# getBiggestGainers

Track the stocks with the largest price increases using the Top Stock Gainers API. Identify the companies that are leading the market with significant price surges, offering potential growth opportunities.

Agent View of the PolicyLayer registry record for `getBiggestGainers`. HTML page: https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbiggestgainers

## Facts

- Tool: `getBiggestGainers`
- Server: Financial Modeling Prep MCP Server (`financial-modeling-prep-mcp-server`) — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server.md
- Install: `npx -y financial-modeling-prep-mcp-server`
- Homepage: https://github.com/imbenrabi/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": "getBiggestGainers",
    "arguments": {}
  }
}
```

## Why getBiggestGainers is rated Low

This tool queries financial market data to retrieve information about stocks with the largest price increases. It performs no mutations, executions, or destructive operations. It is purely informational retrieval with no side effects, placing it firmly in the Read category with low severity.

From the tool's own definition: "Tool description uses 'Track', 'Identify', and 'offering potential growth opportunities' — all passive reconnaissance verbs. The endpoint is 'Top Stock Gainers API', which retrieves market data without modifying, executing, or deleting anything."

## Use case

AI agents call getBiggestGainers 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": {
    "getBiggestGainers": {}
  }
}
```

## Other tools on Financial Modeling Prep MCP Server (258)

- `calculateCustomDCF` — Execute — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/calculatecustomdcf.md
- `calculateCustomLeveredDCF` — Execute — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/calculatecustomlevereddcf.md
- `myTool` — Other — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/mytool.md
- `describe_toolset` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/describe-toolset.md
- `getAcquisitionOwnership` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getacquisitionownership.md
- `getActivelyTradingList` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getactivelytradinglist.md
- `getADX` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getadx.md
- `getAftermarketQuote` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getaftermarketquote.md
- `getAftermarketTrade` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getaftermarkettrade.md
- `getAllExchangeMarketHours` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getallexchangemarkethours.md
- `getAllIndexQuotes` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getallindexquotes.md
- `getAllIndustryClassification` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getallindustryclassification.md
- `getAllShareFloat` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getallsharefloat.md
- `getAnalystEstimates` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getanalystestimates.md
- `getAvailableCountries` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getavailablecountries.md
- `getAvailableExchanges` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getavailableexchanges.md
- `getAvailableIndustries` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getavailableindustries.md
- `getAvailableSectors` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getavailablesectors.md
- `getAvailableTranscriptSymbols` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getavailabletranscriptsymbols.md
- `getBalanceSheetGrowthBulk` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbalancesheetgrowthbulk.md
- `getBalanceSheetStatement` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbalancesheetstatement.md
- `getBalanceSheetStatementAsReported` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbalancesheetstatementasreported.md
- `getBalanceSheetStatementGrowth` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbalancesheetstatementgrowth.md
- `getBalanceSheetStatementsBulk` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbalancesheetstatementsbulk.md
- `getBalanceSheetStatementTTM` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbalancesheetstatementttm.md
- `getBatchAftermarketQuote` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbatchaftermarketquote.md
- `getBatchAftermarketTrade` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbatchaftermarkettrade.md
- `getBatchMarketCap` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbatchmarketcap.md
- `getBatchQuotes` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbatchquotes.md
- `getBatchQuotesShort` — Read — https://policylayer.com/tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbatchquotesshort.md
- …and 228 more: https://policylayer.com/tools/io-github-imbenrabi-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=io-github-imbenrabi-financial-modeling-prep-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-imbenrabi-financial-modeling-prep-mcp-server