ElkassabgiData

A growing family of free academic data libraries: finance, economics, and beyond (ElkassabgiData).

CommunityDegradedAPI key requiredGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    An API key from the service settings is required

    A growing family of free academic data libraries: finance, economics, and beyond (ElkassabgiData).

    How to connect

    How to connect ElkassabgiData to Claude

    The server address to paste into Claude settings:

    https://elkassabgidata-mcp.elkassabgi.workers.dev/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect ElkassabgiData to ChatGPT

    The server address to paste into ChatGPT settings:

    https://elkassabgidata-mcp.elkassabgi.workers.dev/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect ElkassabgiData to Cursor

    The server address to paste into Cursor settings:

    https://elkassabgidata-mcp.elkassabgi.workers.dev/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (11)

    Raw names from tools/list. Only developers need these.

    search_econ_seriesSearch the Econ Data Library catalog (billions of series from 300+ sources: national accounts, prices, trade, labor, energy, markets…). Free, no key needed. Returns series ids usable with get_econ_series.
    get_econ_seriesDownload an economic time series as rows (long format: date, value) with its citation and license. REQUIRES the free ElkassabgiData API key. Use date_from/date_to to window long series.
    get_econ_series_metadataFull metadata for one econ series: title, frequency, geography, unit, license (incl. commercial-use flag), attribution/citation, coverage dates. Free, no key needed.
    list_econ_sourcesList the Econ Data Library's sources (309: statistical offices, central banks, IGOs, research datasets) with their licenses. Free.
    get_data_freshnessLive per-source update status straight from the automated updater's ledger: last successful update, data frontier, and honest stale/failure flags (dates are NEVER fabricated — a silent upstream outage shows here as stale, not papered over). Free.
    get_hf_download_linkAuthenticated download instructions for HF Data Library's 1-minute OHLCV bars (full per-ticker history, 1,391 US stocks/ETFs, 2002→yesterday; parquet or csv) or the 25 pre-computed academic variables. Files are full-history (up to millions of rows) so they are fetched by YOUR code, not returned inline. Works with the same ElkassabgiData key.
    get_hf_variables_dictionaryThe exact definitions/formulas of HF Data Library's 25 pre-computed academic variables (realized volatility family, spreads, jumps, liquidity, data-quality). Verbatim from the published dictionary. Free.
    list_ip_bundlesList the IP Data Library's snapshot-pinned patent/innovation bundles (patent-level measures on 9.4M+ US patents; assignee-year panels) with sizes, vintages and download paths. Free, no key needed.
    get_ip_download_linkAuthenticated download instructions for an IP Data Library bundle — patent-level innovation measures (citations, originality/generality, grant lag, team size) or the assignee-year panel. Parquet, full-history files fetched by YOUR code, not returned inline. Works with the same ElkassabgiData key as every family library.
    get_family_statusLive status of the whole ElkassabgiData family: both libraries' headline stats and data currency. Free.
    get_auth_statusWhether this MCP connection has an ElkassabgiData API key configured (masked — the key itself is never echoed), and how to add one.