blogwatcher

blogwatcher is a skill for Claude Code, Codex from DJRHails/dotfiles. It costs 66 tokens per session (379 once invoked), scanned A, original, MIT.

A command-line tool for tracking blogs and RSS or Atom feeds, which are formats websites use to publish update lists. It can record blogs, scan for new articles, list them, and mark them as read.

In plain words
What is it for?
It is for monitoring selected blogs and feeds for new posts. Typical jobs include adding or removing sources, scanning for updates, viewing articles, and marking articles read.
Why use it?
It avoids checking each blog manually and keeps track of which updates have already been seen. It requires the blogwatcher command to be installed and available on the command line.

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/djrhails/dotfiles/blogwatcher
Any agent
npx skills add DJRHails/dotfiles --skill blogwatcher
Clone the repo
git clone --depth 1 https://github.com/DJRHails/dotfiles

Made for: Claude Code, Codex.

Per session 66 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 379 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00066 $0.00379
Opus 5 $0.00033 $0.00189
Sonnet 5 $0.00013 $0.00076
Haiku 4.5 $0.00007 $0.00038

Measured 3d ago against content hash 289c98676545, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

blogwatcher 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 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.

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.

modules/agents/skills/blogwatcher/SKILL.md · 55 lines

What it actually says

Blogwatcher

Track blog and RSS/Atom feed updates with the blogwatcher CLI.

Prerequisites

  • Go installed (go version to check)
  • Install: go install github.com/Hyaxia/blogwatcher/cmd/blogwatcher@latest

Common Commands

  • Add a blog: blogwatcher add "My Blog" https://example.com
  • List blogs: blogwatcher blogs
  • Scan for updates: blogwatcher scan
  • List articles: blogwatcher articles
  • Mark an article read: blogwatcher read 1
  • Mark all articles read: blogwatcher read-all
  • Remove a blog: blogwatcher remove "My Blog"

Example Output

$ blogwatcher blogs
Tracked blogs (1):

  xkcd
    URL: https://xkcd.com
$ blogwatcher scan
Scanning 1 blog(s)...

  xkcd
    Source: RSS | Found: 4 | New: 4

Found 4 new article(s) total!

Notes

  • Use blogwatcher <command> --help to discover flags and options.
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 · 55 lines · 66 tokens per session scan A 289c98676545

Subscribe to this mod's changes

blogwatcher is a skill published in the GitHub repository DJRHails/dotfiles (2 stars, last pushed 8d ago), licensed MIT. It adds 66 tokens to every session and 379 once invoked, about $0.0003 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 2026-08-31.

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