# finance_stock

Returns live quote: price, 24h change, day high/low, volume, market cap, PE. Yahoo Finance. For equity trading, portfoli Cost: $0.005–$0.05 USDC on Base per call.

Agent View of the PolicyLayer registry record for `finance_stock`. HTML page: https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/finance-stock

## Facts

- Tool: `finance_stock`
- Server: Omnicall — Agent Tools Gateway (`https://omnicall.gocreativeai.com/mcp`) — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools.md
- Homepage: https://github.com/https://omnicall.gocreativeai.com/mcp
- Risk category: Read (Low risk)
- Registry record: grade C, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 1 (1 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `arg` | string | yes |  |

Parameters from the server's own tool schema.

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

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "finance_stock",
    "arguments": {
      "arg": "<arg>"
    }
  }
}
```

## Why finance_stock is rated Low

This is a data retrieval tool that queries financial market information. While it operates in the financial domain, it performs no financial transactions, does not move money, does not commit financial obligations, and produces no side effects. The read-only nature of querying stock quotes for informational purposes places it firmly in the Read category.

From the tool's own definition: "Tool returns live quote data (price, 24h change, day high/low, volume, market cap, PE) from Yahoo Finance. No mutations, no transactions, no irreversible operations described."

## Use case

AI agents call finance_stock to retrieve information from Omnicall — Agent Tools Gateway 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 Omnicall — Agent Tools Gateway:

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

## Other tools on Omnicall — Agent Tools Gateway (78)

- `ai_ask` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-ask.md
- `ai_eco` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-eco.md
- `ai_extract` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-extract.md
- `ai_image` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-image.md
- `ai_music` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-music.md
- `ai_pro` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-pro.md
- `ai_research` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-research.md
- `ai_sandbox` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-sandbox.md
- `ai_speech` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-speech.md
- `ai_summarize` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-summarize.md
- `ai_transcribe` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-transcribe.md
- `ai_ultra` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-ultra.md
- `ai_video` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/ai-video.md
- `crypto_chains` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-chains.md
- `crypto_defi_tvl` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-defi-tvl.md
- `crypto_dex` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-dex.md
- `crypto_exchanges` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-exchanges.md
- `crypto_fear_greed` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-fear-greed.md
- `crypto_gas` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-gas.md
- `crypto_global` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-global.md
- `crypto_history` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-history.md
- `crypto_market` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-market.md
- `crypto_price` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-price.md
- `crypto_protocols` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-protocols.md
- `crypto_stablecoins` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-stablecoins.md
- `crypto_treasury` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-treasury.md
- `crypto_trending` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-trending.md
- `crypto_yields` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/crypto-yields.md
- `defi` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/defi.md
- `dex` — Read — https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools/dex.md
- …and 48 more: https://policylayer.com/tools/com-gocreativeai-omnicall-agent-tools.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=com-gocreativeai-omnicall-agent-tools · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/com-gocreativeai-omnicall-agent-tools