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Cubesphere Insider MCP Server

by cubesphere Your server? Claim it
answering

Cubesphere Insider is answering right now. Last checked 14 min ago. It exposes 4 tools.

SEC insider filings as clean economic events - Form 4 trades, Form 144 notices, 13D/G stakes.

Uptime history 86 days of history · worst day 96%
86 days agonow
100.0%
Uptime 24h
91 of 91 checks
4
Tools
read from the server
1456 ms
Response time
average over 24h
open, no key
Access
streamable-http

Cubesphere Insider missed 2 checks this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

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 insider --transport http https://mcp.cubesphere.xyz/mcp
Settings → Connectors → Add custom connector, then paste this address
https://mcp.cubesphere.xyz/mcp
~/.codex/config.toml
[mcp_servers.insider]
url = "https://mcp.cubesphere.xyz/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "insider": {
      "url": "https://mcp.cubesphere.xyz/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "insider": {
      "type": "http",
      "url": "https://mcp.cubesphere.xyz/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.

activist
get_activist_stakes
Get Schedule 13D/13G beneficial-ownership filings (activist and 5%+ large-holder stakes) for one company - ticker is required. Returns one row per filing with filer names and the maximum reported percent of class; detailed item narrative text is not included. event_revision is always null for these forms (a fact of the form, not missing data). Data delayed 24 hours (known_at); recent filings only.
company
get_company_timeline
Get one merged, time-ordered feed of SEC insider activity for a company: Form 4 events, Schedule 13D/13G stake filings, and Form 144 sale notices, distinguished by the source_form field (form4 | sc13 | form144). The limit applies after merging, so companies with heavy Form 4 activity can crowd out 13D/G and 144 rows - use the dedicated tools for those. Unknown tickers fail with an error (404). Data delayed 24 hours (known_at); no price-derived fields.
insider
search_insider_events
Search interpreted insider-trading events from SEC Form 4 filings. Each event classifies raw filing rows into economic meaning (OPEN_MARKET_BUY vs EQUITY_AWARD vs TAX_WITHHOLDING_ONLY etc.), separating discretionary trades from compensation noise. Supports filtering by ticker, event type, minimum USD value, and time, with cursor pagination. Form 4 only - for 13D/G stakes or Form 144 sale notices use get_activist_stakes, get_sale_notices, or get_company_timeline. Data delayed 24 hours (known_at); history ~1 month; no price-derived fields.
sale
get_sale_notices
Get Form 144 notices of proposed insider sales for one company - ticker is required. shares_to_sell and aggregate_market_value are as-filed intentions announced before the sale, not executed trades - the matching Form 4 sale, if any, typically follows about a day later. event_revision is always null for this form. Data delayed 24 hours (known_at); recent filings only.

Endpoints

URLTransportStateLatencyChecked
https://mcp.cubesphere.xyz/mcp streamable-http answering 1428 ms 14 min ago

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Cubesphere Insider — questions

Answers built from our own checks of this server.

What can Cubesphere Insider do?
It exposes 4 tools, read directly from the server on our last check. Among them: get_activist_stakes, get_company_timeline, get_sale_notices, search_insider_events. 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 Cubesphere Insider 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 1456 ms. The bar chart above shows every period we have measured.
How do I connect Cubesphere Insider?
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.
Does Cubesphere Insider need an API key?
No. Cubesphere Insider 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 Cubesphere Insider?
It answers our handshake in 1456 ms on average, which is faster than 1% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.