I
io.github.arikusi/deepseek
@arikusi/deepseek-mcp-server
MCP server for DeepSeek AI with chat, reasoning, sessions, function calling, and cost tracking
No known CVEs
MIT license
Actively maintained
Last commit 4d ago
Works with most clients
Transport: stdio, sse, http
2 tools · ~505 tok
Grade B · 0.3% of 200K ctx
MCPpedia last refreshed this data
io.github.arikusi/deepseek is an MCP server that MCP server for DeepSeek AI with chat, reasoning, sessions, function calling, and cost tracking. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 86/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients - only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"deepseek": {
"url": "https://deepseek-mcp.tahirl.com/mcp",
"headers": {
"Authorization": "Bearer ${DEEPSEEK_API_KEY}"
}
}
}
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What io.github.arikusi/deepseek does
MCP server for DeepSeek AI with chat, reasoning, sessions, function calling, and cost tracking
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.
npx -y '@arikusi/deepseek-mcp-server' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Scored, not listed
Why this score
Five weighted categories - click any category to see the underlying evidence.
Score breakdown
86/100across 5 weighted dimensions
0255075100
30
15
16
15
10
−14
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.dev2 fixed
CVE-2026-55605medium · fixedCVSS 5.3
@arikusi/deepseek-mcp-server: Missing Authentication on Self-Hosted HTTP MCP Endpoint
## Summary The self-hosted HTTP transport of `@arikusi/deepseek-mcp-server` exposes `POST /mcp` without any authentication: `createMcpExpressApp` is called without an `authProvider` and no middleware guards the route, so any network-reachable client can issue an unauthenticated `initialize` request and obtain a valid MCP session identifier. In reproduced testing against commit `5e1302171e99`, an unauthenticated client was able to initialize a session, enumerate tools, and invoke the local `deeps
CVE-2026-55604high · fixedCVSS 8.6
@arikusi/deepseek-mcp-server has an Authorization Bypass Through User-Controlled Key
# Cross-Session Data Exposure via Caller-Controlled `session_id` Project / Repository: `arikusi/deepseek-mcp-server` Affected version / commit tested: `1.6.0` / `04f28be2c6e99d3d4e443a6ae37cc35f0a71554a` Vulnerability type: Authorization bypass / cross-session data exposure Authentication required: No ## Summary The process-global `SessionStore` accepts caller-supplied `session_id` values without binding them to any authenticated principal or transport session. An attacker can enumerate a
Inventory
Tools (2)
Click any tool to inspect its schema.
~505 tokens total
Inventory
Resources (3)
deepseek://modelsQuery model information
deepseek://models
deepseek://configQuery configuration settings
deepseek://config
deepseek://usageQuery usage statistics and cost tracking
deepseek://usage
Inventory
Prompts (2)
explain_quantum_computingUse DeepSeek to explain quantum computing
solve_math_problemAsk DeepSeek Reasoner to solve mathematical problems
Community
Reviews
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Frequently Asked Questions
- Is io.github.arikusi/deepseek safe to use?
- io.github.arikusi/deepseek has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.
- How do I install io.github.arikusi/deepseek?
- io.github.arikusi/deepseek supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What can io.github.arikusi/deepseek do?
- io.github.arikusi/deepseek provides 2 tools: deepseek_chat, deepseek_sessions. See the full tools list on the server page for descriptions and parameters.
- What AI clients work with io.github.arikusi/deepseek?
- io.github.arikusi/deepseek is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
- Is io.github.arikusi/deepseek actively maintained?
- io.github.arikusi/deepseek is actively maintained - last commit was 4 days ago. It has 26 GitHub stars.
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Community
Discussion
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