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qubaomingg

@qubaomingg/stock-mcp

by qubaomingg

Alpha Vantage Stock MCP Server

This is a Model Context Protocol (MCP) server that provides stock market data from Alpha Vantage API. It allows Claude and other MCP clients to access real-time and historical stock data.

Features

  • Get intraday stock data with customizable intervals

  • Get daily stock data

  • Generate stock alerts based on price movements

  • Access stock data as resources

Related MCP server: Stock Market MCP Server

Prerequisites

  • Node.js 16 or higher

  • An Alpha Vantage API key (get one for free at Alpha Vantage)

Installation

  1. Clone this repository

  2. Install dependencies:

    npm install
  3. Create a .env file in the root directory and add your Alpha Vantage API key:

    ALPHA_VANTAGE_API_KEY=your_api_key_here

Building and Running

Build the TypeScript code:

npm run build

Run the server:

npm start

For development with auto-reloading:

npm run dev

Test the API client:

npm test

Using with Claude for Desktop

To use this MCP server with Claude for Desktop:

  1. Open Claude for Desktop

  2. Go to Settings > Developer > Edit Config

  3. Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "alpha-vantage": {
      "command": "node",
      "args": ["/absolute/path/to/dist/index.js"],
      "env": {
        "ALPHA_VANTAGE_API_KEY": "YOUR_API_KEY"
      } 
    }
  }
}

Replace /absolute/path/to/dist/index.js with the absolute path to the built index.js file.

  1. Restart Claude for Desktop

Available Tools

get-stock-data

Gets intraday stock data for a specific symbol.

Parameters:

  • symbol (required): Stock symbol (e.g., IBM, AAPL)

  • interval (optional): Time interval between data points (1min, 5min, 15min, 30min, 60min). Default: 5min

  • outputsize (optional): Amount of data to return (compact: latest 100 data points, full: up to 20 years of data). Default: compact

get-daily-stock-data

Gets daily stock data for a specific symbol.

Parameters:

  • symbol (required): Stock symbol (e.g., IBM, AAPL)

  • outputsize (optional): Amount of data to return (compact: latest 100 data points, full: up to 20 years of data). Default: compact

get-stock-alerts

Analyzes stock data to generate alerts based on price movements.

Parameters:

  • symbol (required): Stock symbol (e.g., IBM, AAPL)

  • threshold (optional): Percentage threshold for price movement alerts. Default: 5

Available Resources

stock-data

Access stock data directly as a resource.

URI Template: stock://{symbol}/{interval}

Parameters:

  • symbol: Stock symbol (e.g., IBM, AAPL)

  • interval: Time interval (daily, 1min, 5min, 15min, 30min, 60min). Default: daily

Example usage in Claude:

  • "Can you analyze this stock data: stock://AAPL/daily"

  • "What do you think about this data: stock://MSFT/5min"

License

ISC

Available Tools

3 tools
get-daily-stock-dataD
ParametersJSON Schema
NameRequiredDescriptionDefault
symbolYesStock symbol (e.g., IBM, AAPL)
outputsizeNoAmount of data to return (compact: latest 100 data points, full: up to 20 years of data)

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get-stock-alertsD
ParametersJSON Schema
NameRequiredDescriptionDefault
symbolYesStock symbol (e.g., IBM, AAPL)
thresholdNoPercentage threshold for price movement alerts (default: 5)

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get-stock-dataD
ParametersJSON Schema
NameRequiredDescriptionDefault
symbolYesStock symbol (e.g., IBM, AAPL)
intervalNoTime interval between data points (default: 5min)
outputsizeNoAmount of data to return (compact: latest 100 data points, full: up to 20 years of data)

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

TDQS

D1.4/5.0
Disambiguation1/5

The tools are highly ambiguous and overlapping. 'get-daily-stock-data' and 'get-stock-data' appear to serve nearly identical purposes, with no description to clarify their differences. 'get-stock-alerts' might be distinct but lacks context, making the overall set confusing and prone to misselection.

Naming Consistency5/5

The naming is perfectly consistent, using a kebab-case pattern with a 'get-' prefix followed by a noun phrase. All three tools follow this exact convention, making them predictable and easy to parse.

Tool Count2/5

With only 3 tools, the set feels thin and under-scoped for a stock data server. It lacks essential operations like search, update, or delete, and the limited coverage suggests it may not support comprehensive agent workflows in this domain.

Completeness1/5

The tool surface is severely incomplete for a stock data domain. It only provides 'get' operations with no ability to set, modify, or manage data (e.g., no create, update, delete, or search tools). This will cause significant agent failures in handling stock-related tasks.

Maintenance

ActivityInactive
ResponsivenessSyncing

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