aviation-regulations

aviation-regulations is a skill for Claude Code, Codex from deepskyai/agent-tools. It costs 129 tokens per session (1,706 once invoked), scanned A, original, MIT.

A skill for searching aviation rules, manuals, and publications through Deepsky’s open search service. The material covers authorities and topics such as FAA regulations, EASA rules, ICAO guidance, and flight procedures.

In plain words
What is it for?
It searches for applicable regulations or manuals, narrows results by authority and operation type, and returns answers with document references.
Why use it?
Aviation requirements vary by country and operation, so relying on memory can produce unsafe or incorrect answers.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

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 skills/deepskyai/agent-tools/aviation-regulations
Any agent
npx skills add deepskyai/agent-tools --skill aviation-regulations
Clone the repo
git clone --depth 1 https://github.com/deepskyai/agent-tools

Made for: Claude Code, Codex.

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.

agentmods badge for aviation-regulations

README.md
[![agentmods](https://agentmods.dev/badge/skills/deepskyai/agent-tools/aviation-regulations.svg)](https://agentmods.dev/skills/deepskyai/agent-tools/aviation-regulations)
Your own site
<a href="https://agentmods.dev/skills/deepskyai/agent-tools/aviation-regulations"><img src="https://agentmods.dev/badge/skills/deepskyai/agent-tools/aviation-regulations.svg" alt="Measured on agentmods" height="20"></a>
Per session 129 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,706 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 5.1 $0.00129 $0.01706
Opus 5 $0.00064 $0.00853
Sonnet 5 $0.00026 $0.00341
Haiku 4.5 $0.00013 $0.00171

Measured 6d ago against content hash 6317008f9783, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

aviation-regulations scanned grade A with 1 finding 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 6d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/deepsky_search.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

`scripts/deepsky_search.py` is a zero-dependency Python CLI (uses only the stdlib). Prefer it over hand-rolled curl because it prints citations in a form easy to quote back to the user.
skills/aviation-regulations/SKILL.md · 135 lines

How it starts

The opening of the file, as written. The whole thing — 135 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Aviation Regulations (via Deepsky API)

Deepsky (deepskyai.com) publishes an open, no-auth search API over a curated corpus of aviation regulations and manuals (ICAO, FAA 14 CFR, EASA, CASA) plus supporting advisory material. It also exposes standard agent-discovery endpoints (llms.txt, OpenAPI, plugin manifest, skills registry).

Use this skill whenever an aviation regulatory or operational-doc question comes up, instead of guessing from training data. The corpus is authoritative and multi-jurisdictional; training data often isn't.

Core workflow

  1. Formulate a natural-language query. Aviation-specific phrasing works best. Include the jurisdiction (FAA, EASA, CASA, ICAO) and the operation type (Part 91, 121, 135, EDTO, IFR, etc.) when known.
  2. Call POST /api/v1/search (no auth). Prefer scripts/deepsky_search.py — it handles the POST, parses the response, and prints citations.
  3. Cite from heading_path + metadata. Every match includes a breadcrumb (e.g. 14 CFR 135.223) and Country. Always cite these back to the user. Do not paraphrase without the citation.
  4. Broaden or re-query if needed. If the top hits are off-jurisdiction or off-topic, rephrase (add the specific CFR part, MOS, or ICAO annex), or bump matchCount (max 20).
POST https://www.deepskyai.com/api/v1/search
Content-Type: application/json

{"query": "<natural-language question>", "matchCount": 8}
  • query (string, required): natural-language search query
  • matchCount (int, optional, 1–20, default 8): number of matches to return

Response shape:

{
  "query": "...",
  "count": 8,
  "source": "hybrid_search_rpc",
  "matches": [
    {
      "content": "<excerpt from the document>",
      "heading_path": "Part 135 > Subpart D > § 135.223 IFR: Alternate airport requirements. > 14 CFR 135.223",
      "metadata": {
        "Heading Level 1": "...",
        "Heading Level 6": "§ 135.223 IFR: Alternate airport requirements.",
        "Page Numbers": [71, 72],
        "Country": "US"
      },
      "document_id": null,
      "score": null
    }
  ]
}

Read the full file on GitHub · 135 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 6d ago First seen · 135 lines · 129 tokens per session scan A 6317008f9783

Subscribe to this mod's changes

aviation-regulations is a skill published in the GitHub repository deepskyai/agent-tools (1 stars, last pushed 1mo ago), licensed MIT. It adds 129 tokens to every session and 1,706 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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