radio-sdr

radio-sdr is a skill for Claude Code, Codex from Saprophytic-seattle561/reverse-skill. It costs 34 tokens per session (416 once invoked), scanned A, a copy of radio-sdr, MIT.

A workflow for authorized research on radio signals and wireless protocols outside ordinary Wi-Fi. Software-defined radio, or SDR, uses hardware and software to receive and analyze radio transmissions.

In plain words
What is it for?
It is for analyzing remote controls, sensors, aircraft broadcasts, and other non-Wi-Fi signals, mainly by receiving and decoding them in a lab.
Why use it?
It provides a controlled process for identifying signals and judging whether wireless controls can be replayed or misused.

Skill for Claude CodeCodex

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

Good fit It is for analyzing remote controls, sensors, aircraft broadcasts, and other non-Wi-Fi signals, mainly by receiving and decoding them in a lab.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/saprophytic-seattle561/reverse-skill/radio-sdr
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 Saprophytic-seattle561/reverse-skill --skill radio-sdr
Clone the repo
git clone --depth 1 https://github.com/Saprophytic-seattle561/reverse-skill

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 radio-sdr

README.md
[![agentmods](https://agentmods.dev/badge/skills/saprophytic-seattle561/reverse-skill/radio-sdr/github.svg)](https://agentmods.dev/skills/saprophytic-seattle561/reverse-skill/radio-sdr)
Your own site
<a href="https://agentmods.dev/skills/saprophytic-seattle561/reverse-skill/radio-sdr"><img src="https://agentmods.dev/badge/skills/saprophytic-seattle561/reverse-skill/radio-sdr/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 radio-sdr

Your own site · 80×15
<a href="https://agentmods.dev/skills/saprophytic-seattle561/reverse-skill/radio-sdr"><img src="https://agentmods.dev/badge/skills/saprophytic-seattle561/reverse-skill/radio-sdr.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 34 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 416 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.
Origin 100% copy Near-identical to another mod 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 $0.00034 $0.00416
Opus 5 $0.00017 $0.00208
Sonnet 5 $0.00007 $0.00083
Haiku 4.5 $0.00003 $0.00042

Measured 6d ago against content hash 2bd539bcea3c, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

radio-sdr 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 6d 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

This is a copy

100% identical to radio-sdr — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/radio-sdr/SKILL.md · 51 lines

What it actually says

RF / SDR Security Research

ACTION REQUIRED(读完后立刻执行)

  1. NOW: 频谱与发射受法律严格管制;仅授权频段/屏蔽室/实验目标
  2. NOW: scope 写明设备、频段、是否允许发射(默认只收)
  3. ACT: 只接收识别 → 解调分析 → 实验室复现评估

适用场景

  • 无线遥控/传感器等非 Wi-Fi RF(授权)
  • ADS-B/遥控等协议研究(合法接收)
  • 与 wifi-wireless 分工:本 skill 偏 SDR 通用 RF;Wi-Fi 攻防走 R29

工作流

□ 法规与许可确认
□ 只收:识别中心频率与调制
□ GNU Radio / URH 分析
□ 重放仅屏蔽室且书面允许
□ 结论侧重:是否可未授权控制 / 加固建议

工具链

工具 用途
RTL-SDR / HackRF(合规) 收发硬件
URH / GNU Radio 分析
Inspectrum 信号

参考

  • references/sdr-lab-rules.md
  • ../wifi-wireless/ ../ot-ics/ ../hardware-security/

路由上下文

上游: MASTER R38
MUST NOT: 干扰公共通信、未授权发射

任务完成自检

  • 是否默认只收并记录法规边界?
  • Checklist?
Files

What ships with it

1 file 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 · 51 lines · 34 tokens per session scan A 2bd539bcea3c

Subscribe to this mod's changes

radio-sdr is a skill published in the GitHub repository Saprophytic-seattle561/reverse-skill (1 stars, last pushed today), licensed MIT. It adds 34 tokens to every session and 416 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to radio-sdr, differing in 0 lines, and is treated as a copy.

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