Tools (3)

get_etf_holdings
get_etf_allocation
report_feedback

get_etf_holdings

Get top portfolio holdings for an ETF or mutual fund.

Returns the largest holdings by market value from the fund's most recent
N-PORT-P filing (quarterly portfolio disclosure filed with SEC).

Each holding includes name, CUSIP, market value, percentage of NAV,
share count, asset category, and country of domicile.

Examples:
get_etf_holdings("SPY") → Top 25 holdings of SPDR S&P 500 ETF
get_etf_holdings("QQQ", limit=10) → Top 10 Invesco QQQ holdings
get_etf_holdings("VTI", limit=50) → Top 50 Vanguard Total Stock Market

Returns:
Fund name, report date, net assets, total holding count,
and a list of holdings with value, weight, and classification.

Parameter	Type	Required	Description
`ticker_or_cik`	`string`	required	ETF or mutual fund ticker (e.g. "SPY", "QQQ", "VTI") or numeric CIK.
`limit`	`integer`	optional	Maximum holdings to return, sorted by market value (default 25). (default: 25)

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "get_etf_holdings",
    "arguments": {
      "ticker_or_cik": "example"
    }
  }
}

get_etf_allocation

Get asset allocation breakdown for an ETF or mutual fund.

Returns portfolio composition grouped by asset category (equity, debt,
derivatives, etc.) and by country — from the most recent N-PORT-P filing.

Useful for understanding an ETF's diversification, geographic exposure,
and asset mix without reading the full holdings list.

Examples:
get_etf_allocation("SPY") → S&P 500 ETF allocation (mostly US equity)
get_etf_allocation("BND") → Vanguard Bond ETF allocation (debt categories)
get_etf_allocation("VT") → Vanguard Total World — global country breakdown

Returns:
Fund info, asset category breakdown with NAV percentages,
and country breakdown with NAV percentages.

Parameter	Type	Required	Description
`ticker_or_cik`	`string`	required	ETF or mutual fund ticker (e.g. "SPY", "QQQ", "BND") or numeric CIK.

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "get_etf_allocation",
    "arguments": {
      "ticker_or_cik": "example"
    }
  }
}

report_feedback

Report a bug, feature request, or general feedback for this data source.

Use this when something doesn't work as expected, when you'd like
a new feature, or when you have suggestions for improvement.

Args:
feedback: Describe the issue or suggestion.
feedback_type: One of 'bug', 'feature_request', or 'general'.

Parameter	Type	Required	Description
`feedback`	`string`	required
`feedback_type`	`string`	optional	(default: "general")

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "report_feedback",
    "arguments": {
      "feedback": "example"
    }
  }
}

Quick Start

Shell

curl -X POST "https://context.gnist.ai/mcp/etf/" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -H "Gnist-API-Key: YOUR_API_KEY" \
  -d '{"jsonrpc": "2.0", "method": "tools/call", "id": 1, "params": {"name": "get_etf_holdings", "arguments": {"ticker_or_cik": "example"}}}'

Python

import httpx

resp = httpx.post(
    "https://context.gnist.ai/mcp/etf/",
    headers={"Gnist-API-Key": "YOUR_API_KEY", "Content-Type": "application/json"},
    json={
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "get_etf_holdings",
    "arguments": {
      "ticker_or_cik": "example"
    }
  }
},
)
print(resp.json())