Borrowing it
Nothing to install: this file belongs to permanu/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.
curl -O https://raw.githubusercontent.com/permanu/superskill/main/AGENTS.mdgit clone --depth 1 https://github.com/permanu/superskillWrote 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.
[](https://agentmods.dev/instructions/permanu/superskill/agents-md)<a href="https://agentmods.dev/instructions/permanu/superskill/agents-md"><img src="https://agentmods.dev/badge/instructions/permanu/superskill/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.
<a href="https://agentmods.dev/instructions/permanu/superskill/agents-md"><img src="https://agentmods.dev/badge/instructions/permanu/superskill/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.01267 | $0.01267 |
| Opus 5.5 | $0.00507 | $0.00507 |
| Sonnet 5.5 | $0.00253 | $0.00253 |
| Haiku 4.5 | $0.00127 | $0.00127 |
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 6d 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.
How it starts
The opening of the file, as written. The whole thing — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SuperSkill — AGENTS.md
Project Overview
Universal Agentic Knowledge Base — the superskill CLI and MCP server backed by an Obsidian vault (~/Vaults/ai/) that serves as shared memory for AI coding tools. It routes tasks through curated in-repo packs and deterministic rules. skills.sh is used only by the opt-in third-party skill installer, not by default routing.
Commands
- Build:
npm run build(TypeScript → dist/) - Dev:
npm run dev(build + watch via tsc --watch) - Lint:
npm run lint(type check only:tsc --noEmit) - Test:
npm test(fresh runtime/grammar build, then Vitest) - Focused tests:
npx vitest run <files> --maxWorkers=2(no rebuild; build first for tests that spawn the compiled CLI/MCP) - Coverage:
npm run test:coverage(fresh build and existing coverage thresholds)
Architecture
src/cli.ts— Commander.js CLI entry pointsrc/mcp-server.ts— MCP server (stdio transport)src/commands/— Command modules (pure async functions, shared by CLI + MCP)src/commands/skill/— Skill commands (init, activate, validate, status, index)src/core/— Command infrastructure (registry, types)src/lib/— Library modules (vault-fs, frontmatter, search-engine, etc.)src/lib/graph/— Knowledge graph (schema, store, loader, router, learner)src/lib/skills-sh/— Skills.sh client (client), used by the opt-in installersrc/config.ts— Configuration +resolveProject()utility
Key Patterns
- Unified command interface: Every command takes
(args, ctx: CommandContext)where ctx bundles vaultFs, vaultPath, config, sessionRegistry, and log. - Graph-driven routing: task → router → loader → security gate → content. A per-checkout graph in the gitignored
.superskill/directory records project stack, routed skills, and activation history; default routing uses the curated in-repo catalog. - 3-phase loading: INDEX (project metadata + skill list) → NEIGHBORHOOD (co-activations + recent sessions) → CONTENT (actual SKILL.md files). Each phase is optional and can be skipped.
- Skills.sh is opt-in: only
skill install <owner>/<repo>queries skills.sh (skill list + gen/socket/snyk audits). The default catalog and routing never scrape it —skill initindexes the in-repo catalog. If skills.sh is unreachable, GitHub fallback requires--allow-unauditedand marks the install.unaudited-superskill; empty skills.sh results refuse the fallback. - Dual interface: Every command works via both CLI and MCP. Commands are pure async functions.
- Sandboxed filesystem:
VaultFSenforces path validation, symlink escape detection, traversal rejection. - Lazy singletons: Graph store and the skills.sh client (opt-in installer path) are initialized on first use.
- Atomic operations: Graph writes use tmpfile + rename. Session lockfiles use
O_CREAT | O_EXCL. - Project detection: Auto-detected from CWD via
project-map.jsonand git root. UseresolveProject()helper. - Auto-numbering: ADRs, tasks, learnings use
NNN-<slug>.mdpattern viaauto-number.ts.
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.
- 6d ago Changed · +5 lines · +156 tokens per session 96fc369c5dd5
- 13d ago Changed · -1 lines · +20 tokens per session 64b5e3910433
- 1mo ago First seen · 85 lines · 1,091 tokens per session scan A 50f969aa62ca
superskill AGENTS.md is an instructions file published in the GitHub repository permanu/superskill (18 stars, last pushed 2d ago), licensed Apache-2.0. It adds 1,267 tokens to every session, about $0.0051 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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