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superskill: Instructions file for Codex

AGENTS.md

superskill AGENTS.md is an instructions file for Codex, OpenCode from gobing-ai/superskill. It costs 2,783 tokens per session, scanned A, original, Apache-2.0.

Project instructions for Superskill, a Bun and TypeScript command-line project organised as a monorepo. A monorepo keeps multiple related applications and reusable packages in one repository.

In plain words
What is it for?
Navigating the workspace, following Biome formatting rules, updating context indexes after file changes, and recording bug fixes and lessons.
Why use it?
They point the agent to indexed project context, conventions and known pitfalls before it edits code.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions CLAUDE.md; mentions Claude Code; mentions AGENTS.md.

This is gobing-ai/superskill's own configuration. It tells Codex and OpenCode how to work on superskill 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 superskill configures →

not rated 5repo changed 8d ago A scan 2,783 tokens original Apache-2.0
View source ↗ gobing-ai/superskill
Reuse

Borrowing it

Nothing to install: this file belongs to gobing-ai/superskill. 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/gobing-ai/superskill/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/gobing-ai/superskill

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.

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README.md
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Your own site
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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.

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Per session 2,783 This file is loaded in full into every session.
When invoked 2,783 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 $0.02783 $0.02783
Opus 5.5 $0.01113 $0.01113
Sonnet 5.5 $0.00557 $0.00557
Haiku 4.5 $0.00278 $0.00278

Measured 8d ago against content hash 22d3232b8935, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

superskill 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 8d 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 · 142 lines

How it starts

The opening of the file, as written. The whole thing — 142 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Guidance for AI coding agents working in this repository. CLAUDE.md and GEMINI.md symlink here.

Indexed context

.spur/context/ (gitignored) via sp:indexed-context:

  1. anatomy.md — file one-liners + token estimates. Check before reading files.
  2. learnings.md — conventions / decisions / user preferences. Check before generating code.
  3. pitfalls.md — dated do-not-repeat entries. Check before touching an area with history.
  4. buglog.md — structured bug patterns (error, root cause, fix, tags).
  5. memory.md — session log; append at milestones (| HH:MM | description | file(s) | outcome | ~tokens |).
  6. token-ledger.jsonl — auto (hooks); never hand-edit.

After creating, deleting, or renaming files: update anatomy.md. After fixing a bug: append to buglog.md (and pitfalls.md if it is a do-not-repeat lesson). Absent context dir: continue; do not block.

Project

Bun + TypeScript + Biome CLI built on Commander, with shared workspace packages. Turborepo + Bun-workspaces layout:

apps/
  cli/          # Commander-based CLI entry (the binary); imports @gobing-ai/superskill-core
packages/
  core/         # reusable domain logic and no-app operation APIs
plugins/
  cc/           # bundled Claude Code plugin (skills, commands, agents, hooks, scripts)
skills/         # top-level skill directories (distribution artifacts)
tooling/
  typescript/   # shared tsconfig presets
vendors/        # reference-only copies of upstream agent source code
turbo.json      # Turborepo task graph

Workspaces reference each other by the project scope (@<scope>/*), set during bun run setup from the root package.json name.

  • Runtime / package manager / test runner: Bun 1.4.3. Prefer bun:* APIs over node:* unless Bun lacks the API.
  • Lint + format: Biome 2.5.15. No ESLint, no Prettier.
  • Build orchestration: Turborepo ^2.9.
  • Tool versions: pinned in .prototools via proto. Run proto use to install.
  • Git hooks: Lefthook. Conventional commits: cocogitto (cog).

Read the full file on GitHub · 142 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. 8d ago Changed · +5 tokens per session 22d3232b8935
  2. 15d ago Changed 2c24e7fe66d4
  3. 16d ago Changed · +1 lines · +16 tokens per session 587f5c45f25e
  4. 29d ago Changed · +14 tokens per session c48bfc81867d
  5. 1mo ago Changed · +1 lines · +67 tokens per session 264822bc9e67
  6. 1mo ago First seen · 140 lines · 2,681 tokens per session scan A 82fee2ac2ce3

Subscribe to this mod's changes

superskill AGENTS.md is an instructions file published in the GitHub repository gobing-ai/superskill (5 stars, last pushed 8d ago), licensed Apache-2.0. It adds 2,783 tokens to every session, about $0.0111 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 2026-08-31.

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