# Yahoo Finance MCP

> Yahoo Finance MCP is an officially published MCP server from Yahoo Finance. Anomity scores its risk at 10 out of 100 (low).

- **Canonical URL:** https://catalog.anomity.ai/mcp/yahoo-finance-mcp
- **Kind:** MCP server
- **Publisher:** Yahoo Finance
- **Trust level:** official
- **Risk score:** 10/100 (low)
- **Website:** https://finance.yahoo.com
- **Last updated:** 2026-09-02
- **JSON:** https://catalog.anomity.ai/api/entries/mcp/yahoo-finance-mcp

## Description

An official remote MCP server for stock data, market news, and company financials, giving an agent read access to public market information without an API key management burden.

Outbound network access is the only declared capability, and the data is public, so this is among the lowest-risk entries in the catalog. As with any news-bearing tool, the content is written by third parties and reaches the model as text — an agent that summarises market news is summarising documents that could contain instructions, which matters only if that agent also holds capabilities worth abusing.

## Why it scored 10

The score starts at the catalog's neutral base of 50 and moves only through the signals below. The formula is published at https://catalog.anomity.ai/about — there is no model and no hidden heuristic.

| Signal | Contribution | Severity | Evidence |
| --- | --- | --- | --- |
| Published by the vendor | -40 | trust offset |  |

Clamped result: **10/100**, band **low**.

## Capabilities

| Capability | Name | Security implication |
| --- | --- | --- |
| `network:outbound` | Outbound network | Can make outbound network requests. Required for hosted model providers and remote APIs; also the path for data exfiltration if combined with read access. |

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Source: Anomity Catalog (https://catalog.anomity.ai/). Scoring methodology: https://catalog.anomity.ai/about. Machine-readable index: https://catalog.anomity.ai/llms.txt · https://catalog.anomity.ai/openapi.json