nbox AGENTS.md

Repository instructions for nbox, a command-line and text-based interface for NetBox, a system for managing data-center equipment, networks, and IP addresses. They define output formats, exit codes, and agent-safe commands.

In plain words
What is it for?
Use them when running nbox searches or other commands, selecting JSON or CSV output, handling errors, or configuring its MCP server.
Why use it?
They help agents produce machine-readable results and avoid opening an interactive screen that could block automated work.

Instructions file for CodexOpenCode

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/lance0/nbox/agents-md
Clone the repo
git clone --depth 1 https://github.com/lance0/nbox

Made for: Codex, OpenCode.

Per session 5,508 This file is loaded in full into every session.
When invoked 5,508 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.

ModelPer sessionOnce invoked
Fable 5 $0.05508 $0.05508
Opus 5 $0.02754 $0.02754
Sonnet 5 $0.01102 $0.01102
Haiku 4.5 $0.00551 $0.00551

Measured 2d ago against content hash a836f2cd4d7a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

nbox 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 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.

AGENTS.md · 261 lines

How it starts

The opening of the file, as written. The whole thing — 261 lines — stays where its author put it; the contents beside it link to each section on GitHub.

nbox for agents

nbox is a CLI + TUI for NetBox (DCIM/IPAM). For programmatic/agent use, drive the CLI subcommands with machine-readable output. The interactive TUI (nbox with no subcommand) is for humans; agents should always pass a subcommand. Pass --no-tui to make that a hard guarantee: any invocation that would launch the TUI (a bare nbox, or nbox tui) refuses with a usage error (exit 2) instead of blocking on a terminal.

Output

  • --json / -o json — JSON to stdout (pretty by default).
  • --raw — compact JSON (one line; pairs with --json).
  • --envelope — wrap as { "schema_version": 1, "data": <payload> } for stable parsing.
  • --fields a,b,c — keep only those top-level fields (per element for arrays).
  • -o csv — CSV for tabular/list results (e.g. search); arrays render as a table. Single objects are rejected (exit 2) — use --json or plain.

stdout carries only the requested data; logs/diagnostics/errors go to stderr.

Exit codes (stable):

Code Meaning
0 success
1 generic error (incl. other API failures)
2 usage error (bad arguments)
3 authentication / permission (HTTP 401/403)
4 not found (no object matched)
5 ambiguous reference (more than one match)

Recommended agent invocation: nbox <cmd> ... --json --envelope (add --raw to minimize tokens, --fields to trim payloads).

