SkillsAdd

s-hiraoku/claude-harnesses · Archived

jina-reader

Fetch public web pages with Jina AI Reader API and convert them into LLM-friendly Markdown. Use when an agent needs to read, summarize, quote briefly, extract facts from, or inspect a public URL that normal browsing, scraping, search snippets, or direct fetch tools cannot read cleanly, including JavaScript-heavy pages, reader-hostile pages, X/Twitter posts and threads, articles, GitHub pages, and PDFs. Trigger when the user asks to use Jina, use r.jina.ai, read an otherwise unreadable site, rec…

First seen Jun 13, 2026

Installation

$ npx skills add s-hiraoku/claude-harnesses --skill jina-reader
View on skills.sh ↗ GitHub repository ↗

Summary

  • Fetch public web pages with Jina AI Reader API and convert them into LLM-friendly Markdown.
  • Use when an agent needs to read, summarize, quote briefly, extract facts from, or inspect a public URL that normal browsing, scraping, search snippets, or direct fetch tools cannot read cleanly, including JavaScript-heavy pages, reader-hostile pages, X/Twitter posts and threads, articles, GitHub pages, and PDFs.
  • Trigger when the user asks to use Jina, use r.jina.ai, read an otherwise unreadable site, recover readable text from a URL, read an X/Twitter post by URL, or turn a webpage into Markdown.

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

License LICENSE
Default branch main
Open issues 1
Status Archived

Skill metadata

Parsed from SKILL.md frontmatter.

Declared agents claude-code

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 4,003 B
  • docs SUMMARY.md 612 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 1 installs

SKILL.md

Jina Reader

Use this workflow when a public URL is hard to read through normal tools: JavaScript-heavy pages, reader-hostile articles, X/Twitter posts and threads, GitHub pages, PDFs, or pages that return incomplete snippets.

Quick Start

Use the bundled script when a public URL is hard to read through normal tools. The helper lives with the installed skill:

# project-scope skill install
python3 .claude/skills/jina-reader/scripts/read_url.py "https://x.com/user/status/1234567890"

# user-scope skill install
python3 ~/.claude/skills/jina-reader/scripts/read_url.py "https://x.com/user/status/1234567890"

In this source repository, use python3 skills/jina-reader/scripts/readurl.py ... instead. If the skill is loaded from a plugin cache, run the helper at <plugin-root>/skills/jina-reader/scripts/readurl.py.

The script prints Markdown from https://r.jina.ai/. If JINAAPIKEY is set, it sends it as a bearer token; otherwise it uses public unauthenticated access.

For a one-off fetch without the script:

curl "https://r.jina.ai/https://example.com/page"

Workflow

  1. Try ordinary browsing, web search, or direct fetch first when those tools are already suitable.
  2. Use the installed helper at .claude/skills/jina-reader/scripts/readurl.py, ~/.claude/skills/jina-reader/scripts/readurl.py, or <plugin-root>/skills/jina-reader/scripts/read_url.py when the page is public but normal tools return a blank page, script shell, paywall/login-like wrapper, poor snippets, blocked parsing, or incomplete text.
  3. Also prefer the script for X/Twitter, long URLs, URLs containing #, or repeated use.
  4. Summarize or extract only the relevant content requested by the user.
  5. Mention uncertainty when Reader returns sparse output, a login wall, deleted content, rate-limit text, or an obviously incomplete page.
  6. Do not treat Jina Reader as authorization bypass. It can only reliably read content that is publicly accessible to Jina.

X/Twitter Notes

  • Use the canonical post URL when possible: https://x.com/<handle>/status/<id>.
  • twitter.com URLs are acceptable; the script leaves the original URL intact.
  • Reader may fail on deleted, protected, age-gated, region-blocked, or login-only posts.
  • For threads, fetch the thread URL first. If the returned Markdown only includes the first post, ask for or locate the individual post URLs before claiming full thread coverage.

Output Handling

  • Keep direct quotations short and attribute them to the fetched URL.
  • For news, legal, financial, medical, or other high-stakes/current claims, corroborate with additional reliable sources before presenting conclusions.
  • If the task is to archive or preserve a post, save the Markdown to a user-facing file only when the user asks.

Script

The installed helper accepts the same arguments in project, user, and plugin installs:

python3 .claude/skills/jina-reader/scripts/read_url.py URL [--output path] [--timeout seconds] [--header "Name: value"]

Use --output when the fetched Markdown is large or the user asked for a saved artifact.

Final Report

Include:

  • URL fetched
  • whether Jina Reader returned complete-looking Markdown or partial/blocked content
  • summary, extracted facts, or saved output requested by the user
  • corroboration used for current or high-stakes claims