web-access

A required route for all internet-related work, including searches, webpage access, logged-in actions, and social-media retrieval.

In plain words
What is it for?
It is for searching the web, reading webpages, accessing logged-in sites, interacting with web pages, and retrieving dynamically loaded or social-media content.
Why use it?
It gives the coding agent one defined way to handle tasks that need live web access or a real browser.

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/mingchen666/reviva/web-access
Any agent
npx skills add mingchen666/Reviva --skill web-access
Clone the repo
git clone --depth 1 https://github.com/mingchen666/Reviva

Made for: Claude Code, Codex.

Per session 89 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,051 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. Scan, not verified.
Origin unknown 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 $0.00089 $0.05051
Opus 5 $0.00044 $0.02525
Sonnet 5 $0.00018 $0.01010
Haiku 4.5 $0.00009 $0.00505

Measured 3d ago against content hash c2748c5ccc76, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

web-access 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 3d ago.

The scan reads SKILL.md. This mod also ships 5 executable files (scripts/browser-discovery.mjs, scripts/cdp-proxy.mjs, scripts/check-deps.mjs, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Sends data to an external URLmediumData exfiltration

A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.

curl -s -X POST --data-raw 'https://example.com' http://localhost:3456/new

Makes network callslowCapability

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

| URL 已知,需要原始 HTML 源码(meta、JSON-LD 等结构化字段) | **curl** |
electron/builtin-assets/skills/web-access/SKILL.md · 292 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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 · 292 lines · 89 tokens per session scan B c2748c5ccc76

Subscribe to this mod's changes

web-access is a skill published in the GitHub repository mingchen666/Reviva (217 stars, last pushed 6d ago), with no licence file. It adds 89 tokens to every session and 5,051 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 2 findings (sends data to an external url, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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