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three.ws x402 Bazaar MCP Server

answering

three.ws x402 Bazaar is answering right now. Last checked 14 min ago. Last commit 1 Nov 2026.

Discover and price paid agent services across the live x402 network, by three.ws.

Uptime history 91 days of history · worst day 92%
91 days agonow
100.0%
Uptime 24h
91 of 91 checks
—
Tools
hidden behind auth
242 ms
Response time
average over 24h
264
Stars
last commit 1 Nov 2026

What the code does

We read the source, 45 min ago · rules 995398eba69f

A tool parameter reaches a dangerous call

A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.

A tool parameter reaches a file or shell call animation_signature.clip → packages/render/bin/tty.js:150, apply_animation.animation → packages/render/bin/tty.js:78
        await fs.writeFile(out, bytes);
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 api/_lib/gcp-auth.js:91
        'http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/token',
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.

                    filePath = path.join(ROOT_PUBLIC, url);
    const run = spawnSync(command, args, { cwd: root, encoding: 'utf8', timeout: probe.timeoutMs || 180_000 });
Executes code built at runtime packages/blender-mcp/src/py/runner.py:716
        exec(compile(job["code"], "<three-ws-blender-mcp>", "exec"), namespace)
Builds a database query by concatenation packages/motion/src/solve.js:122
    const drop = STANDING_HIP_HEIGHT * (root.height - 1) + root.rise;
            if (reset) { state.cursor = null; state.total = 0; grid.innerHTML = skeletons(); stateEl.hidden = true; }
Long encoded blob in source api/_lib/x402/ring-catalog.js:56
    'UklGRmQBAABXQVZFZm10IBAAAAABAAEAQB8AAIA+AAACABAAZGF0YUABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA…

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

A tool parameter here reaches a dangerous call

That is not a flaw by itself — but it is where things go wrong when it is not the job. We re-read this code on every release. Watch it and you hear from us the day another one appears.

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 14 min ago.

run in your terminal
claude mcp add threews-x402-bazaar --transport http https://three.ws/api/mcp-bazaar
Settings → Connectors → Add custom connector, then paste this address
https://three.ws/api/mcp-bazaar
~/.codex/config.toml
[mcp_servers.threews-x402-bazaar]
url = "https://three.ws/api/mcp-bazaar"
.cursor/mcp.json
{
  "mcpServers": {
    "threews-x402-bazaar": {
      "url": "https://three.ws/api/mcp-bazaar"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "threews-x402-bazaar": {
      "type": "http",
      "url": "https://three.ws/api/mcp-bazaar"
    }
  }
}

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.

Endpoints

URLTransportStateLatencyChecked
https://three.ws/api/mcp-bazaar streamable-http sign-in 166 ms 14 min ago

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three.ws x402 Bazaar — questions

Answers built from our own checks of this server.

Why is there no tool list for three.ws x402 Bazaar?
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 three.ws x402 Bazaar working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 242 ms. The bar chart above shows every period we have measured.
How do I connect three.ws x402 Bazaar?
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 three.ws x402 Bazaar?
No API key is involved. three.ws x402 Bazaar 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 three.ws x402 Bazaar?
It answers our handshake in 242 ms on average, which is faster than 58% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is three.ws x402 Bazaar open source?
The code is open source: it is published under the Apache-2.0 licence, written in JavaScript, 264 stars on GitHub and 6 open issues. The licence covers the code in the repository, not the hosted service at three.ws, which runs on its operator's own terms.