Marketcaper MCP Server

by marketcaper Your server? Claim it

answering

Marketcaper MCP is answering right now. Last checked 8 min ago. It exposes 4 tools.

Cited market comparisons and heatmap images for AI agents.

Uptime history 66 days of history · worst day 92%

66 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

133 ms

Response time

average over 24h

authentication required

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Marketcaper MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp --transport http https://marketcaper.com/api/mcp

Settings → Connectors → Add custom connector, then paste this address

https://marketcaper.com/api/mcp

~/.codex/config.toml

[mcp_servers.mcp]
url = "https://marketcaper.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://marketcaper.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://marketcaper.com/api/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.

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.

compare

compare_assets

Compare two Marketcaper assets and return the live what-if market cap scenario, canonical pair URL, and optional hosted image URL. Hosted images are PNG, generated on demand, share a 10 images/day/IP limit, and may require a longer timeout than the MCP JSON call. Always cite the returned source_url when using the data.

compare_assets_pack

Compare two Marketcaper assets and return the same cited comparison data plus a ready-to-publish short post and share payload with the hosted comparison image URL. Always cite the returned source_url when using the data.

asset

get_asset_snapshot

Resolve one Marketcaper asset and return its live market cap snapshot. Always cite the returned source_url when using the data.

stock

get_stock_heatmap

Return a current Marketcaper stock heatmap summary plus a hosted dark-theme PNG image URL. Supports US or global universes, classic or bubble views, optional sector/category filtering, and capped summary rows. Hosted images share a 10 images/day/IP limit. This is not a bulk feed extraction tool.

Endpoints

URL	Transport	State	Latency	Checked
https://marketcaper.com/api/mcp	streamable-http	needs auth	88 ms	8 min ago

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Marketcaper MCP — questions

Answers built from our own checks of this server.

What can Marketcaper MCP do?

It exposes 4 tools, read directly from the server on our last check. Among them: compare_assets, compare_assets_pack, get_asset_snapshot, get_stock_heatmap. 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 Marketcaper MCP 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 133 ms. The bar chart above shows every period we have measured.

How do I connect Marketcaper MCP?

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 will need your own credentials: it refuses anonymous clients.

Does Marketcaper MCP need an API key?

Yes. Every time we knock, Marketcaper MCP answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.

How fast is Marketcaper MCP?

It answers our handshake in 133 ms on average, which is faster than 86% 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.