MCP server

Agent Browser

com.scriptmasterlabs/agent-browser

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

A real Chromium browser agents pay for per action in USDC via x402 — hosted MCP, free local stdio.

Source

At a glance

Type

MCP server

Publisher

scriptmasterlabs.com (verified by the MCP Registry)

Status

Working at last check

Tools

6

Token cost

About 1,366 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http agent-browser https://agent-browser-r7d2.onrender.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.agent-browser]
url = "https://agent-browser-r7d2.onrender.com/mcp"

Gemini CLI

{"mcpServers":{"agent-browser":{"httpUrl":"https://agent-browser-r7d2.onrender.com/mcp"}}}

Cursor

{"mcpServers":{"agent-browser":{"url":"https://agent-browser-r7d2.onrender.com/mcp"}}}

VS Code

{"servers":{"agent-browser":{"type":"http","url":"https://agent-browser-r7d2.onrender.com/mcp"}}}

Antigravity

agy mcp add agent-browser https://agent-browser-r7d2.onrender.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"agent-browser","server_url":"https://agent-browser-r7d2.onrender.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"agent-browser","server_url":"https://agent-browser-r7d2.onrender.com/mcp"}

Tools

• browser_act ~300 tokens
  Use for: interacting with the page — click, fill, type, select, submit, press. Returns the resulting page title, URL and text so you can verify the action landed. Don't use when: the target element is not on the current page — navigate or snapshot first. This tool can change remote state (it can sub
• browser_close ~154 tokens
  Use for: ending a session and freeing its browser. Sessions also expire automatically after 10 idle minutes. Free on every door — closing is never charged.
• browser_extract ~245 tokens
  Use for: pulling repeated elements (prices, titles, links) from the page a session is on, via a CSS selector, or the full page text when no selector is given. Returns one string per matched element. Don't use when: the page has not been loaded yet — call browser_navigate first.
• browser_navigate Browses the web · ~247 tokens
  Use for: loading a web page in a real Chromium browser and reading it. Returns the page title, final URL and a clean text extract (up to 8000 chars). Don't use when: you only need raw HTML or an API response — a plain HTTP fetch is cheaper. Errors are structured: NAV_TIMEOUT, NAV_FAILED, INVALID_URL
• browser_screenshot Browses the web · ~221 tokens
  Use for: visual verification — layout, images, charts, CAPTCHA presence, or evidence of page state. Returns a PNG image (JPEG if the PNG exceeds 2.5MB). Don't use when: you only need the page's content or structure — browser_extract and browser_snapshot are far cheaper in tokens.
• browser_snapshot ~199 tokens
  Use for: understanding page structure cheaply and deterministically — returns the accessibility tree (roles, names, states) as compact YAML instead of pixels or raw HTML. This is the lowest-token way to decide what to click or fill next. Don't use when: you need visual layout or images — use browser

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