web-research

web-research is a skill for Claude Code from anortham/julie-plugin. It costs 67 tokens per session (1,117 once invoked), scanned C, a copy of web-research, MIT.

A workflow for fetching web pages, saving them as local Markdown files, and indexing them so selected sections can be read later.

In plain words
What is it for?
Use it to collect documentation, articles, or other web content for focused local research.
Why use it?
It avoids loading entire web pages into context when only a few relevant sections are needed, but requires the browser39 program to be installed.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the julie plugin — 6 skills shipped together

Good fit Use it to collect documentation, articles, or other web content for focused local research.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/anortham/julie-plugin/web-research
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 anortham/julie-plugin --skill web-research
Clone the repo
git clone --depth 1 https://github.com/anortham/julie-plugin

Made for: Claude Code.

Or install julie, the plugin that ships this one along with the rest of its 6 skills.

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 web-research

README.md
[![agentmods](https://agentmods.dev/badge/skills/anortham/julie-plugin/web-research/github.svg)](https://agentmods.dev/skills/anortham/julie-plugin/web-research)
Your own site
<a href="https://agentmods.dev/skills/anortham/julie-plugin/web-research"><img src="https://agentmods.dev/badge/skills/anortham/julie-plugin/web-research/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 web-research

Your own site · 80×15
<a href="https://agentmods.dev/skills/anortham/julie-plugin/web-research"><img src="https://agentmods.dev/badge/skills/anortham/julie-plugin/web-research.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 67 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,117 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. 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 $0.00067 $0.01117
Opus 5 $0.00034 $0.00558
Sonnet 5 $0.00013 $0.00223
Haiku 4.5 $0.00007 $0.00112

Measured 8d ago against content hash ab0e7b58c264, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade C, and why

web-research scanned grade C 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 8d 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.

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

rm -rf docs/web/
Origin

This is a copy

100% identical to web-research — 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/web-research/SKILL.md · 129 lines

How it starts

The opening of the file, as written. The whole thing — 129 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Web Research

Fetch web pages, index them locally, and read selectively using Julie's tools. This replaces dumping entire web pages into context (which wastes thousands of tokens) with a workflow that indexes the content and lets you pull out just the sections you need.

Prerequisites

browser39 must be installed. Check with:

which browser39

If missing, tell the user to download the latest binary release from browser39 releases and add it to their PATH.

Workflow

Step 0 (Optional): Discover URLs from a Topic

If the user gave a research topic rather than a specific URL, find candidate pages first:

browser39 search "your research topic" --output json > /tmp/b39-search.json

Parse the links[] array and pick the URLs worth fetching. Skip this step when the user already provided URLs.

Step 1: Fetch and Save

Determine the target file path from the URL. The directory structure mirrors the URL:

docs/web/
  docs.rs/axum/latest.md
  developer.mozilla.org/Web/API/Fetch_API.md
  github.com/tokio-rs/tokio.md

Fetch the page and save directly to the target file. Never print full page content to stdout.

# Fetch (rm ensures no stale results — --output appends, not overwrites)
echo '{"id":"1","action":"fetch","v":1,"seq":1,"url":"THE_URL","options":{"selector":"article","strip_nav":true,"include_links":true}}' > /tmp/b39-cmd.jsonl
rm -f /tmp/b39-out.jsonl
browser39 batch /tmp/b39-cmd.jsonl --output /tmp/b39-out.jsonl

# Extract markdown directly to file (no stdout leak)
mkdir -p docs/web/TARGET_DOMAIN/TARGET_PATH_DIR
python3 -c "
import sys,json
with open('/tmp/b39-out.jsonl') as f:
    for line in f:
        d=json.loads(line)
        md = d.get('markdown','')
        if md:
            with open('docs/web/TARGET_DOMAIN/TARGET_PATH.md','w') as out:
                out.write(md)
            print(f'Saved {len(md)} chars to docs/web/TARGET_DOMAIN/TARGET_PATH.md')
"

Read the full file on GitHub · 129 lines

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. 8d ago First seen · 129 lines · 67 tokens per session scan C ab0e7b58c264

Subscribe to this mod's changes

web-research is a skill published in the GitHub repository anortham/julie-plugin (2 stars, last pushed 19d ago), licensed MIT. It adds 67 tokens to every session and 1,117 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it C with 1 finding (recursive force delete). It is 100% identical to web-research, differing in 0 lines, and is treated as a copy.

Related

Other skills, from other repositories

systematic-debugging

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

obra/superpowers · 21 tokens

local-ai-agents

Build local-first AI agents that run entirely on a developer workstation with Microsoft Foundry Local and Qwen function-calling models. Covers Small Language Models (SLMs), the OpenAI-compatible local endpoint, sandboxed local tools, local RAG with Chroma, local MCP servers, hybrid cloud/local routing, and the…

microsoft/ai-agents-for-beginners · 200 tokens

next-cache-components-adoption

Turn on Cache Components in a Next.js app and resolve the blocking routes it surfaces. Use when the user wants to enable, adopt, or migrate to Cache Components, flip the cacheComponents flag, work through a flood of blocking-prerender / instant validation errors, run the cache-components-instant-false codemod, or…

vercel/next.js · 95 tokens

next-cache-components-optimizer

Drive a Next.js route to instant navigation by setting up an agentic loop, under Cache Components / PPR, on initial load (hard navigation) and client-side navigation (soft navigation). Encode the goal as a failing @next/playwright instant() e2e and work it to green, one verified route at a time; the shipped test then…

vercel/next.js · 170 tokens

next-partial-prefetching-adoption

Turn on Partial Prefetching in a Next.js app and work through the insights it surfaces. Use when the user wants to enable or adopt Partial Prefetching, flip the partialPrefetching flag, opt routes in with export const prefetch = 'partial', audit Link prefetch={true} behavior, preserve existing prefetched UI with…

vercel/next.js · 103 tokens

chronicle

Analyze Copilot session history for standup reports, usage tips, session search, and session reindexing. Use when the user asks for a standup, daily summary, usage tips, workflow recommendations, wants to search or find past sessions by keyword/file/PR, wants to reindex their session store, or asks about deleting…

microsoft/vscode · 72 tokens