DeepSeek-Claude MCP Server
This DeepSeek-Claude MCP Server enhances Claude's reasoning capabilities by integrating DeepSeek R1's advanced reasoning engine. It can:
Process complex queries requiring multi-step reasoning
Generate structured responses with precise and efficient reasoning outputs
Seamlessly integrate with Claude through
<ant_thinking>tagsAccept optional context to provide background information for queries
Be configured and run as an MCP server for Claude Desktop
Be set up via command-line with Smithery or manual installation methods
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@DeepSeek-Claude MCP Server explain the proof for Fermat's Last Theorem step by step"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
DeepSeek-Claude MCP Server
Enhance Claude's reasoning capabilities with the integration of DeepSeek R1's advanced reasoning engine. This server enables Claude to tackle complex reasoning tasks by leveraging the reasoning capabilites of deepseek r1 model.
π Features
Advanced Reasoning Capabilities
Seamlessly integrates DeepSeek R1's reasoning with Claude.
Supports intricate multi-step reasoning tasks.
Designed for precision and efficiency in generating thoughtful responses.
Related MCP server: DeepSeek-Claude MCP Server
Complete Setup guide
Installing via Smithery
To install DeepSeek-Claude for Claude Desktop automatically via Smithery:
npx -y @smithery/cli install @HarshJ23/deepseek-claude-MCP-server --client claudePrerequisites
Python 3.12 or higher
uvpackage managerDeepSeek API key (Sign up at DeepSeek Platform)
Clone the Repository
git clone https://github.com/harshj23/deepseek-claude-MCP-server.git cd deepseek-claude-MCP-serverEnsure UV is Set Up
Windows: Run the following in PowerShell:
powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"Mac: Run the following:
curl -LsSf https://astral.sh/uv/install.sh | sh
Create Virtual Environment
uv venv source .venv/bin/activateInstall Dependencies
uv add "mcp[cli]" httpxSet Up API Key
Obtain your api key from here : https://platform.deepseek.com/api_keysConfigure MCP Server Edit the
claude_desktop_config.jsonfile to include the following configuration:
{ "mcpServers": { "deepseek-claude": { "command": "uv", "args": [ "--directory", "C:\\ABSOLUTE\\PATH\\TO\\PARENT\\FOLDER\\deepseek-claude", "run", "server.py" ] } } }Run the Server
uv run server.pyTest Setup
Restart Claude Desktop.
Verify the tools icon is visible in the interface.

If the server isnβt visible, consult the troubleshooting guide.
π Usage
Starting the Server
The server automatically starts when used with Claude Desktop. Ensure Claude Desktop is configured to detect the MCP server.
Example Workflow
Claude receives a query requiring advanced reasoning.
The query is forwarded to DeepSeek R1 for processing.
DeepSeek R1 returns structured reasoning wrapped in
<ant_thinking>tags.Claude integrates the reasoning into its final response.
π License
This project is licensed under the MIT License. See the LICENSE file for details.
Available Tools
1 toolreasonB
Process a query using DeepSeek's R1 reasoning engine and prepare it for integration with Claude.
DeepSeek R1 leverages advanced reasoning capabilities that naturally evolved from large-scale
reinforcement learning, enabling sophisticated reasoning behaviors. The output is enclosed
within `<ant_thinking>` tags to align with Claude's thought processing framework.
Args:
query (dict): Contains the following keys:
- context (str): Optional background information for the query.
- question (str): The specific question to be analyzed.
Returns:
str: The reasoning output from DeepSeek, formatted with `<ant_thinking>` tags for seamless use with Claude.
Inputs: query (required).
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
Loading tool schema changelogβ¦
TDQS
Scored across 1 tool
With only one tool named 'reason', there is no possibility of confusion or overlap with other tools. The tool has a single, clearly defined purpose: processing queries through DeepSeek's R1 reasoning engine for Claude integration.
A single tool inherently demonstrates perfect naming consistency. The tool name 'reason' follows a clear verb-based pattern appropriate for its function, and there are no other tools to create inconsistency.
A single tool server is generally too minimal for most practical applications. While the tool itself performs a specific reasoning task, the server lacks complementary tools for broader reasoning workflows, making it feel incomplete as a standalone server.
The server is severely incomplete for a reasoning engine interface. It provides only query processing without any supporting tools for configuration, history management, different reasoning modes, or result validation. This creates significant gaps that will limit agent effectiveness.
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