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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).

Related MCP server: FinImpulse MCP Server

What you get

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"
curl -H "Authorization: Bearer smcp_..." "https://mcp.gronox.kr/api/v1/companies/eu/NL0010273215/peers?limit=5"   # Europe by ISIN: statements-based peers, no prices (EU groups all IT/electronics together, so treat the list as a starting point)

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

  1. "Compare Samsung Electronics with its five nearest peers on P/E, ROE and revenue growth."

  2. "Screen KOSDAQ for names above RS 90 that pass the trend template."

  3. "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: 4y.changemaker@gmail.com

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.

Related MCP Connectors

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  • Your agent needs company financials it can compute on — statements, ratios, earnings, estimates, filings and insider activity as structured data, not a PDF. **What you can ask for** • "Give me 8 quarters of income statement, balance sheet and cash flow for this ticker." • "What do analysts estimate for next quarter, and how did the last four surprise?" • "Find this exact line item across every filing." • "Who bought or sold as an insider in the last 90 days?" • "Screen for profitable companies under this valuation with growing revenue." **How to use it** Point any MCP client at https://mcp.aisa.one/marketpulse/mcp and sign in with OAuth — there is no key to create or paste. 21 tools: prices and snapshots, income statements, balance sheets, cash-flow statements, financial metrics and snapshots, earnings, analyst estimates, company facts, filings and filing items, line-item search, a screener, insider trades, macro interest rates, news, plus EDINET documents and filing digests for Japanese issuers. **Why this rather than the source** Statements as fields you can compute on, and a screener in the same place. **It is also a door to the rest** The same login reaches 26 sources and 580+ operations. Read the fundamentals here, then ask the same agent what social is saying about the ticker — without adding a second server. **What it costs** Finding and inspecting an operation is free. Running one is billed per call at API prices, with no seat and no monthly minimum, and every call takes max_price_usd so an agent cannot overspend by accident. **Where else it reaches** https://mcp.aisa.one/finance/mcp for equities, crypto and prediction markets in one place.

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