# getHistoricalSP500Changes

Retrieve historical data for the S&P 500 index using the Historical S&P 500 API. Analyze past changes in the index, including additions and removals of companies, to understand trends and performance over time.

Agent View of the PolicyLayer registry record for `getHistoricalSP500Changes`. HTML page: https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/gethistoricalsp500changes

## Facts

- Tool: `getHistoricalSP500Changes`
- Server: Financial Modeling Prep MCP Server (`vijitdaroch/financial-modeling-prep-mcp-server`) — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server.md
- Homepage: https://github.com/vijitdaroch/Financial-Modeling-Prep-MCP-Server
- Risk category: Read (Low risk)
- Registry record: grade D, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "getHistoricalSP500Changes",
    "arguments": {}
  }
}
```

## Why getHistoricalSP500Changes is rated Low

This tool performs a data query operation that returns historical information about S&P 500 composition and index changes. There are no modifications to data, no execution of code or commands, no irreversible deletions, and no financial transactions. The blast radius of misuse is minimal since an AI agent cannot cause harm through reading historical market data.

From the tool's own definition: "Tool retrieves historical data for the S&P 500 index including 'past changes in the index, additions and removals of companies' without modifying any data. The verb 'Retrieve' and 'Analyze' indicate read-only operations with no side effects."

## Use case

AI agents call getHistoricalSP500Changes to retrieve information from Financial Modeling Prep MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Financial Modeling Prep MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "getHistoricalSP500Changes": {}
  }
}
```

## Other tools on Financial Modeling Prep MCP Server (255)

- `calculateCustomDCF` — Execute — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/calculatecustomdcf.md
- `calculateCustomLeveredDCF` — Execute — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/calculatecustomlevereddcf.md
- `enable_toolset` — Execute — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/enable-toolset.md
- `get_toolset_status` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/get-toolset-status.md
- `getAcquisitionOwnership` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getacquisitionownership.md
- `getActivelyTradingList` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getactivelytradinglist.md
- `getADX` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getadx.md
- `getAftermarketQuote` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getaftermarketquote.md
- `getAftermarketTrade` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getaftermarkettrade.md
- `getAllExchangeMarketHours` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getallexchangemarkethours.md
- `getAllIndexQuotes` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getallindexquotes.md
- `getAllIndustryClassification` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getallindustryclassification.md
- `getAllShareFloat` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getallsharefloat.md
- `getAnalystEstimates` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getanalystestimates.md
- `getAvailableCountries` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getavailablecountries.md
- `getAvailableExchanges` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getavailableexchanges.md
- `getAvailableIndustries` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getavailableindustries.md
- `getAvailableSectors` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getavailablesectors.md
- `getAvailableTranscriptSymbols` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getavailabletranscriptsymbols.md
- `getBalanceSheetGrowthBulk` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbalancesheetgrowthbulk.md
- `getBalanceSheetStatement` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbalancesheetstatement.md
- `getBalanceSheetStatementAsReported` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbalancesheetstatementasreported.md
- `getBalanceSheetStatementGrowth` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbalancesheetstatementgrowth.md
- `getBalanceSheetStatementsBulk` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbalancesheetstatementsbulk.md
- `getBalanceSheetStatementTTM` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbalancesheetstatementttm.md
- `getBatchAftermarketQuote` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbatchaftermarketquote.md
- `getBatchAftermarketTrade` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbatchaftermarkettrade.md
- `getBatchMarketCap` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbatchmarketcap.md
- `getBatchQuotes` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbatchquotes.md
- `getBatchQuotesShort` — Read — https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server/getbatchquotesshort.md
- …and 225 more: https://policylayer.com/tools/vijitdaroch-financial-modeling-prep-mcp-server.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=vijitdaroch-financial-modeling-prep-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/vijitdaroch-financial-modeling-prep-mcp-server