How do I connect Jquants MCP Server to Claude?

The listing records `/path/to/jquants-mcp/.venv/bin/jquants-mcp` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code as compatible clients.

Is Jquants MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Jquants MCP Server do?

Jquants MCP Server documents 40 tools to the agent, including compare_close_vs_vwap, delete_api_key, detect_price_change. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Jquants MCP

Unclaimed

by shigechika

MCP server for Japanese stock market data via J-Quants API — tools for price history, financials, screeners, and candlestick charts

Install

$/path/to/jquants-mcp/.venv/bin/jquants-mcp

Set up this server

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This server needs project-specific setup. Follow the project instructions; no reusable public launch command is available yet.

Project instructions

claudefastmcpjapan-stockjquantsmcpsqlitestock-marketjpx

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Security profile

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40 of 40 tools

Documented tools (40)

From project documentation. A server handshake does not verify each tool’s description or behavior.

compare_close_vs_vwap

Compute the daily VWAP (Va / Vo) and compare to the close for a given code + date or date range.

delete_api_key

JQUANTSMCPUSER + MCPENCRYPTIONKEY

detect_price_change

Daily advance/decline summary (値上がり/値下がり銘柄数) and advance-decline ratio.

detect_price_limit

Find stocks that touched the daily upper/lower price limit (ストップ高/安) using the UL/LL flags. Optional close-at-limit refinement via C == H / C == L.

get_advance_decline_ratio

Cumulative advance/decline ratio (騰落レシオ) over the last period trading days. Default 25 (overbought >120, oversold <70).

get_bulk_download_url

/bulk/get

get_bulk_list

/bulk/list

get_derivatives_bars_daily_futures

/derivatives/bars/daily/futures

get_derivatives_bars_daily_options

/derivatives/bars/daily/options

get_derivatives_bars_daily_options_225

/derivatives/bars/daily/options/225

get_dividend_yield_ranking

High dividend yield stock ranking (高配当利回りランキング). Joins DivAnn from finssummary with AdjC to compute yieldpct = DivAnn / AdjC × 100. Skips interim reports with empty DivAnn.

get_earnings_results_this_week

(cache only)

get_earnings_this_week

(cache only)

get_equities_bars_daily

/equities/bars/daily

get_equities_bars_daily_am

/equities/bars/daily/am

get_equities_bars_minute

/equities/bars/minute

get_equities_earnings_calendar

/fins/earnings-date (Light+), /equities/earnings-calendar (Free)

get_equities_investor_types

/equities/investor-types

get_equities_master

/equities/master

get_fins_details

/fins/details

get_fins_dividend

/fins/dividend

get_fins_summary

/fins/summary

get_indices_bars_daily

/indices/bars/daily

get_indices_bars_daily_topix

/indices/bars/daily/topix

get_market_briefing

Composite daily briefing (相場ブリーフィング) — advance/decline + 25-day ADR + sector top/bottom + top movers + top turnover + screener highlights + value screen + TOPIX change in one call.

get_markets_breakdown

/markets/breakdown

get_markets_calendar

/markets/calendar

get_markets_margin_alert

/markets/margin-alert

get_markets_margin_interest

/markets/margin-interest

get_markets_short_ratio

/markets/short-ratio

get_markets_short_sale_report

/markets/short-sale-report

get_sector_briefing

Sector-level median PER, PBR, and ROE (業種別ブリーフィング) aggregated from the most recent FY financials. Split-adjusted. Sorted by PER ascending (cheapest first).

get_sector_performance

Sector-level average daily change (業種別騰落率) grouped by TSE 33 sectors (default) or 17 sectors (sectortype="s17").

get_top_movers

Top gainers/losers ranked by percentage price change. Returns code + name + changepct.

get_top_turnover_value

Top stocks by turnover value (売買代金ランキング, yen). Surfaces high-priced large-caps that dominate institutional flow, distinct from gettopvolume.

get_top_volume

Top stocks by trading volume (出来高ランキング, share count). Returns code + name + volume + turnovervalue.

get_valuation_ranking

PER/PBR valuation ranking (バリュエーションランキング). Joins latest-FY EPS/BPS with AdjC (split-adjusted) across all stocks; default 20 cheapest by PER. Excludes net-loss (EPS≤0, PER) / negative-book (BPS≤0, PBR). metric, minvalue/maxvalue, market, sector, discmonths filters.

get_value_stock_screen

Combined value screen (年安・割安・高配当・好決算スクリーニング) — ALL criteria must hold: close within nearlowpct % of the 52-week low (or fresh 52w low), PER < maxper AND PBR < maxpbr, forward dividend yield ≥ minyield %, and a profit-increase forecast (NxFNp/FNP > NP). Split-adjusted, REITs excluded, all-cache. Item

register_api_key

JQUANTSMCPUSER + MCPENCRYPTIONKEY

search_equities

(cache only)

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Jquants MCP Server

How do I connect Jquants MCP Server to Claude?: The listing records `/path/to/jquants-mcp/.venv/bin/jquants-mcp` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code as compatible clients.
Is Jquants MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Jquants MCP Server do?: Jquants MCP Server documents 40 tools to the agent, including compare_close_vs_vwap, delete_api_key, detect_price_change. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.