Liam ERD is a tool that turns database schemas into interactive entity-relationship diagrams, visual maps showing tables and their relationships. It helps people understand and document database structures, including complex schemas.
Borrowing it
Nothing to install: this file belongs to liam-hq/liam. 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/liam-hq/liam/main/AGENTS.mdgit clone --depth 1 https://github.com/liam-hq/liamWrote 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/liam-hq/liam/agents-md)<a href="https://agentmods.dev/instructions/liam-hq/liam/agents-md"><img src="https://agentmods.dev/badge/instructions/liam-hq/liam/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/liam-hq/liam/agents-md"><img src="https://agentmods.dev/badge/instructions/liam-hq/liam/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 | $0.00654 | $0.00654 |
| Opus 5.5 | $0.00262 | $0.00262 |
| Sonnet 5.5 | $0.00131 | $0.00131 |
| Haiku 4.5 | $0.00065 | $0.00065 |
Grade A, and why
liam 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 7d 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 — 45 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Repository Guidelines
Project Structure & Modules
- frontend/apps/*: Next.js apps (e.g.,
@liam-hq/app,@liam-hq/docs). - frontend/packages/*: Shared libraries and tools (e.g.,
schema,erd-core,cli,ui). - frontend/internal-packages/*: Infra and tooling (
e2e,configs,storybook). - assets/: Images and media. docs/: Documentation. scripts/: Repo utilities.
Build, Test, and Development
- Install:
pnpm install - All apps/packages (Turbo):
- Dev:
pnpm dev(or one app:pnpm -F @liam-hq/app dev) - Build:
pnpm build - Test (unit):
pnpm test - E2E (Playwright):
pnpm test:e2e - Coverage:
pnpm test:coverage
- Dev:
- App-only examples:
- Run Next dev:
pnpm -F @liam-hq/app dev:next - Build Next:
pnpm -F @liam-hq/app build
- Run Next dev:
Coding Style & Naming
- Language: TypeScript/TSX; React components in PascalCase (e.g.,
App.tsx); utilities in camelCase (e.g.,mergeSchema.ts). - CSS Modules:
*.module.csswith typed CSS viatyped-css-modules. - Lint/Format: Biome and ESLint. Run
pnpm fmtandpnpm lint. Pre-commit hooks runpnpm lint(seelefthook.yml).
Testing Guidelines
- Unit tests: Vitest. Place near source as
*.test.ts(x)or in__tests__/. - E2E tests: Playwright in
frontend/internal-packages/e2e. - Commands:
pnpm testfor unit,pnpm test:e2efor Playwright,pnpm test:coveragefor V8 coverage.
Commit & Pull Requests
- Commit style: Conventional Commits (e.g.,
feat:,fix:,chore(deps): ...). - Before pushing:
pnpm fmt && pnpm lint && pnpm test. - PRs: clear description, linked issues, screenshots for UI changes, and note any env or migration impacts.
- Versioning: If you change a publishable package, add a changeset:
pnpm changeset.
Security & Configuration
- Environment: use
.env/.env.local(created automatically bypnpm prebuild). Never commit secrets. - Sync Vercel envs (optional):
pnpm vercel:env-pulland link withpnpm vercel:link. - Common vars:
NEXT_PUBLIC_*, Sentry keys, and job runner tokens (seeturbo.jsonenv list).
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.
- 7d ago Changed · -3 tokens per session 6541af24fd35
- 2mo ago First seen · 45 lines · 657 tokens per session scan A efb4b624a887
liam AGENTS.md is an instructions file published in the GitHub repository liam-hq/liam (5,156 stars, last pushed yesterday), licensed Apache-2.0. It adds 654 tokens to every session, about $0.0026 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.
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).
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.
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).
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.
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).
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.