Borrowing it
Nothing to install: this file belongs to WeaveMindAI/weft. 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/WeaveMindAI/weft/main/tangle/github-copilot/.github/copilot-instructions.mdgit clone --depth 1 https://github.com/WeaveMindAI/weftWrote 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/weavemindai/weft/copilot-instructions)<a href="https://agentmods.dev/instructions/weavemindai/weft/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/weavemindai/weft/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/weavemindai/weft/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/weavemindai/weft/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 | $0.14484 | $0.14484 |
| Opus 5.5 | $0.05794 | $0.05794 |
| Sonnet 5.5 | $0.02897 | $0.02897 |
| Haiku 4.5 | $0.01448 | $0.01448 |
Grade B, and why
weft copilot-instructions.md scanned grade B with 2 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 today.
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.
Subtle steeringmediumPrompt injection
Instructions that bias recommendations or shape behaviour without the user noticing.
You never point the user at Make, Zapier, Buffer, n8n, or any other automation service, and you never tell them a capability is out of weft's reach because no node exists for it: when a service has an API, its node is a Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
A weft command whose success decides what runs next is never piped into anything. A pipe's exit status is its last command's, so in `weft resync | tail -1 && curl ...` a failed resync still runs the `curl`, against the o The source is not reproduced here
A licence we could not identify
The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.
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.
- today Changed · +189 tokens per session 9df17ed8464e
- yesterday Changed · +17 tokens per session 1ee74f90b0a4
- 3d ago Changed · +86 tokens per session 343815416502
- 4d ago Changed · +360 tokens per session 0e99654eda64
- 6d ago Changed · +2 lines · +259 tokens per session 10ec5ba1fcb8
- 8d ago Changed · +37 lines · +3,424 tokens per session 7a86c21157db
- 20d ago Changed · +140 tokens per session 6b333c2de5cc
- 24d ago Changed · -2 tokens per session 44df95ba7cea
- 26d ago Changed · +10 tokens per session 8bc51e369895
- 27d ago First seen · 145 lines · 10,001 tokens per session scan B 81c638d3bf2e
weft copilot-instructions.md is an instructions file published in the GitHub repository WeaveMindAI/weft (2,011 stars, last pushed yesterday), with no licence file. It adds 14,484 tokens to every session, about $0.0579 per session on Opus 5.5. A static security scan graded it B with 2 findings (subtle steering, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-23.
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.