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 agents/filipnowakowicz/nixos-config/global-developmentgit clone --depth 1 https://github.com/FilipNowakowicz/nixos-configWrote 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/agents/filipnowakowicz/nixos-config/global-development)<a href="https://agentmods.dev/agents/filipnowakowicz/nixos-config/global-development"><img src="https://agentmods.dev/badge/agents/filipnowakowicz/nixos-config/global-development.svg" alt="Measured on agentmods" 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 | $0.00000 | $0.00402 |
| Opus 5 | $0.00000 | $0.00201 |
| Sonnet 5 | $0.00000 | $0.00080 |
| Haiku 4.5 | $0.00000 | $0.00040 |
Grade A, and why
global-development 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.
What it actually says
Global development preferences
Git commits
Do not add Co-Authored-By, agent-session, or tool-attribution trailers to
commit messages. Do not mention Claude, Anthropic, Codex, OpenAI, Gemini, or
other agent tooling in commit messages, PR descriptions, or PR bodies. Commits
should show only the human author unless repository-specific instructions say
otherwise.
Python projects
Unless a repository explicitly declares a different workflow, use uv for
Python interpreter, environment, dependency, tool, and command management:
- Use
uv syncto create or update the project.venvfrompyproject.tomland its lockfile. - Use
uv run <command>for Python, tests, scripts, formatters, linters, and other project commands. Do not require manual virtualenv activation. - Use a uv-managed Python interpreter. Do not build a project environment from
whichever global
pythonorpiphappens to be onPATH. - Keep project dependency metadata portable.
pyproject.toml,uv.lock, and an optional.python-versionare cross-platform Python files; keep.venv/ignored. - Do not add
flake.nix,shell.nix,.envrc, or ad-hocnix-shell/nix developcommands solely to supply Python dependencies. NixOS runtime compatibility belongs in~/nix, not in otherwise portable Python repos. - Do not silently migrate a repository that intentionally uses Poetry, Conda, a project-local Nix shell, or another documented workflow. Repository-local instructions and existing project policy take precedence.
If a native Python wheel fails to load on NixOS, diagnose the missing shared
library and fix the centralized nix-ld/workstation configuration when
appropriate instead of adding machine-specific linker paths to the project.
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.
- 5d ago First seen · 35 lines · 0 tokens per session scan A 3c9466475d8c
global-development is an agent published in the GitHub repository FilipNowakowicz/nixos-config (5 stars, last pushed yesterday), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 402 tokens. 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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