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Use DeepSeek Chat & Reasoner models from any MCP client with sessions, fallback & cost tracking.
About
MCP Server for DeepSeek API integration that enables Claude Code, Gemini CLI, and other MCP-compatible clients to use DeepSeek models for chat and reasoning. Supports multi-turn conversation sessions, function calling, thinking mode, JSON output, model fallback with circuit breaker protection, and real-time cost tracking. Available as both a local stdio server and a hosted remote endpoint (BYOK).
What You'll Need
Set these up before or after installing:
Your DeepSeek API key. Sign up and generate one atRequired
Environment variable: DEEPSEEK_API_KEY
Sign up freeDefault model to use. Options: `deepseek-chat` or `deepseek-reasoner`. Default: `deepseek-chat`.
Environment variable: DEFAULT_MODEL
Custom API base URL for proxies or compatible endpoints. Default: `
Environment variable: DEEPSEEK_BASE_URL
Sign up freeEnable automatic model fallback on failures. Default: `true`.
Environment variable: FALLBACK_ENABLED
Session expiry time in minutes. Default: `30`.
Environment variable: SESSION_TTL_MINUTES
Getting Started
Once installed, try these example prompts and explore these capabilities:
- 1"Ask DeepSeek to review this code for security issues"
- 2"Start a multi-turn debugging session with DeepSeek Reasoner"
- 3"Compare the cost of using deepseek-chat vs deepseek-reasoner for this task"
- 4Tool: deepseek_chat — Send messages to DeepSeek models with optional sessions, thinking mode, function calling, and JSON output
- 5Tool: deepseek_sessions — List, clear, or delete multi-turn conversation sessions
- 6Resource: deepseek://models — View available models with capabilities and pricing
- 7Resource: deepseek://usage — Check real-time token usage and cost statistics
How to Install & Connect
Available as Local & Remote
This plugin can run on your machine or connect to a hosted endpoint. during install.
Security Report
10.0
Low Risk10.0Low RiskValid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.
Scanned 5 files · 1 finding
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
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Version History
v1.5.0Mar 9, 2026Re-scanned