findata-mcp
Allows agents to automatically generate new financial data wrapper functions using OpenAI's Codex model through the request_data_source tool.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@findata-mcphow do I get daily equity prices for Apple?"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
findata-mcp
A unified financial data library with an MCP server for code-writing agents.
When an agent queries the MCP (e.g. "equity daily prices"), it receives:
The findata wrapper function signature
Full parameter and return-type documentation
A ready-to-paste code example calling our API
The MCP never fetches live data — it is a documentation server so agents can write correct calls to the findata library.
Project structure
data-mcp/
├── findata/ Data library
│ ├── equity_prices.py get_equity_prices() yfinance wrapper
│ ├── sp500_composition.py get_sp500_composition() fja05680/sp500 (local git clone)
│ ├── fama_french.py get_fama_french_factors() Ken French Data Library
│ ├── fred.py get_fred_series() FRED macroeconomic series
│ ├── cboe_volatility.py get_cboe_volatility_indices() VIX / VVIX
│ ├── coingecko.py get_coingecko_ohlcv() CoinGecko public API
│ ├── file_reader.py get_file_data() CSV / Parquet / Excel
│ └── bloomberg.py get_bloomberg_ticks() blpapi — tick-by-tick
│ get_bloomberg_bars() blpapi — intraday OHLCV
│ get_bloomberg_data() blpapi — historical / reference
├── findata_mcp/
│ └── server.py Tool registry + MCP handlers
├── Dockerfile
├── docker-compose.yml
├── .github/workflows/docker.yml GHCR build + push on every push to main
├── pyproject.toml
└── README.mdRelated MCP server: FinData MCP
Installation
The recommended way to run findata-mcp is via Docker. The image is published to GHCR on every push to main and includes Codex CLI baked in.
Prerequisites
Docker
Codex authenticated on your host machine
1. Authenticate Codex (one-time)
codex auth login # opens browser → saves to ~/.codex/auth.json2. Pull and run
curl -O https://raw.githubusercontent.com/lakshya-aga/data-mcp/main/docker-compose.yml
docker compose up -ddocker-compose.yml mounts ~/.codex read-only so the container inherits your Codex session with no interactive prompts. Named volumes keep generated files and data across restarts.
3. Verify
docker logs data-mcp-findata-mcp-1
# should show: findata-mcp starting on :8000Connecting to the server
Claude Desktop
Add to ~/Library/Application Support/Claude/claude_desktop_config.json:
{
"mcpServers": {
"findata": {
"url": "http://localhost:8000/sse"
}
}
}Python (raw MCP client)
import asyncio
from mcp.client.sse import sse_client
from mcp.client.session import ClientSession
async def main():
async with sse_client("http://localhost:8000/sse") as (r, w):
async with ClientSession(r, w) as s:
await s.initialize()
res = await s.call_tool("search_tools", {"query": "equity daily prices", "top_k": 3})
print(res.content[0].text)
asyncio.run(main())OpenAI Agents SDK
from agents.mcp import MCPServerSse
mcp = MCPServerSse(url="http://localhost:8000/sse")MCP tools
Tool | Description |
| Natural-language query → matching function docs + code examples |
| Full reference for one function by exact name |
| All wrapper functions with summaries and tags |
| Ask Codex to implement and register a new data wrapper |
search_tools
res = await s.call_tool("search_tools", {"query": "fama french factors", "top_k": 2})get_tool_doc
res = await s.call_tool("get_tool_doc", {"tool_name": "get_equity_prices"})request_data_source
res = await s.call_tool("request_data_source", {
"description": "get World Bank GDP per capita using the wbdata library"
})Codex writes findata/<module>.py, updates server.py, and hot-reloads the new function into the live registry — no restart needed.
