The Signal8 MCP server,
connected in one click.
SEC filings, dilution, insider & institutional ownership, and political-trade data for AI agents. Connect the official Signal8 MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
What your AI can do with Signal8
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “search_companies”: Search for companies by name or ticker symbol in the Signal8 database. Returns matching companies with their ticker, name, CIK, and exchange.”
“Use “get_company_profile”: Get an enriched company profile by ticker symbol. Returns CIK, exchange, sector, industry, market cap, employee count, description, and othe.”
“Use “get_quote”: Get the current stock quote for a company including price, volume, change, market cap, and other real-time market data. Use this when a user.”
“Use “get_market_metrics”: Get computed market metrics for a company including volume averages, volatility, SMAs, and trend direction. Use when analyzing trading patte.”
How secure is the Signal8 MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Signal8 holds up.
Official endpoint
Operated by Signal8 (signal8.ai) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Signal8 adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Signal8
Choose Signal8 in the gate directory. No sign-in needed.
Use it anywhere
Signal8's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Signal8 exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
search_companies — Search for companies by name or ticker symbol in the Signal8 database. Returns matching companies with their ticker, name, CIK, and exchange
get_company_profile — Get an enriched company profile by ticker symbol. Returns CIK, exchange, sector, industry, market cap, employee count, description, and othe
get_quote — Get the current stock quote for a company including price, volume, change, market cap, and other real-time market data. Use this when a user
get_market_metrics — Get computed market metrics for a company including volume averages, volatility, SMAs, and trend direction. Use when analyzing trading patte
get_short_interest — Get short interest data for a company including short volume, short ratio, days to cover, and short percent of float. Use when analyzing bea
get_float — Get float data for a company: floatShares, source, floatDefinition, and as-of date. Use when analyzing share supply. IMPORTANT: check "float
get_float_history — Get the POINT-IN-TIME float history for a company — one sample per trade date (float shares, shares outstanding, and the source the float ca
get_historical_prices — Get historical OHLCV price candles for a stock. Supports daily, weekly, and monthly resolutions. Use period shorthand (1M, 3M, 6M, 1Y, 5Y, A
+ 84 more tools once connected
The Signal8 MCP server at a glance
https://mcp.signal8.ai/mcpQuestions, answered
Is there an official Signal8 MCP server?
Yes — Signal8 operates its own remote MCP server at mcp.signal8.ai. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Signal8 to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Signal8 in the directory. No account or sign-in is needed. From then on, Signal8's tools are available in every client you've connected to gate.
Do I need to host anything?
No. Signal8 runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Signal8 MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Signal8 in minutes. No credit card required.
Connect more than just Signal8
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Signal8 in: Claude · Claude Code · ChatGPT · Cursor · VS Code