontmatter pattern:

---
name: skill-name
description: >
  Description of the skill. Use this skill when:
  (1) first use case,
  (2) second use case.
license: MIT
compatibility: Requirements
metadata:
  author: apollographql
  version: "1.0"
allowed-tools: Bash(tool:*) Read Write Edit Glob Grep
---

Validation

Skills should be validated against the Agent Skills specification at https://agentskills.io/specification

Validate locally with gh skill publish --dry-run (or skills-ref validate skills/<name>) before opening a PR.

Adding a New Skill

Create skills/<skill-name>/SKILL.md with proper frontmatter
Add reference files in skills/<skill-name>/references/ as needed
Update README.md to document the new skill (follow existing patterns)
Ensure consistency with existing skills' frontmatter format

Releasing / Versioning

CI's version-check enforces two independent bumps — both must strictly increase or the check fails.

Per-skill: the metadata.version in every skills/<name>/SKILL.md whose content you changed. Each changed skill is checked separately, so if you touch two skills you must bump both. This is the one most often forgotten.
Plugin: .claude-plugin/plugin.json#version is what claude plugin update checks. Bump it whenever you touch skills/, commands/, agents/, hooks/, or plugin.json itself, otherwise existing users won't see the change. New installs always pull the latest content regardless.

Read the full file on GitHub · 73 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.

1mo ago First seen · 73 lines · 705 tokens per session scan B 4f242cdbfa82

Subscribe to this mod's changes

skills AGENTS.md is an instructions file published in the GitHub repository apollographql/skills (120 stars, last pushed today), licensed MIT. It adds 705 tokens to every session, about $0.0028 per session on Opus 5.5. A static security scan graded it B with 1 finding (unrestricted tool access). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Building agents agent-skills apollo graphql

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

skills: Instructions file for Codex