FinBridge — DART + SEC + FRED + prices + screeners. One MCP.

The finance MCP for AI stock analysis. FinBridge is a hosted data service that collects official financial data for Korea, the United States, Japan and Taiwan (plus European statements) every night, normalises it to one schema, and serves it to ChatGPT, Claude, Cursor or any MCP client — and to everything else over a REST API.

MCP endpoint (Streamable HTTP): https://mcp.gronox.kr/mcp
REST API: https://mcp.gronox.kr/api/v1 · OpenAPI 3.1: https://mcp.gronox.kr/api/v1/openapi.json
Free plan, no card: 200 calls/day, every tool, the last 4 fiscal years and 130 trading sessions. Paid plans buy history depth, not attempts.

Official sources only, and only sources we may redistribute: OpenDART, SEC EDGAR, EDINET, TWSE/TPEx OpenAPI, data.go.kr (Financial Services Commission), Databento (US daily prices), FRED public series, exchange public data via ccxt. Every answer names its source and as-of date, and every company carries a page_url to a public page with the filing behind each number.

Coverage

Market	Source	Statements & filings	Daily prices	Segments	Screeners / backtests
Korea (KRX)	OpenDART · data.go.kr	✅ K-IFRS, normalised, revisions kept	✅ corporate-action adjusted, 2020–	✅	✅
United States	SEC EDGAR · Databento	✅ US-GAAP, as-filed (point-in-time) history	✅ from 2023-03, split-adjusted	✅ (SEC DERA)	✅
Taiwan	TWSE / TPEx OpenAPI	✅ TW-IFRS	✅ 2004–	—	✅
Japan	EDINET	✅ J-GAAP / IFRS	— (no redistributable source)	✅	—
Europe	ESEF / IFRS	✅ statements	—	—	—

Public pages for every listed operating company: https://www.gronox.kr/companies/{kr|us|jp|tw}/{symbol} (e.g. Samsung Electronics).

What you get (37 tools)

Area	Tools
Statements & filings	DART / EDGAR financials (with the five nearest peers attached), filings, major events, insider trades (DART · Form 4), 13F institutional holdings, disclosure feed
Prices & technicals	Daily OHLCV (KR · US · TW), technical indicators, valuation snapshots with market percentiles
Screeners	Minervini trend template, CAN SLIM, Kell and Schwartz playbooks, technical screens, ETF screens — nightly over every listing
Peers & segments	`get_peers` by industry group and size, or by business-mix similarity from reported segments
Research	Portfolio backtests with trading costs (KR · US · TW), point-in-time factor studies, saved runs, read-only SQL over the database
Macro & crypto	FRED series and snapshots, crypto tickers / OHLCV / exchange premium
Account	Watchlist, portfolio import

Tool reference (rendered from the live registry): https://www.gronox.kr/docs

Quick start

Claude (claude.ai / Desktop)

Settings → Connectors → Add custom connector → https://mcp.gronox.kr/mcp — sign in with Google, no key needed. Then, in each new chat, open + → FinBridge to turn it on (connectors are off per conversation until you do) and ask.

Claude Code

claude mcp add --transport http finbridge https://mcp.gronox.kr/mcp --header "Authorization: Bearer smcp_..."

Get a key at https://www.gronox.kr/login (Google sign-in, issued instantly).

ChatGPT (developer mode)

Settings → Apps & Connectors → Advanced → Developer mode → Create connector with the URL above and your smcp_ key as the access token.

Any MCP client (Gemini CLI, Cursor, …)

{"mcpServers": {"finbridge": {"httpUrl": "https://mcp.gronox.kr/mcp",
  "headers": {"Authorization": "Bearer smcp_..."}}}}

REST (no MCP client)

curl -H "Authorization: Bearer smcp_..." https://mcp.gronox.kr/api/v1/companies/kr/005930/financials
curl -H "Authorization: Bearer smcp_..." "https://mcp.gronox.kr/api/v1/companies/us/AAPL/peers?limit=5"

Endpoints: /companies/{market}/{symbol} (profile) · /financials · /valuation · /peers · /prices. Same key, same quota, same depth as MCP.

Built-in prompts

FinBridge registers three MCP prompts, so you can start without typing a question. In Claude.ai or Claude Desktop, turn FinBridge on in the chat (+ → FinBridge), then open + → FinBridge again and pick a prompt; in Claude Code type the slash command. Clients that don't list prompts (Cursor, ChatGPT developer mode): paste the one-liner.

Prompt	What it does	Claude Code	Paste instead
This week's watchlist	What passed the trend, CAN SLIM, VCP and RS screens this week (KR/US/TW), then a closer look at the strongest three	`/mcp__finbridge__weekly_watchlist kr`	"Run this week's FinBridge watchlist for Korea and check the strongest three with get_valuation and get_technicals."
Company check-up	One company end to end: four annual statements, valuation vs five peers, technicals, latest filings, every number dated	`/mcp__finbridge__company_checkup 005930`	"Give me a FinBridge check-up of Samsung Electronics (005930) with data_as_of dates."
First three questions	A one-minute tour: peers, a screen, four years of statements	`/mcp__finbridge__first_questions`	"I just connected FinBridge — answer its three starter questions and show which tool you used."

Good first questions

"Compare Samsung Electronics with its five nearest peers on P/E, ROE and revenue growth."
"Screen KOSDAQ for names above RS 90 that pass the trend template."
"Pull Apple's last four annual statements and summarise margin trends."

Notes

Data is a nightly snapshot (the filings feed refreshes every 5 minutes); not real-time quotes.
Statements follow the local accounting standard (K-IFRS, US-GAAP, J-GAAP/IFRS, TW-IFRS), so cross-market ratios are approximations.
Information only, not investment advice. FinBridge is not affiliated with any trader whose published criteria it implements.
This repository is the public listing (registry manifest server.json) for the hosted service; the server itself is not open source.

Contact: [email protected]

License

The contents of this repository (listing metadata and documentation) are released under the MIT License. The hosted FinBridge service and its source code are not part of this repository and are provided under the FinBridge Terms of Service.

FinBridge — DART + SEC + FRED + prices + screeners. One MCP.