Environment variables
Variable | Description |
| Codex auth — skips OAuth if set (alternative to host auth mount) |
| Required for |
| Override Codex binary path (defaults to |
| Bloomberg API host for the |
| Bloomberg API port (default |
| Per-event wait before a Bloomberg request is abandoned (default |
|
|
findata quick reference
get_equity_prices
from findata.equity_prices import get_equity_prices
df = get_equity_prices(
tickers=["AAPL", "MSFT"],
start_date="2024-01-01",
end_date="2024-12-31",
fields=["Close"],
frequency="1d", # 1d 5d 1wk 1mo 3mo
)get_fama_french_factors
from findata.fama_french import get_fama_french_factors
df = get_fama_french_factors(factor_model="5", start_date="2010-01-01", end_date="2020-12-31")
# columns: Mkt-RF, SMB, HML, RMW, CMA, RFget_fred_series
from findata.fred import get_fred_series
df = get_fred_series(["CPIAUCSL", "UNRATE"], start_date="2015-01-01", end_date="2024-12-31")get_coingecko_ohlcv
from findata.coingecko import get_coingecko_ohlcv
df = get_coingecko_ohlcv("bitcoin", vs_currency="usd", days=90)
# columns: open, high, low, close, volumeget_cboe_volatility_indices
from findata.cboe_volatility import get_cboe_volatility_indices
df = get_cboe_volatility_indices(symbols=["^VIX", "^VVIX"], start_date="2020-01-01", end_date="2024-12-31")get_sp500_composition
from findata.sp500_composition import get_sp500_composition
members = get_sp500_composition("2024-12-31") # list[str], ~503 tickersget_bloomberg_ticks — tick-level data for any security
Requires a Bloomberg Terminal, SAPI or B-PIPE entitlement and the SDK:
pip install blpapi --index-url https://bcms.bloomberg.com/pip/simple/from findata.bloomberg import get_bloomberg_ticks
# Every trade print in one US cash session, in New York time
ticks = get_bloomberg_ticks(
"AAPL US Equity",
"2024-06-03 09:30:00",
"2024-06-03 16:00:00",
tz="America/New_York",
)
# index = time (tz-aware)
# columns: security, type, value, size, conditionCodes, exchangeCode
# Trades AND top-of-book quotes, one hour per sub-request
book = get_bloomberg_ticks(
"ESZ5 Index",
"2024-06-03 13:30:00",
"2024-06-03 20:00:00",
event_types=["TRADE", "BID", "ASK"],
chunk="1h",
)
# VWAP straight from the prints
trades = ticks[ticks["type"] == "TRADE"]
vwap = (trades["value"] * trades["size"]).sum() / trades["size"].sum()The security string is passed to Bloomberg verbatim, so anything the
Terminal quotes works — "AAPL US Equity", "ESZ5 Index",
"EURUSD Curncy", "TY1 Comdty", "US912810TW33 Govt".
Long windows are sliced into chunk-sized sub-requests (default one day)
and concatenated, because Bloomberg truncates an oversized intraday
response silently rather than erroring. Bloomberg's own limits still
apply: intraday tick history reaches back roughly 140 days, and daily
volume caps are tied to your entitlement.
Reuse one session when looping over a universe — it avoids a connection handshake per name:
from findata.bloomberg import BloombergSession, get_bloomberg_ticks
with BloombergSession() as bbg:
frames = {
sym: get_bloomberg_ticks(sym, start, end, session=bbg)
for sym in universe
}Aggregate ticks into bars locally, at any pandas offset:
from findata.bloomberg import ticks_to_bars
bars = ticks_to_bars(ticks, rule="5min")
# columns: open, high, low, close, ticks, volume, vwapget_bloomberg_bars
from findata.bloomberg import get_bloomberg_bars
# 5-minute bars, aggregated server-side (much lighter than raw ticks)
bars = get_bloomberg_bars(
"AAPL US Equity",
"2024-06-03 09:30:00",
"2024-06-03 16:00:00",
interval=5, # minutes, 1-1440
tz="America/New_York",
)
# columns: security, open, high, low, close, volume, numEvents, valueget_bloomberg_data
from findata.bloomberg import get_bloomberg_data
# Historical daily series -> MultiIndex columns (field, security)
df = get_bloomberg_data(
tickers=["AAPL US Equity", "MSFT US Equity"],
fields=["PX_LAST", "VOLUME"],
start_date="2024-01-01",
end_date="2024-12-31",
)
close = df["PX_LAST"]
# Reference data -> rows=securities, cols=fields
ref = get_bloomberg_data(
tickers=["AAPL US Equity"],
fields=["CUR_MKT_CAP", "GICS_SECTOR_NAME"],
request_type="ReferenceDataRequest",
overrides={"BEST_FPERIOD_OVERRIDE": "1BF"},
)get_file_data
from findata.file_reader import get_file_data
df = get_file_data("data/prices.parquet", tickers=["AAPL"], start_date="2023-01-01", end_date="2023-12-31")Tests
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