# Stockflow (Yahoo Finance)

> Use this tool when you need to retrieve real-time stock market data and analysis for investment research, portfolio management, or algorithmic trading. It provides comprehensive stock information, historical price data, and options chain analysis through the Yahoo Finance API, with robust error handling and data processing. Ideal for financial analysts, traders, and AI assistants, it enables use cases such as portfolio analysis, options strategy evaluation, and real-time market monitoring.

Canonical page: https://skillsregistry.net/skills/twolven-stockflow  
JSON: https://api.skillsregistry.net/v1/skills/twolven-stockflow

## Description

This StockFlow MCP server, developed by Todd Wolven, provides AI assistants with real-time stock market data and analysis capabilities through the Yahoo Finance API. Built with Python and leveraging libraries like yfinance and pandas, it offers tools for retrieving comprehensive stock information, historical price data, and options chain analysis. The server implements robust error handling, data processing, and API rate limiting. By abstracting financial data retrieval and analysis, it allows AI systems to easily incorporate stock market insights into their workflows. This implementation is particularly valuable for financial analysts, algorithmic traders, and AI assistants focused on investment research, enabling use cases such as portfolio analysis, options strategy evaluation, and real-time market monitoring.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-04-25

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/twolven-stockflow)
- **Repository:** <https://github.com/twolven/mcp-stockflow>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "twolven-stockflow"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/twolven-stockflow` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/twolven-stockflow/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt
