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copilot: Instructions file for Codex

AGENTS.md

copilot AGENTS.md is an instructions file for Codex, OpenCode from navikt/copilot. It costs 2,057 tokens per session, scanned A, original, MIT.

A set of instructions for coding agents working in navikt/copilot, a monorepo containing several related applications and services. A monorepo keeps multiple projects in one repository, and these instructions explain its structure, commands, and conventions.

In plain words
What is it for?
Use it when working in the repository, locating its web apps and Go services, running checks, tests, builds, or making changes that affect one or several projects.
Why use it?
It gives agents the repository context and standard checks they need, while encouraging small, focused changes and avoiding unnecessary terminal output.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md; mentions OpenCode.

This is navikt/copilot's own configuration. It tells Codex and OpenCode how to work on copilot 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 copilot configures →

not rated 56repo +1 changed 5d ago A scan 2,057 tokens original MIT
View source ↗ navikt/copilot ki-utvikling.nav.no
Reuse

Borrowing it

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

Made for: Codex, OpenCode.

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.

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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.

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Per session 2,057 This file is loaded in full into every session.
When invoked 2,057 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 $0.02057 $0.02057
Opus 5.5 $0.00823 $0.00823
Sonnet 5.5 $0.00411 $0.00411
Haiku 4.5 $0.00206 $0.00206

Measured 5d ago against content hash 33f8bf41371f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

copilot 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 5d 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.

AGENTS.md · 159 lines

How it starts

The opening of the file, as written. The whole thing — 159 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md for navikt/copilot

Minimal guide for agents working in this repository.

What this repo is

Monorepo for Nav's Copilot ecosystem:

  • apps/my-copilot (Next.js/TypeScript web app)
  • apps/copilot-api (Go backend API)
  • apps/copilot-cli (Go CLI gateway for nav-pilot)
  • apps/copilot-survey (Go survey backend)
  • apps/copilot-metrics (Go metrics job)
  • apps/copilot-adoption (Go adoption scan job)
  • apps/mcp-onboarding (Go MCP reference server)
  • apps/mcp-registry (Go MCP registry API)
  • cli/nav-pilot (Go developer CLI)

SECURITY.md has the security model and trust boundaries.

Efficiency rule

Keep tool output small. Run targeted commands, do not dump whole files or full build logs into context, and reach for deterministic tools (rg, git, gh) before asking the model to guess.

rtk is an optional CLI proxy that filters terminal output before it reaches the model. Use it if you want to (rtk git status). Nothing here requires or assumes it, and public controlled measurement has not reproduced its advertised savings (JetBrains study).

Standard commands

From repo root:

mise check
mise test
mise build
mise all

After editing an app, run mise check in that app's directory. Run mise all when the change reaches across the repo.

Conventions

  • PR bodies may be in Norwegian, but issue-closing references must use GitHub's English keywords: Closes #NNN / Fixes #NNN. Lukker #NNN does not link or auto-close anything, and three months of shipped-but-open issues in this repo trace back to exactly that. Verify with the PR's closingIssuesReferences when it matters.

  • Issue titles use <scope>: <short description> (nav-pilot:, my-copilot:, copilot-api:, copilot-survey:, copilot-metrics:, copilot-adoption:, mcp-onboarding:, mcp-registry:, kostnadsinnsikt:, verdi:, dispatch:, benchmark:, harness:, observability:, security:, or PRD:). Leave Conventional Commit prefixes (feat:, fix:, chore:) for commits and PRs; issue type belongs in labels. Write issues in Norwegian (following apps/my-copilot/ORDBOK.md) or English, and do not mix languages within the same issue.

Read the full file on GitHub · 159 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.

  1. 5d ago Changed · +6 lines · +108 tokens per session 33f8bf41371f
  2. 9d ago Changed · +19 lines · +367 tokens per session 9e9c772660a2
  3. 25d ago Changed · +3 lines · +48 tokens per session ced5ac31b0fa
  4. 26d ago Changed · +3 lines · +66 tokens per session dc9b0e4f6e3f
  5. 27d ago Changed · +8 lines · +146 tokens per session b7f9ac8033c6
  6. 1mo ago Changed · +7 lines · +112 tokens per session 271c741276dd
  7. 1mo ago Changed · +5 lines · +62 tokens per session b67ec9370c24
  8. 1mo ago Changed · +39 lines · +428 tokens per session 302a9770fe42
  9. 1mo ago Changed · +26 lines · +355 tokens per session e83d66d16de3
  10. 1mo ago First seen · 43 lines · 365 tokens per session scan A 42f0b85b696d

Subscribe to this mod's changes

copilot AGENTS.md is an instructions file published in the GitHub repository navikt/copilot (56 stars, last pushed today), licensed MIT. It adds 2,057 tokens to every session, about $0.0082 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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