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Oya Browser MCP Server

answering

Oya Browser is answering right now. Last checked 10 min ago. Last commit 1 Nov 2026.

Real Chrome for agents: start a browser, read pages as numbered markdown, click, type, hand off.

Uptime history 52 days of history · worst day 98%
52 days agonow
100.0%
Uptime 24h
182 of 182 checks
—
Tools
hidden behind auth
436 ms
Response time
average over 24h
351
Stars
last commit 1 Nov 2026

What the code does

We read the source, 22 h ago · rules 995398eba69f

Evidence

Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.

Reaches cloud metadata service mars/src/desktop/window/check.rs:142
                    .restore(&window.mars.address, "http://169.254.169.254/");
Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

  spawn(process.execPath, [join(root, 'server', 'migrations', 'run.mjs')], {
  return ` on conflict (${key.join(', ')}) ${update && set.length ? `do update set ${set.join(', ')}` : 'do nothing'}`;
Executes code built at runtime browser/src/preload/recording.ts:12
  contextBridge.executeInMainWorld({ func: new Function(personaSource) as () => void });
Runs an external command mars/tools/inspect_page.py:13
p = subprocess.Popen([M, 'desktop', '--agent', '--agent-control', '--ephemeral', '--url', url], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
Asks for container control access deployments/docker/compose.yaml:37
      - /var/run/docker.sock:/var/run/docker.sock

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

We found things in this code

Code changes quietly between releases, and nobody reads the diff of a dependency. We do, on every release — watch Oya Browser and you get told the day something new turns up.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

run in your terminal
claude mcp add oya-browser --transport http https://browser.getoya.ai/mcp/pool
Settings → Connectors → Add custom connector, then paste this address
https://browser.getoya.ai/mcp/pool
~/.codex/config.toml
[mcp_servers.oya-browser]
url = "https://browser.getoya.ai/mcp/pool"
.cursor/mcp.json
{
  "mcpServers": {
    "oya-browser": {
      "url": "https://browser.getoya.ai/mcp/pool"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "oya-browser": {
      "type": "http",
      "url": "https://browser.getoya.ai/mcp/pool"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Endpoints

URLTransportStateLatencyChecked
https://browser.getoya.ai/mcp/pool streamable-http sign-in 427 ms 10 min ago
https://oyabrowser.com/mcp/pool streamable-http sign-in 463 ms 10 min ago

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Oya Browser — questions

Answers built from our own checks of this server.

Why is there no tool list for Oya Browser?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is Oya Browser working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 182 of 182 checks got a reply (100.0%), average response time 436 ms. The bar chart above shows every period we have measured.
How do I connect Oya Browser?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.
How do you sign in to Oya Browser?
No API key is involved. Oya Browser answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.
How fast is Oya Browser?
It answers our handshake in 436 ms on average, which is faster than 29% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Oya Browser open source?
We cannot say either way: written in Rust, 351 stars on GitHub and 1 open issue, but we could not determine the licence, and without one the code is not open source by default.