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Pearl

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by Pearl-com
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Python
Apache 2.0
5
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Pearl MCP Server

A Model Context Protocol (MCP) server implementation that exposes Pearl's AI and Expert services through a standardized interface. This server allows MCP clients like Claude Desktop, Cursor, and other MCP-compatible applications to interact with Pearl's advanced AI assistants and human experts.

Features

  • Support for both stdio and SSE transports

  • Integration with Pearl API for AI and expert assistance

  • Session management for continuous conversations

  • Multiple interaction modes:

    • AI-only mode for quick automated responses

    • AI-Expert mode for AI-assisted human expert support

    • Expert mode for direct human expert assistance

  • Conversation history tracking

  • Stateful session management

Prerequisites

  • Python 3.12 or higher

  • Pearl API Key (Contact Pearl to obtain your API key)

  • pip or uv package manager

Installation

  1. Clone the repository:

git clone https://github.com/Pearl-com/pearl_mcp_server.git cd pearl_mcp_server

  1. Create a virtual environment and activate it:

python -m venv .venv source .venv/bin/activate # On Windows: .venv\Scripts\activate

  1. Install dependencies:

pip install -e .

Configuration

  1. Create a .env file in the src directory:

PEARL_API_KEY=your-api-key-here

Running the Server

Local Development

Start the server using either stdio (default) or SSE transport:

# Using stdio transport (default) pearl-mcp-server --api-key your-api-key # Using SSE transport on custom port pearl-mcp-server --api-key your-api-key --transport sse --port 8000

Using Remote Server

Pearl provides a hosted MCP server at:

https://mcp.pearl.com/mcp

This can be used directly with any MCP client without installing the Python application locally.

Available Tools

The server provides the following tools:

  1. ask_pearl_ai

    • Quick AI-only responses without human review

    • Best for general inquiries and non-critical situations

    • Parameters:

      • question: The user's query

      • chat_history (optional): Previous conversation context

      • session_id (optional): For continuing conversations

  2. ask_pearl_expert

    • AI-assisted human expert support

    • Best for complex topics requiring expert verification

    • Parameters: Same as ask_pearl_ai

  3. ask_expert

    • Direct human expert assistance

    • Best for complex or sensitive topics

    • Parameters: Same as ask_pearl_ai

  4. get_conversation_status

    • Check the status of an active conversation

    • Parameter: session_id

  5. get_conversation_history

    • Retrieve full conversation history

    • Parameter: session_id

Expert Categories

Pearl's MCP server provides access to a wide range of expert categories. The appropriate expert category is automatically determined by Pearl's API based on the context of your query, ensuring you're connected with the most relevant expert for your needs.

Here are the main categories of expertise available:

  • Medical & Healthcare

    • General Medicine

    • Dental Health

    • Mental Health

    • Nutrition & Diet

    • Fitness & Exercise

    • Veterinary Medicine

  • Legal & Financial

    • Legal Advice

    • Tax Consultation

    • Financial Planning

    • Business Law

    • Employment Law

    • Real Estate Law

  • Technical & Professional

    • Software Development

    • IT Support

    • Computer Repair

    • Electronics

    • Mechanical Engineering

    • Home Improvement

  • Education & Career

    • Academic Tutoring

    • Career Counseling

    • Resume Writing

    • Test Preparation

    • College Admissions

    • Professional Development

  • Lifestyle & Personal

    • Relationship Advice

    • Parenting

    • Pet Care

    • Personal Styling

    • Interior Design

    • Travel Planning

Each expert category can be accessed through the ask_expert or ask_pearl_expert tools. You don't need to specify the category - simply describe your question or problem, and Pearl's AI will automatically route your request to the most appropriate expert type based on the context.

Connecting with MCP Clients

Local Connection (stdio transport)

For connecting to a local MCP server using stdio transport, add the following configuration to your MCP client:

{ "pearl-mcp-server": { "type": "stdio", "command": "pearl-mcp-server", "args": ["--api-key", "your-api-key"], "env": { "PEARL_API_KEY": "Your Pearl Api Key" } } }

Remote Connection using mcp-remote

Some MCP clients don't support direct connection to remote MCP servers. For these clients, you can use the mcp-remote package as a bridge:

  1. Prerequisites:

    • Node.js 18 or higher

    • npm (Node Package Manager)

  2. Configuration for remote server:

{ "mcpServers": { "pearl-remote": { "command": "npx", "args": [ "mcp-remote", "https://mcp.pearl.com/sse" ] } } }

  1. Configuration file locations:

    • Claude Desktop:

      • Windows: %APPDATA%\Claude\claude_desktop_config.json

      • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json

    • Cursor: ~/.cursor/mcp.json

    • Windsurf: ~/.codeium/windsurf/mcp_config.json

  2. Additional Options:

    • Force latest version: Add @latest to npx command

    "args": ["mcp-remote@latest", "https://mcp.pearl.com/sse"]

  3. Troubleshooting:

    • Clear stored credentials: rm -rf ~/.mcp-auth

    • View logs:

      • Windows (PowerShell): Get-Content "$env:APPDATA\Claude\Logs\mcp.log" -Wait -Tail 20

      • macOS/Linux: tail -n 20 -F ~/Library/Logs/Claude/mcp*.log

    • Test connection: npx mcp-remote-client https://mcp.pearl.com/sse

Custom Python Client

import asyncio from mcp.client.session import ClientSession from mcp.client.stdio import StdioServerParameters, stdio_client async def main(): # For stdio transport async with stdio_client( StdioServerParameters(command="pearl-mcp-server", args=["--api-key", "your-api-key"]) ) as (read, write): async with ClientSession(read, write) as session: await session.initialize() # List available tools tools = await session.list_tools() print(tools) # Call Pearl AI result = await session.call_tool( "ask_pearl_ai", { "question": "What is MCP?", "session_id": "optional-session-id" } ) print(result) asyncio.run(main())

API Key

To obtain a Pearl API key for using this server:

  1. Visit Pearl Contact Page

  2. Request an API key for MCP server integration

  3. Follow the provided instructions to complete the registration process

Keep your API key secure and never commit it to version control.

License

This project is licensed under the Apache License 2.0 - see the LICENSE file for details.

This server cannot be installed

-
security - not tested
A
license - permissive license
-
quality - not tested

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Pearl

  1. Features
    1. Prerequisites
      1. Installation
        1. Configuration
          1. Running the Server
            1. Local Development
            2. Using Remote Server
          2. Available Tools
            1. Expert Categories
              1. Connecting with MCP Clients
                1. Local Connection (stdio transport)
                2. Remote Connection using mcp-remote
                3. Custom Python Client
              2. API Key
                1. License

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