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dc: Instructions file for GitHub Copilot

.github/copilot-instructions.md

dc copilot-instructions.md is an instructions file for GitHub Copilot from dynamitecircle/dc. It costs 300 tokens per session, scanned A, original, MIT.

Project-specific instructions for contributing to dc-py, a single-file Python client for the Dynamite Circle public member API. They define the allowed dependencies, code structure, command style, and API conventions.

In plain words
What is it for?
Use them when adding or modifying Python client behavior, command-line commands, API requests, parsing, or setup instructions in that repository.
Why use it?
They help coding agents make changes that fit the repository’s existing design and do not break its command or response conventions.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file. Also seen: mentions CLAUDE.md.

This is dynamitecircle/dc's own configuration. It tells GitHub Copilot how to work on dc 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 dc configures →

not rated 6repo 25d ago A scan 300 tokens original MIT
View source ↗ dynamitecircle/dc dynamitecircle.com
Reuse

Borrowing it

Nothing to install: this file belongs to dynamitecircle/dc. 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/dynamitecircle/dc/main/.github/copilot-instructions.md
Clone the repo
git clone --depth 1 https://github.com/dynamitecircle/dc

Made for: GitHub Copilot.

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.

agentmods badge for dc copilot-instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/dynamitecircle/dc/copilot-instructions/github.svg)](https://agentmods.dev/instructions/dynamitecircle/dc/copilot-instructions)
Your own site
<a href="https://agentmods.dev/instructions/dynamitecircle/dc/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/dynamitecircle/dc/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.

agentmods 80×15 button for dc copilot-instructions.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/dynamitecircle/dc/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/dynamitecircle/dc/copilot-instructions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 300 This file is loaded in full into every session.
When invoked 300 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 $0.00300 $0.00300
Opus 5.5 $0.00120 $0.00120
Sonnet 5.5 $0.00060 $0.00060
Haiku 4.5 $0.00030 $0.00030

Measured 2mo ago against content hash 6fdb93b7356c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dc 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 2mo 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.

.github/copilot-instructions.md · 27 lines

What it actually says

GitHub Copilot — Project Instructions

This repo ships dc-py — a single-file Python client at py/dc.py that wraps the public DC Member API.

When suggesting code in this repo:

  • Stay stdlib-only — no requests, no httpx, no pydantic. The skill is intentionally zero-dependency.
  • The skill file is the canonical entry point. Do not split it into multiple modules.
  • Two-class pattern: DC is the public wrapper, _DCCore is the private helper with all HTTP and parsing logic. Keep new commands in this same shape.
  • Register CLI commands with @skill_command(name=, help=, parser=). Don't introduce new decorators or modes.
  • Space-form CLI flags (--limit 10, not --limit=10).
  • All list-returning commands return the envelope {items, count, cursor, has_more} — use the _wrap_list helper.
  • API base URL: https://api.dynamitecircle.com. Auth header: Authorization: Bearer dk_<api-key>.
  • Env config lives in py/.env.dc (skill-local).

For the user-facing setup instructions, see ../CLAUDE.md and ../py/SKILL.md.

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. 2mo ago First seen · 27 lines · 300 tokens per session scan A 6fdb93b7356c

Subscribe to this mod's changes

dc copilot-instructions.md is an instructions file published in the GitHub repository dynamitecircle/dc (6 stars, last pushed 25d ago), licensed MIT. It adds 300 tokens to every session, about $0.0012 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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