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Tap is answering right now. Last checked 5 min ago. 548 installs a week from pypi. It exposes 4 tools. Last commit 9 Aug 2026.

Browser MCP for logged-in tasks. Uses your Chrome — credentials stay local. Zero-token replay.

Installs per day peak 95 · avg 37 · +398% w/w
a month agotoday
Uptime history 47 days of history
47 days agonow
100.0%
Uptime 24h
92 of 92 checks
4
Tools
read from the server
100 ms
Response time
average over 24h
548
Installs / week
npm and PyPI

What the code does

We read the source, 20 h ago · tools taken from the live server · rules 3dff92dd89df

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.

File ships in the package but is absent from the source [пакет] taprun/__init__.py:1, [пакет] taprun/api.py:1, [пакет] taprun/cli.py:1
этот файл ставится пользователю, но в репозитории его нет
Executes code built at runtime packages/executor/src/page.ts:58
  eval(expression: string, ...args: unknown[]): Promise<unknown>;
Runs an external command [пакет] taprun/api.py:64, [пакет] taprun/cli.py:148
    proc = subprocess.run(
Long encoded blob in source extension/lib/pdf-lib.esm.js:15
…t(e+2)],o=hn[t.charCodeAt(e+3)],l[h++]=n<<2|r>>4,l[h++]=(15&r)<<4|i>>2,l[h++]=(3&i)<<6|63&o;return l}(t)))},dn={Courier:"eJyFWdtSGzkQ/RXXPO1WmZSBEAJvjnESb8AmGENCKg+ypj3Wohk5ugAmlX9fzUCyW6s+ysuUfVqXvh61Zr4XI1PX1PjiuLg6C05U1Ns/Ojx42TsYHB4eFf3irWn8VNQUB4xMsIpsCwatU1DUSm8T+JpUtW7XP6N…

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

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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 5 min ago.

run in your terminal
claude mcp add tap --transport http https://mcp.taprun.dev/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "tap": {
      "url": "https://mcp.taprun.dev/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.tap]
url = "https://mcp.taprun.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "tap": {
      "url": "https://mcp.taprun.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "tap": {
      "url": "https://mcp.taprun.dev/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

capture
capture
Create a tap from URL × intent (local install only).
mark
mark
Resolve uncertain intent (local install only).
run
run
Execute a saved tap. On this edge demo, runs the tab-free demo taps. ref = demo/<name>.
verify
verify
Read-only substrate check (local install only).

Endpoints

URLTransportStateLatencyChecked
https://mcp.taprun.dev/mcp streamable-http answering 130 ms 5 min ago

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same job, measured the same way
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R
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BrowserTap MCP
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Real Browser
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Tap — questions

Answers built from our own checks of this server.

What can Tap do?
It exposes 4 tools, read directly from the server on our last check. Among them: capture, mark, run, verify. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Tap working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 100 ms. The bar chart above shows every period we have measured.
How do I connect Tap?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Tap need an API key?
No. Tap completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Tap?
It answers our handshake in 100 ms on average, which is faster than 83% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use Tap?
The npm package @taprun/cli was installed 548 times in the last week. Week over week that is +398%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Tap open source?
Yes — it is published under the MIT licence, written in JavaScript, 18 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.