Opencapital MCP Server

by opencapital Your server? Claim it

answering

Opencapital is answering right now. Last checked 11 min ago. Last commit 3 Jul 2026.

Give your AI deep fundamentals on US public companies — metrics, segments, peers. Free.

Uptime history 91 days of history · worst day 92%

91 days agonow

100.0%

Uptime 24h

91 of 91 checks

—

Tools

hidden behind auth

474 ms

Response time

average over 24h

Stars

last commit 3 Jul 2026

Opencapital does not always answer

Over the last week it answered 98.8% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp --transport http https://api.opencapital.sh/mcp

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

https://api.opencapital.sh/mcp

~/.codex/config.toml

[mcp_servers.mcp]
url = "https://api.opencapital.sh/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://api.opencapital.sh/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://api.opencapital.sh/mcp"
    }
  }
}

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

URL	Transport	State	Latency	Checked
https://api.opencapital.sh/mcp	streamable-http	sign-in	370 ms	11 min ago

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Opencapital — questions

Answers built from our own checks of this server.

Why is there no tool list for Opencapital?

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 Opencapital 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 474 ms. The bar chart above shows every period we have measured.

How do I connect Opencapital?

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 Opencapital?

No API key is involved. Opencapital 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 Opencapital?

It answers our handshake in 474 ms on average, which is faster than 26% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Opencapital open source?

The code is open source: it is published under the MIT licence and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at api.opencapital.sh, which runs on its operator's own terms.