Commands

nbox device <name|slug|id>
                                  # optional write subcommand:
  device <name> set status <value> [--message "…"]
                                  #   --dry-run | --allow-writes --confirm
                                  #   (ADR-0001 safe write; read-only default)
nbox ip <address> [--vrf <name|slug|rd>]  # surfaces nat_inside/nat_outside (NetBox 4.6) when set
nbox ip reserve <cidr> [--vrf <name|slug|rd>] [--description "…"] [--dns-name "…"] [--count N]
                                  # write: reserve the next available IP (POST available-ips); --dry-run | --allow-writes --confirm [--message]
                                  # --count N: reserve N IPs atomically (one list-body POST, all-or-nothing); any failure exits 1, nothing created
nbox prefix <cidr> [--vrf <name|slug|rd>]
                                  # optional write subcommand:
  prefix <cidr> reserve [--length L] [--vrf <name|slug|rd>] [--description "…"]
                                  # write: reserve the next available child prefix (POST available-prefixes); --dry-run | --allow-writes --confirm [--message]
nbox next-ip <cidr> [--count N] [--vrf <name|slug|rd>]
nbox next-prefix <cidr> [--length L] [--vrf <name|slug|rd>]
nbox vlan <vid|name> [--site <name|slug>] [--group <name|slug>]
nbox interface <device> <interface>
                                  # optional write subcommand:
  interface <device> <interface> set description "…" [--message "…"]
                                  #   --dry-run | --allow-writes --confirm
                                  #   (ADR-0001 safe write; read-only default)
nbox site <name|slug>
nbox rack <name|id>
nbox rack-group <slug|name|id>      # NetBox 4.6+
nbox circuit <cid|id>                 # JSON: `terminations` (A/Z), each path hop a `device` ref + a `diagram`
nbox virtual-circuit <cid|id>        # JSON: `terminations` (multi-point interface refs); NetBox 4.2+
nbox provider <slug|name|id>
nbox vm-type <slug|name|id>          # NetBox 4.6+
nbox aggregate <cidr|id>
nbox asn <number>
nbox ip-range <start|id>
                                  # optional write subcommand:
  ip-range <start|id> reserve [--description "…"] [--dns-name "…"] [--count N]
                                  # write: reserve the next available IP in an IP range (POST available-ips); --dry-run | --allow-writes --confirm [--message]
                                  # --count N: reserve N IPs atomically (one list-body POST, all-or-nothing); any failure exits 1, nothing created
nbox tenant <slug|name|id>
nbox contact <name|id>
nbox vm <name|id>
nbox cluster <name|id>
nbox vrf <name|rd|id>
nbox route-target <name|id>
nbox mac <addr>                   # any common form (aa:bb:cc:dd:ee:ff, AABB.CCDD.EEFF, …) is normalized; reverse-resolves to the carrying interface(s)/device(s)
nbox search <query> [--limit N] [--status S] [--site <name|slug|id>] [--region <name|slug|id>] [--site-group <name|slug|id>] [--location <name|slug|id>] [--tenant SLUG] [--role SLUG] [--tag SLUG] [--owner <name>] [--owner-group <name>] [--vrf <id|rd|name>] [--cols a,b,c] [--partial]
nbox tags
nbox tagged <tag>               # objects carrying a tag, across kinds (NetBox 4.3+
                                  # `/api/extras/tagged-objects/`); tag = id|name|slug
nbox tag add <type> <name> <tag>  # write: add a tag to any object (PATCH tags array); --dry-run | --allow-writes --confirm [--message]
                                  # <type> = any read kind (device, ip, prefix, vlan, …); <tag> = id|name|slug; no-op if already present
nbox tag remove <type> <name> <tag>  # write: remove a tag from any object (PATCH tags array); same gate as tag add; no-op if already absent
nbox journal <kind> <ref>         # kinds: device, ip, prefix, vlan, site, rack, rack-group, circuit,
                                  # virtual-circuit, aggregate, asn, ip-range, tenant, contact, provider, vm,
                                  # vm-type, cluster, vrf, route-target, mac, interface (<device>/<name>)
nbox history <kind> <ref> [--diff]  # system audit log (create/update/delete, who + when) for an object —
                                  # `/api/core/object-changes/` (NetBox 4.x); distinct from `journal`
                                  # (operator notes). `--diff` shows the full before/after JSON for the
                                  # newest change (implies --limit 1). Same kind set as `journal`.
nbox open <kind>/<ref>
nbox export prometheus-sd (--prefix <cidr> [--vrf <name|slug|rd>] | --tag <slug>) [--port N]
                                  # structured read-only export: Prometheus file-SD JSON, targets grouped by device
nbox export address-list (--prefix <cidr> [--vrf <name|slug|rd>] | --tag <slug>) [--family 4|6] [--summarize] [--format json|plain]
                                  # firewall/blocklist address list (host IPs as /32 or /128, plus tagged prefixes)
nbox export device-inventory [--site <slug>] [--role <slug>] [--tag <slug>] [--status <value>] [--manufacturer <slug>] [--format json|csv]
                                  # one record per device (name/status/role/site/model/serial/primary_ip/tags/…)
nbox raw GET <api-path>          # path with or without /api/, e.g. dcim/devices/?limit=1
nbox status                       # NetBox/Django/Python versions, api routing,
                                  # capabilities, and a token-validity preflight
                                  # (NetBox 4.5+ `/api/authentication-check/`)
nbox completions <bash|zsh|fish|powershell|elvish>

Read the full file on GitHub · 261 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. 2d ago First seen · 261 lines · 5,508 tokens per session scan A a836f2cd4d7a

Subscribe to this mod's changes

nbox AGENTS.md is an instructions file published in the GitHub repository lance0/nbox (11 stars, last pushed 20d ago), licensed Apache-2.0. It adds 5,508 tokens to every session, about $0.0275 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.

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