agent-reach

agent-reach is a skill for Claude Code, Codex from noahneancy-byte/netreach. It costs 278 tokens per session (1,048 once invoked), scanned A, original, MIT.

A skill for reaching online sources through several search and platform-specific tools. It covers web pages, GitHub, video subtitles, RSS feeds, and selected discussion platforms.

In plain words
What is it for?
It helps research topics, read web pages and RSS feeds, search GitHub, retrieve YouTube or Bilibili subtitles, and inspect V2EX discussions.
Why use it?
It gives an agent a defined way to search the internet and retrieve information from supported platforms without inventing a separate method for each one.

Skill for Claude CodeCodex

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/noahneancy-byte/netreach/skill
Any agent
npx skills add noahneancy-byte/netreach --skill skill
Clone the repo
git clone --depth 1 https://github.com/noahneancy-byte/netreach

Made for: Claude Code, Codex.

Per session 278 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,048 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 $0.00278 $0.01048
Opus 5 $0.00139 $0.00524
Sonnet 5 $0.00056 $0.00210
Haiku 4.5 $0.00028 $0.00105

Measured 3d ago against content hash 8fe61aa945b0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

agent-reach 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 3d 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.

Makes network callslowCapability

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

curl -s "https://r.jina.ai/URL"
agent_reach/skill/SKILL.md · 89 lines

What it actually says

NetReach — 互联网能力路由器(no-login 版)

7 个零配置平台、多后端。本 skill 存在时必须用它访问这些平台,不要自己发明方案。

常驻规则(全程适用)

  1. 动手前先体检:多后端平台(B站)先跑 agent-reach doctor --jsonactive_backend 有值时按它选命令组;active_backend: null 表示 Doctor 没有做 实时验证,不代表后端不存在。只有用户任务明确需要该平台时,才按对应 reference 的 只读命令手动验证。
  2. 声明你在用什么:开始干活前说一句「使用 agent-reach 的 X 平台 / Y 后端」。
  3. 失败按 references 里的重试链处理,不要瞎猜命令。
  4. 全网调研类任务:组合多平台(Exa 搜索 + GitHub/V2EX 看讨论 + B站看中文场景),并行收集再汇总。

路由表

用户意图 分类 详细文档
网页搜索/全网搜索 search references/search.md
网页/文章/RSS/V2EX web references/web.md
GitHub/代码 dev references/dev.md
YouTube/B站视频字幕 video references/video.md

零配置快速命令

# Exa 全网搜索
mcporter call exa.web_search_exa query="query" numResults=5

# 通用网页阅读
curl -s "https://r.jina.ai/URL"

# GitHub 搜索
gh search repos "query" --sort stars --limit 10

# YouTube 字幕(注意:B站不要用 yt-dlp,B站命令见 video.md)
yt-dlp --write-sub --write-auto-sub --skip-download -o "/tmp/%(id)s" "URL"

# V2EX 热门
curl -s "https://www.v2ex.com/api/topics/hot.json" -H "User-Agent: agent-reach/1.0"

# B站搜索(bili-cli,无需登录)
bili search "query" --type video -n 5

# RSS 订阅源
python3 -c "import feedparser; [print(f'{e.title} — {e.link}') for e in feedparser.parse('FEED_URL').entries[:5]]"

环境检查

# 检查可用 channel 与每个平台当前激活的后端
agent-reach doctor --json

工作区规则

不要在 agent workspace 创建文件。 使用 /tmp/ 存放临时输出,~/.agent-reach/ 存放持久数据。

详细文档

Files

What ships with it

5 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. 3d ago First seen · 89 lines · 278 tokens per session scan A 8fe61aa945b0

Subscribe to this mod's changes

agent-reach is a skill published in the GitHub repository noahneancy-byte/netreach (6 stars, last pushed 16d ago), licensed MIT. It adds 278 tokens to every session and 1,048 once invoked, about $0.0014 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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