ko.io

Integrate · MCP

Give your AI agent a Wall Street data feed.

One command connects Claude, Cursor, Windsurf, Zed, Codex, and any MCP client to 120M+ source-traced SEC filings. No scraping, no glue code — every answer cites a real filing, so your agent stops hallucinating numbers.

terminal~30s setup
$ claude mcp add ko-sec-data --transport http https://mcp.ko.io/mcp
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Free tier · no credit card · connect in ~30s

ko.io agent live
you

Chart Vanguard's NVIDIA stake over 8 quarters

-> get_institution_holdings(cik: 102909, ticker: NVDA, history: 8q)

tap a question — watch your agent answer, cited

120M+
source-traced rows
19
MCP tools
83
API endpoints
<10ms
query time
8+
AI clients

One endpoint, every agent

Plug ko.io into the agent you already use.

One MCP server streams source-traced filings to Claude, Cursor, Windsurf, Zed, Codex, ChatGPT and beyond — no per-client work.

Claude
Claude
MCP native
Cursor
Cursor
MCP native
Windsurf
Windsurf
MCP native
Codex
Codex
MCP native
Zed
MCP native
ChatGPT
ChatGPT
REST
Gemini
Gemini
REST
Grok
Grok
REST

See it live

A real multi-step analysis in each app — a cited answer, a chart, even a downloadable CSV or Excel.

ko-sec-data MCP running inside Claude Code

Screen across every 13F filer and export the result — here, a 1,284-row TSLA → NVDA rotation CSV, every row traced to its filing.

+ any MCP client. Prefer REST? The same data is one HTTPS call away for ChatGPT, Gemini, Grok, or your own backend.

19 tools. One endpoint.

Every tool is typed, documented, and source-traced. Your agent discovers them automatically over MCP.

Institutions

2
  • list_institutions
  • get_institution_holdings

Stocks

5
  • get_stock_profile
  • get_stock_price
  • get_stock_financials
  • get_stock_holders
  • get_stock_activity

Insiders

3
  • get_insider_trades
  • list_insider_traders
  • get_form144_notices

Congress

2
  • get_congress_trades
  • get_congress_member

Markets & Macro

6
  • get_treasury_yields
  • get_fed_rates
  • get_economic_indicators
  • get_financial_stress
  • get_ftd_data
  • get_short_volume

Search

1
  • search
Full tool reference in the docs

Connect your client

Pick your tool, copy, paste. Same endpoint everywhere: https://mcp.ko.io/mcp

One command in your terminal.
claude mcp add ko-sec-data --transport http https://mcp.ko.io/mcp

Milliseconds, not minutes

Sub-10ms query time across a 3-region cluster. Your agent answers while the user is still reading.

Zero hallucinated numbers

Every value carries its SEC accession. The model cites a filing instead of inventing a figure.

One endpoint, every client

MCP for Claude/Cursor/Windsurf/Zed, REST for everything else. No SDK lock-in.

Connect in 30 seconds.

Free tier, no card. One command and your AI is querying the market.

Get your free key Read the docs