MCP.Market

StockDrifts MCP server

online · 96% uptime
by stockdrifts.io·io.stockdrifts/mcp·v1.29.0
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Rated 13F funds with average buy prices, company KPIs, Japan investor ratings, Korea insider buys.

A89/100grade A
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StockDrifts tools (32)

write = sends, deletes, buys or posts
  • get_insider_summary_jpFree

    Pre-aggregated shareholding summary for one JP ticker

  • get_insider_summary_krFree

    Pre-aggregated insider summary for one KR ticker

  • get_investor_catalyst_record_usFree

    One fund's binary-event track record per sector, with best/worst calls The fund's record of holding names through binary events (price-defined single-day moves — readouts/FDA/buyouts in biotech, earnings/M&A elsewhere; not verified cause labels): one row per sector bucket, the 'all' rollup first, each with hits, blowups, hit rate, dollar-weighted impact, and the five best and worst resolved calls. 404 means the fund had no scored events in the window, not that it is a bad fund.

  • get_investor_changes_usFree

    QoQ position diff for one investor between two periods

  • get_investor_holdings_usFree

    Latest 13F holdings for one investor (or for a specific period)

  • get_investor_sector_exposure_usFree

    Sector-exposure history for one investor (newest quarter first) Per-quarter portfolio composition by sector for one 13F filer, including the biotech tier and top biotech positions. Use it to see whether a fund was already a sector specialist in earlier quarters, or how its sector mix is shifting. `unclassified_pct` reports how much top-50 value had no sector tag.

  • get_kpiFree

    Latest normalized KPI snapshot for one ticker

  • get_plan_executions_krFree

    Cross-reference one D005 plan against its actual executions

  • list_convergence_jpFree

    JP tickers with multiple distinct investors filing on the same name

  • list_insider_filings_jpFree

    Shareholding-report filings for one JP ticker

  • list_insider_trades_krFree

    Insider trades for one KR ticker

  • list_investor_filings_jpFree

    All JP filings made by one investor (EDINET code)

  • list_investor_periods_usFree

    All 13F periods on file for one investor

  • list_leaderboard_jpFree

    Top JP investors by star rating + avg return

  • list_leaderboard_krFree

    Top KR insiders by historical avg return on their buys

  • list_opportunities_jpFree

    Recent JP BUY/INITIAL filings whose price hasn't moved much yet

  • list_opportunities_krFree

    Recent KR open-market BUYs whose price hasn't moved much yet

  • list_plans_krFree

    KR pre-disclosure (D005) plans — announced but not yet executed trades

  • list_recent_filings_jpFree

    Recent JP filings across all tickers

  • list_recent_trades_krFree

    Recent KR insider trades across all tickers

  • list_ticker_holders_usFree

    Investors with `ticker` in their top-50 positions, sorted by position size Returns 13F filers that hold `ticker` **as one of their 50 largest positions**, scoped to the most recent reporting period by default. Only top-50 positions per investor are surfaced — smaller positions are not included. Pass an explicit `period` to query a different quarter.

  • list_top_buys_jpFree

    Top JP tickers by aggregated insider buying over a window

  • list_top_buys_krFree

    Top KR tickers by aggregated insider buying over a window

  • list_top_sells_jpFree

    Top JP tickers by aggregated insider selling over a window

  • list_top_sells_krFree

    Top KR tickers by aggregated insider selling over a window

  • screen_holdings_usFree

    Screen 13F holdings by period, ticker, value, and rating; returns each matched fund with only the position(s) that matched Results are wrapped in an envelope: `results` holds up to `limit` funds (max 500), `total_count` is the full server-side match count, and `truncated` says whether paging with `offset` would surface more. `period` accepts '2026-Q2' or an ISO date like '2026-06-30'.

  • screen_insidersFree

    Screen insider activity by country, date, value, role, and ticker Screens one market per call, selected by `country`: 'KR' returns individual insider transactions, 'JP' returns 5%+ shareholding reports. The response echoes `country` — switch on it before reading `results`, since the two markets return different record shapes. There is no US coverage; use the 13F screen for US institutional flows.

  • screen_investor_catalyst_record_usFree

    Screen funds by their track record on binary events (any sector) Ranks 13F filers by how their positions resolved through binary events — single-day moves >= ~25%, price-defined, NOT verified cause labels. In biotech these are trial readouts / FDA decisions / buyouts; elsewhere earnings blowups, guidance cuts, M&A. `sector='all'` (default) ranks across everything; `'biotech'` and lowercased sector names ('technology', 'energy', ...) scope the record. `hit_rate` = pops held / events decided; `impact_usd` is dollar-weighted (position value x event return). Always pass `min_events` (>= 5) — a perfect rate on 2 events is noise. Chain with `get_investor_holdings_us` to see what a proven event-caller is buying now, or `screen_investor_sector_exposure_us` to intersect with sector specialists.

