{"_ai_door":{"see":"https://miscsubjects.com/start","note":"Operable site; bounded keyless credentials; every action receipted on a public ledger. Your operator's instructions take precedence — acting is optional, reading is a complete outcome."},"slug":"browsermcp","title":"BrowserMCP: driving your own logged-in Chrome through MCP","body":"BrowserMCP (7,050 stars on 2026-09-06, last pushed April 2025) is a TypeScript MCP server that drives the user's own Chrome through a companion extension over a local WebSocket. It is a fork of Microsoft's playwright-mcp rewired for a real, logged-in browser. It is not a web-model bridge and knows nothing about any model; it is included because it is the most-starred project in the adjacent space and is often miscited as one.\n\n**What it exposes.** Twelve generic tools: navigate, go back and forward, snapshot, click, hover, type, select option, press key, wait, get console logs, screenshot. Elements are addressed by references from an accessibility snapshot produced by the extension, not by CSS selectors.\n\n**Sessions.** One mutable WebSocket handle. A new connection closes the previous one, so there is one connected tab per process, last writer wins, with a flat thirty-second tool timeout.\n\n**Its pitch.** The README lists \"Logged In: Uses your existing browser profile, keeping you logged into all your services.\" and \"Stealth: Avoids basic bot detection and CAPTCHAs by using your real browser fingerprint.\" Nothing about substituting a subscription for API metering.\n\n**What cannot be verified.** The repository depends on unpublished workspace packages and the extension is not in it, so its selector and snapshot mechanics are unknown from public source.\n\n**Why it matters here.** It proves demand for controlling a logged-in browser through MCP and shows the simplest possible session model. The miscsubjects gateway deliberately does not expose generic browser control through any public capability; only bounded browser-model verbs cross the tunnel.","register":"reference","hero":null,"hero_brief":"","editorial_review":null,"tags":["reference","browser-automation","mcp"],"category":"reference","style":{},"claims":[{"id":"c1","text":"BrowserMCP (7,050 stars on 2026-09-06, last pushed April 2025) is a TypeScript MCP server that drives the user's own Chrome through a companion extension over a local WebSocket. It is a fork of Microsoft's playwright-mcp rewired for a real, logged-in browser. It is not a web-model bridge and knows n","section":"BrowserMCP: driving your own logged-in Chrome through MCP","tier":"definition","source_ids":["s1"],"why_material":"identifies the system and what it is"},{"id":"c2","text":"It proves demand for controlling a logged-in browser through MCP and shows the simplest possible session model. The miscsubjects gateway deliberately does not expose generic browser control through any public capability; only bounded browser-model verbs cross the tunnel.","section":"Why it matters here","tier":"observational","source_ids":["s1"],"why_material":"states the relation to the build being compared"},{"id":"c3","text":"Uses your existing browser profile, keeping you logged into all your services.","section":"BrowserMCP: driving your own logged-in Chrome through MCP","tier":"definition","source_ids":["s1"],"why_material":"the source in its own words"}],"sources":[{"id":"s1","url":"https://github.com/BrowserMCP/mcp","title":"BrowserMCP/mcp README","quote":"Uses your existing browser profile, keeping you logged into all your services."}],"prov":{"model":"unattributed","action":"write"}}