What is open-agent-kit copilot-instructions.md?

Contributor instructions for open-agent-kit, with the project's constitution as the final source of truth. They describe the required workflow, coding rules, and quality checks.

Use them when changing open-agent-kit: read the constitution, find a matching implementation, follow its rules, run `make check`, and update affected documentation.

They tell coding agents where authoritative project decisions live and what must happen before a change is considered complete.

open-agent-kit copilot-instructions.md — Instructions file for GitHub Copilot by goondocks-co: Contributor instructions for open-agent-kit,

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add instructions/goondocks-co/open-agent-kit/copilot-instructions

Clone the repo

git clone --depth 1 https://github.com/goondocks-co/open-agent-kit

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/goondocks-co/open-agent-kit/copilot-instructions.svg)](https://agentmods.dev/instructions/goondocks-co/open-agent-kit/copilot-instructions)

Your own site

<a href="https://agentmods.dev/instructions/goondocks-co/open-agent-kit/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/goondocks-co/open-agent-kit/copilot-instructions.svg" alt="Measured on agentmods" height="20"></a>

Per session 762 This file is loaded in full into every session.

When invoked 762 The same file — it is already loaded in full.

Security scan A 0 findings. Scan, not verified.

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.

Model	Per session	Once invoked
Fable 5	$0.00762	$0.00762
Opus 5	$0.00381	$0.00381
Sonnet 5	$0.00152	$0.00152
Haiku 4.5	$0.00076	$0.00076

Measured 4d ago against content hash f2fab29b89cb, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

open-agent-kit 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 4d 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.

Origin

Copies of this mod

3 near-identical copies found in the catalogue:

open-agent-kit CLAUDE.md — 88% identical, 16 lines differ
open-agent-kit GEMINI.md — 84% identical, 24 lines differ
open-agent-kit AGENTS.md — 84% identical, 24 lines differ

.github/copilot-instructions.md · 74 lines

How it starts

The opening of the file, as written. The whole thing — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Instructions for AI Contributors

You are an AI coding agent working in this repository.

Source of truth (hard rules)

Read and follow oak/constitution.md. It is the authoritative specification for architecture, conventions, golden paths, and quality gates.

If anything conflicts with oak/constitution.md, oak/constitution.md wins.
If you are unsure how to apply a rule, stop and ask rather than guessing.
The canonical Anchor Index lives in oak/constitution.md.

Required workflow

Read oak/constitution.md (especially the golden paths + hard rules + DoD).
Search first: find the closest existing implementation and mirror it (use the Top Anchors below).
Implement the change following the constitution.
Run the quality gate: make check (must pass).
Update docs to prevent drift:
- Review/update README if behavior/workflows changed.
- Update the relevant feature docs (or create them) when touching feature behavior.
If a better pattern is needed:
- Record the decision (RFC for formal, doc for informal) and update rules/docs so the new pattern becomes standard.

Non-negotiables

No magic strings or numbers anywhere (including tests).
Prefer proper engineering over shortcuts; fix root causes, not symptoms.
Commands should be idempotent by default.
Templates shipped by OAK are managed by OAK and overwritten on upgrade (no user overrides).
Narrow lanes for deviation; when unclear, ask.

Top Anchors (shorthand)

These are the first places to look. The full Anchor Index is in oak/constitution.md.

Add a New Feature (vertical slice exemplar)

src/open_agent_kit/features/strategic_planning/manifest.yaml
src/open_agent_kit/features/strategic_planning/rfc.py
src/open_agent_kit/features/strategic_planning/commands/
src/open_agent_kit/features/strategic_planning/templates/

Add a New Agent

src/open_agent_kit/agents/gemini/manifest.yaml
src/open_agent_kit/services/agent_service.py
src/open_agent_kit/constants.py

Read the full file on GitHub · 74 lines

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.

4d ago First seen · 74 lines · 762 tokens per session scan A f2fab29b89cb

Subscribe to this mod's changes

open-agent-kit copilot-instructions.md is an instructions file published in the GitHub repository goondocks-co/open-agent-kit (10 stars, last pushed 1mo ago), licensed MIT. It adds 762 tokens to every session, about $0.0038 per session on Opus 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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