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.
npx agentmods add instructions/agentregistry-dev/agentregistry/copilot-instructionsgit clone --depth 1 https://github.com/agentregistry-dev/agentregistryWhat 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 | $0.00290 | $0.00290 |
| Opus 5 | $0.00145 | $0.00145 |
| Sonnet 5 | $0.00058 | $0.00058 |
| Haiku 4.5 | $0.00029 | $0.00029 |
Grade A, and why
agentregistry 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 2d 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.
What it actually says
GitHub Copilot Instructions
Read and follow AGENTS.md for repo-local coding and workflow guidance.
Before creating or updating a pull request, review the PR authoring rules in AGENTS.md and follow .github/PULL_REQUEST_TEMPLATE.md.
Keeping the PR Description Up-to-Date
The report_progress tool is the only way to update an existing PR's description. The create_pull_request tool only works when no PR exists yet — it cannot edit the body of an existing PR.
Whenever you make meaningful progress on a task:
- Call
report_progresswith an accurateprDescriptionthat follows.github/PULL_REQUEST_TEMPLATE.md. - Use the exact top-level headings from the template:
# Description,# Change Type,# Changelog. The CI labeler enforces a# Descriptionsection (single#) and will fail if##headings are used or the section is missing. - Populate every required section of the template (Description, Change Type, Changelog).
- Do not consider the task complete until the PR description has been updated via
report_progress.
Important: The
prDescriptionyou pass toreport_progressbecomes the literal GitHub PR body. Always start it with# Description(not## Description) so the CI labeler can find the required section.
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.
- 2d ago First seen · 18 lines · 290 tokens per session scan A b724f17c016a
agentregistry copilot-instructions.md is an instructions file published in the GitHub repository agentregistry-dev/agentregistry (478 stars, last pushed 4d ago), licensed Apache-2.0. It adds 290 tokens to every session, about $0.0014 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 2026-08-30.
Other instructions, from other repositories
agents AGENTS.md
Instructions for astronomer/agents, covering claude code plugin development, plugin structure, installing the plugin, add the marketplace (from repo root) and install the plugin.
loom CLAUDE.md
Instructions for cosmix/loom, covering claude.md, project overview, build commands, architecture and source layout (loom/src/).
copilot AGENTS.md
Instructions for navikt/copilot, covering agents.md for navikt/copilot, what this repo is, efficiency rule, standard commands and conventions.
autovault CLAUDE.md
Instructions for autoworks-ai/autovault, covering claude.md, project, common commands, architecture and request flow.
skills AGENTS.md
Instructions for tomimor/skills, covering agents.md, repo structure, adding a new own skill, own skill conventions and adding a new vendor skill set.
skilly AGENTS.md
AGENTS.md instructions for xelandernt/skilly, covering agents.md, 1. think before coding, 2. simplicity first, 3. surgical changes and 4. goal-driven execution.