Borrowing it
Nothing to install: this file belongs to proompteng/bilig. 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/proompteng/bilig/main/.github/copilot-instructions.mdgit clone --depth 1 https://github.com/proompteng/biligWrote 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/proompteng/bilig/copilot-instructions)<a href="https://agentmods.dev/instructions/proompteng/bilig/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/proompteng/bilig/copilot-instructions/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/proompteng/bilig/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/proompteng/bilig/copilot-instructions.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 | $0.01860 | $0.01860 |
| Opus 5.5 | $0.00744 | $0.00744 |
| Sonnet 5.5 | $0.00372 | $0.00372 |
| Haiku 4.5 | $0.00186 | $0.00186 |
Grade A, and why
bilig copilot-instructions.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 25d 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 — 107 lines — stays where its author put it; the contents beside it link to each section on GitHub.
bilig Copilot instructions
Toolchain and commands
- Use Node
24.11.1locally via.nvmrc/.node-version. WorkPaper runtime packages require Node24+.pnpm 10.32.1remains required. - Activate the pinned runtime before running
pnpmcommands (nvm usein a normal shell, or let your version manager honor.node-versionautomatically). - Install dependencies with
pnpm install. - Start the default app shell with
pnpm dev(apps/web). - Other dev entrypoints:
pnpm dev:webpnpm dev:localpnpm dev:sync
- Build the workspace with
pnpm build. - Rebuild the AssemblyScript/WASM fast path with
pnpm wasm:build. - Lint with
pnpm lint. - Auto-fix lint issues with
pnpm lint:fix. - Type-check the composite TypeScript workspace with
pnpm typecheck. - Run the full Vitest suite with
pnpm test. - Run one Vitest file with
pnpm exec vitest --run packages/core/src/__tests__/engine.test.ts. - Run one Vitest test by name with
pnpm exec vitest --run packages/core/src/__tests__/engine.test.ts -t "recalculates simple formulas". - Run browser smoke tests with
pnpm test:browser. - Run the web-shell Playwright suite with
pnpm exec playwright test e2e/tests/web-shell.pw.ts --config playwright.config.ts. - Run the full repository gate with
pnpm run ci. - Use
teafor Forgejo workflow checks and logs (for exampletea login ls,tea actions ls, andtea actions jobs --run <id>).
High-level architecture
- This repo is a pnpm monorepo with thin
apps/*shells over reusablepackages/*. packages/coreis the framework-agnostic spreadsheet engine. It owns workbook state, storage, dependency scheduling, snapshots, selectors, events, sync state, and execution routing.packages/formulaowns A1 addressing, lexer/parser, binding, optimization, translation, compatibility, and the JS evaluator.packages/wasm-kernelis the AssemblyScript/WASM numeric fast path.packages/coredecides when formulas stay on the JS path versus the WASM path.packages/crdt,packages/binary-protocol,packages/worker-transport,packages/agent-api, andpackages/storage-servermake up the local-first sync and transport stack used by the browser and server runtimes.packages/gridis the reusable React spreadsheet UI: selection, editing, metrics, inspectors, and workbook/grid views.apps/webis the thin React/Vite shell around the shared workbook surface. Shared behavior should usually live inpackages/grid, not inside app folders.apps/local-serverhosts local workbook sessions and emits committed frames over websocket.apps/sync-serveris the remote sync/backend service surface.- When you need the architectural contracts, start with
docs/architecture.md,docs/reconciler-layering.md,docs/local-first-realtime-loop.md,docs/public-api.md, anddocs/testing-and-benchmarks.md.
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.
- 25d ago Changed · -1 lines · -35 tokens per session 2005884d63f5
- 2mo ago First seen · 108 lines · 1,895 tokens per session scan A 38da8544e4bd
bilig copilot-instructions.md is an instructions file published in the GitHub repository proompteng/bilig (35 stars, last pushed 3d ago), licensed MIT. It adds 1,860 tokens to every session, about $0.0074 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.
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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.
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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.