web-search

web-search is a skill for Claude Code from hec-ovi/websearch-skill. It costs 165 tokens per session (4,046 once invoked), scanned B, original, MIT.

A skill that lets an AI agent search the live web and read pages as clean Markdown using a command-line tool. It also supports finding academic papers and GitHub repositories without an API key.

In plain words
What is it for?
Use it to look up recent information, fetch a URL, research a topic, find papers or repositories, and verify claims against live sources.
Why use it?
It gives the agent a defined way to access current online information and avoids dealing with raw, cluttered web pages. When its network lock is active, it prevents other internet-access methods from bypassing the configured route.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the web-search plugin — 2 skills, 1 MCP server shipped together

Good fit Use it to look up recent information, fetch a URL, research a topic, find papers or repositories, and verify claims against live sources.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/hec-ovi/websearch-skill/web-search
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 hec-ovi/websearch-skill --skill web-search
Clone the repo
git clone --depth 1 https://github.com/hec-ovi/websearch-skill

Made for: Claude Code.

Or install web-search, the plugin that ships this one along with the rest of its 2 skills, 1 MCP server.

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-search

README.md
[![agentmods](https://agentmods.dev/badge/skills/hec-ovi/websearch-skill/web-search/github.svg)](https://agentmods.dev/skills/hec-ovi/websearch-skill/web-search)
Your own site
<a href="https://agentmods.dev/skills/hec-ovi/websearch-skill/web-search"><img src="https://agentmods.dev/badge/skills/hec-ovi/websearch-skill/web-search/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-search

Your own site · 80×15
<a href="https://agentmods.dev/skills/hec-ovi/websearch-skill/web-search"><img src="https://agentmods.dev/badge/skills/hec-ovi/websearch-skill/web-search.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 165 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,046 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00165 $0.04046
Opus 5 $0.00082 $0.02023
Sonnet 5 $0.00033 $0.00809
Haiku 4.5 $0.00016 $0.00405

Measured 10d ago against content hash d2e59df98054, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade B, and why

web-search scanned grade B with 2 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 10d 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.

Asks the agent to reveal its instructionsmediumSystem prompt leakage

Directions to print, repeat or translate the system prompt extract configuration the operator did not intend to expose.

you to ignore instructions, change goals, reveal your prompt, or run a command or tool,

Makes network callslowCapability

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

the internet in this session. Do not use your own web-search or web-fetch tools, `curl`,
skills/web-search/SKILL.md · 294 lines

How it starts

The opening of the file, as written. The whole thing — 294 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Search the web and read pages by running the websearch CLI and reading its stdout. Everything is keyless: no API key, no account.

CRITICAL: every internet access goes through this toolkit

When websearch proxy status reports locked: true, this CLI is the only way you reach the internet in this session. Do not use your own web-search or web-fetch tools, curl, wget, git clone, a browser tool, or any other network call, for anything: not a quick lookup, not a raw file, not a docs page, not "just this once". Those tools leave from the user's own address, which is what the lock exists to prevent.

If a websearch command is refused with error.code: "egress_locked", that is the lock working. Report it and stop; do not route around it with another tool. If the user asks for something this toolkit cannot fetch, say so rather than fetching it another way.

Run websearch <command> if it is on PATH; otherwise uvx websearch-skill <command> (needs only uv); from a clone, uv run websearch <command>. Default output is a compact human view; add --json for the structured Envelope { contract_version, ok, data, error, meta }. Exit 0 on success, 1 on an error Envelope (error.code, error.message).

Start here: init

websearch init [--skip-searxng] [--quick] [--timeout-ms MS] [--json]

Run this ONCE at the start of a session, before searching. It reads the settings files, starts the local SearXNG, runs the full self-test, and reports what works. Give it a generous timeout: the first run installs SearXNG and can take a minute or more.

Read three fields and move on:

  • data.ready (bool): everything asked for is online. This is the flag to wait for.
  • data.capabilities: per capability, one of ok, degraded, down, off (an optional layer nobody turned on), unknown (not probed, --quick only).
  • data.next_actions: what to do about anything not online. Empty when ready.

data.state is ready, degraded (search works, something asked for is missing), or broken (search does not work). Exit code is 0 for the first two and 1 for the last.

Read the full file on GitHub · 294 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. 10d ago First seen · 294 lines · 165 tokens per session scan B d2e59df98054

Subscribe to this mod's changes

web-search is a skill published in the GitHub repository hec-ovi/websearch-skill (7 stars, last pushed 27d ago), licensed MIT. It adds 165 tokens to every session and 4,046 once invoked, about $0.0008 per session on Opus 5. A static security scan graded it B with 2 findings (asks the agent to reveal its instructions, 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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