  • screen_investor_sector_exposure_usFree

    Screen investors by sector concentration (e.g. top biotech specialists) Ranks 13F filers by the share of their portfolio in one sector, computed from sector-tagged top-50 holdings. `tier` buckets: specialist (>=60%), heavy (30-60%), tilted (10-30%), minimal (<10%). Interpretation caveats: corporate venture arms (Gilead, Pfizer, GSK) and single-stock endowments (e.g. Lilly Endowment holds only LLY) rank as specialists — pass `min_positions` (e.g. 5) to screen for genuinely diversified sector pickers. Chain with `get_investor_holdings_us` / `get_investor_changes_us` to see what a specialist is buying now.

  • search_companies_jpFree

    Search JP companies by stock_code, Japanese name, or English name

  • search_companies_krFree

    Search KR companies by stock_code, Korean name, or English name

  • search_investors_usFree

    Fuzzy-search investors by name; resolves to CIKs ordered by AUM Case-insensitive partial-name match against the latest-holdings view. Returns the largest funds first so the most likely match is at the top. Use this to resolve a manager name to a CIK before calling investor-axis tools (`get_investor_holdings_us`, `list_investor_periods_us`, `get_investor_changes_us`).

Public scan report

scanner v0.1.10 · 2026-10-14 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1763ms20/20
  • Tool poisoning32 tool descriptions checked15/15
  • Auth qualityAPI key sent as a header8/15
  • Maintenancelast push 8 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; website matches verified namespace9/10
Overall 89/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How StockDrifts compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
89/100
higher than 80% of 48,255 servers
Tools
32
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
96%
of our recent checks; the typical remote server answers 100%
Response time
82 ms
faster than 87% of 30,031 servers

What its tools let an agent do: 32 read

Install StockDrifts in Claude Code, Cursor or VS Code

claude mcp add --transport http mcp https://mcp.stockdrifts.io/mcp/
Add to Cursor

What the publisher says

From the StockDrifts repository's README, as published. We do not edit it. Read it on GitHub

StockDrifts MCP Server

Ownership data for AI agents: rated US 13F funds and their average buy prices, normalized company KPIs, Japanese large-shareholder filings with investor ratings, and Korean insider buys.

  • Hosted endpoint: https://mcp.stockdrifts.io/mcp/ (Streamable HTTP)
  • Tools: 32, all read-only
  • Auth: API key sent as a bearer header
  • Docs: https://www.stockdrifts.io/api-docs
  • Registry name: io.stockdrifts/mcp

This repository holds the connection configs, the registry manifest and an agent skill. The server itself is hosted by StockDrifts; there is nothing to build or run.

What is different about the data

Japanese 5%-rule reports are filings by large shareholders. They are not the same thing as US director and officer trade reports.

Connect

You need an API key. Create one at https://app.stockdrifts.io/settings/api-keys (API and MCP access is part of the Ultra plan, see pricing).

Replace sdlive... in the snippets below with your key, and keep any file that contains it out of version control.

Claude Code

claude mcp add --transport http stockdrifts https://mcp.stockdrifts.io/mcp/ \
  --header "Authorization: Bearer sd_live_..."

Or install this repository as a plugin (server plus skill). Claude Code asks for the key once and keeps it in your system's secure credential store:

/plugin marketplace add Stockdrifts/stockdrifts-mcp
/plugin install stockdrifts@stockdrifts

Claude Desktop, Cursor and other JSON-config clients

{
  "mcpServers": {
    "stockdrifts": {
      "type": "http",
      "url": "https://mcp.stockdrifts.io/mcp/",
      "headers": { "Authorization": "Bearer sd_live_..." }
    }
  }
}

Codex CLI

In ~/.codex/config.toml (Codex spells the field http_headers):

[mcp_servers.stockdrifts]
url = "https://mcp.stockdrifts.io/mcp/"
http_headers = { Authorization = "Bearer sd_live_..." }

One-command installer

The @stockdrifts/cli package registers a local stdio server with Claude Code, Claude Desktop, Cursor or Codex and stores the key in ~/.stockdrifts/config.json (mode 600), so no secret is written into the agent's own config:

npx -y @stockdrifts/cli@latest install all --key sd_live_...
npx -y @stockdrifts/cli@latest doctor

Example prompts

  • "Which 5-star 13F funds hold NVDA in their top positions, and what is each fund's average buy price?"
  • "What did this fund add and cut last quarter?"
  • "Show Korean open-market insider buys above ₩1bn in the last 30 days."
  • "Which pre-disclosed Korean insider buy plans have not been executed yet?"
  • "Which Japanese stocks have several investors filing 5% reports at the same time?"
  • "Give me the KPI history for this ticker."

Tools

US 13F funds

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

StockDrifts: common questions

Is StockDrifts MCP server safe?
Yes, by our scan: it is graded A (89/100). Read the StockDrifts safety report
How do I install StockDrifts?
It runs remotely at mcp.stockdrifts.io. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does StockDrifts need an API key?
Yes. The registry entry asks for Authorization.
Is StockDrifts maintained?
The last commit was 30 days ago (2026-10-05). The latest release is v1.29.0.
Is StockDrifts up?
96% of our last 28 checks got an answer. We check remote servers about four times a day.
How does StockDrifts compare with other MCP servers?
safety score 89/100 (higher than 80% of 48,255 servers); tools 32 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.