CapitolSignal

Connect your agent to congressional & insider trade data.

One MCP endpoint. A drop-in tool for Claude, Cursor, or any agent you build. Query US House STOCK Act filings and SEC Form 4 insider trades in plain language — no scraping, no PDF parsing, no gov-site babysitting.

Free tier in 30 seconds · no card required.

1

Grab a key

Free, instant, no card. Upgrade to Pro for unlimited calls anytime.

2

Point your agent at the URL

Add the MCP endpoint and send your key as a bearer token.

3

Ask in plain language

"What did Congress file this week?" Your agent calls the tools and answers.

{
  "mcpServers": {
    "capitolsignal": {
      "url": "https://api.vaulttrawler.com/mcp",
      "headers": { "Authorization": "Bearer <your-key>" }
    }
  }
}
House trade filings tracked this year
new filings per week (avg)
SEC
Form 4 insider filings, live from EDGAR

Disclosure flow, live from the source

Weekly volume of US House periodic transaction reports — pulled in real time from the same feed the API serves. This is the raw activity; the signal is whatever you ask of it.

Follow the filings, not the hype

When an insider or a member of Congress trades, it becomes public record — often well before it's a headline. Explore the real, unedited Form 4 filings for some of the most-watched names. Same data the API returns.

NVDA

Live SEC Form 4 insider buys & sells for Nvidia.

View real filings →
TSLA

Live SEC Form 4 insider transactions for Tesla.

View real filings →
AAPL

Live SEC Form 4 insider transactions for Apple.

View real filings →

These are public records, not recommendations. Past filings do not predict future prices. Not investment advice.

Congressional source: House Financial Disclosure portal.

Pricing

Free

$0 / forever
  • 100 requests / day
  • List recent House trade filings
  • SEC Form 4 insider filings by ticker
Get a free key

Pro

$29 / month
  • Unlimited requests
  • Everything in Free
  • Ticker search — who in Congress traded it, buy/sell, amount
  • Parse any filing — tickers, buy/sell, amounts
  • Senate data (roadmap)

Connect in seconds

Streamable-HTTP MCP endpoint. Send your key as a bearer token.

Endpoint:  https://api.vaulttrawler.com/mcp
Header:    Authorization: Bearer <your-key>

Machine-readable plan: /pricing · Health: /health · Live stats: /stats