aosp-connectivity

aosp-connectivity is a skill for Claude Code, Codex from aospbooks/aosp-internal-book. It costs 173 tokens per session (599 once invoked), scanned A, original, Apache-2.0.

A reference guide to Android Open Source Project connectivity systems, including networking, phone service, Bluetooth, NFC, and USB or ADB. AOSP is the publicly available source code that forms the basis of Android.

In plain words
What is it for?
Use it when tracing Wi-Fi, DNS, VPN, tethering, cellular calls, Bluetooth, NFC, USB, or ADB behavior in Android source code.
Why use it?
These Android subsystems span many layers and use specialized names. The guide helps identify the relevant implementation area and supporting components.

Skill for Claude CodeCodex

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

Good fit Use it when tracing Wi-Fi, DNS, VPN, tethering, cellular calls, Bluetooth, NFC, USB, or ADB behavior in Android source code.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/aospbooks/aosp-internal-book/connectivity
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.

Any agent
npx skills add aospbooks/aosp-internal-book --skill connectivity
Clone the repo
git clone --depth 1 https://github.com/aospbooks/aosp-internal-book

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 aosp-connectivity

README.md
[![agentmods](https://agentmods.dev/badge/skills/aospbooks/aosp-internal-book/connectivity/github.svg)](https://agentmods.dev/skills/aospbooks/aosp-internal-book/connectivity)
Your own site
<a href="https://agentmods.dev/skills/aospbooks/aosp-internal-book/connectivity"><img src="https://agentmods.dev/badge/skills/aospbooks/aosp-internal-book/connectivity/github.svg" alt="Measured on agentmods" height="20"></a>

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.

agentmods 80×15 button for aosp-connectivity

Your own site · 80×15
<a href="https://agentmods.dev/skills/aospbooks/aosp-internal-book/connectivity"><img src="https://agentmods.dev/badge/skills/aospbooks/aosp-internal-book/connectivity.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 173 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 599 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00173 $0.00599
Opus 5 $0.00086 $0.00300
Sonnet 5 $0.00035 $0.00120
Haiku 4.5 $0.00017 $0.00060

Measured 9d ago against content hash 85c518036971, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

aosp-connectivity 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 9d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

agents/_content/parts/connectivity/SKILL.md · 39 lines

What it actually says

AOSP Part VIII — Connectivity

The radios, transports, and IPC stacks that move bits off the device: Wi-Fi, cellular, Bluetooth, NFC, and USB/ADB.

Chapters in this Part

  • 35-networking.md — ConnectivityService, Wi-Fi framework, netd, DNS resolver, VPN, tethering, NetworkSecurityConfig, VCN, Thread mesh
  • 36-telephony.md — TelephonyManager, PhoneInterfaceManager, RIL/RILD, modem AIDL, IMS framework, emergency calling, call routing
  • 37-bluetooth.md — Bluetooth Mainline module, BTA layer, GATT, A2DP/HFP/AVDTP, LE Audio, pairing, scanning, advertising
  • 38-nfc.md — NfcAdapter/NfcService, NCI, tag dispatch, HCE, secure element, reader mode, NFC-F (FeliCa) and NFC-V
  • 39-usb-adb.md — USB gadget framework, host-mode USB, MTP/PTP, RNDIS tethering, adb daemon, adb over Wi-Fi, transports

When to load which chapter

  • Question mentions ConnectivityService, Wi-Fi, netd, DNS, VPN, tethering, VCN, Thread → 35-networking.md
  • Question mentions Telephony, modem, RIL, IMS, emergency call → 36-telephony.md
  • Question mentions Bluetooth, BTA, GATT, A2DP, HFP, LE Audio, pairing → 37-bluetooth.md
  • Question mentions NFC, NCI, HCE, tag dispatch, secure element → 38-nfc.md
  • Question mentions USB gadget, MTP, RNDIS, adb, adb over Wi-Fi → 39-usb-adb.md
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. 9d ago First seen · 39 lines · 173 tokens per session scan A 85c518036971

Subscribe to this mod's changes

aosp-connectivity is a skill published in the GitHub repository aospbooks/aosp-internal-book (131 stars, last pushed 10d ago), licensed Apache-2.0. It adds 173 tokens to every session and 599 once invoked, about $0.0009 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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