S
Mcp Sniffer
MCP Sniffer captures network traffic between MCP clients and servers and displays it in a web UI.
UnknownNot tested
24DNo CVEsunknown
Quick Install
{
"mcpServers": {
"mcp-sniffer": {
"command": "uvx",
"args": [
"mcp-sniffer"
]
}
}
}Are you the author?
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[](https://mcppedia.org/s/mcp-sniffer)
Should you use this server?
MCP Sniffer captures network traffic between MCP clients and servers and displays it in a web UI.
✓
Is it safe?
No known CVEs for mcp-sniffer.
No authentication — any process on your machine can connect.
License not specified.
~
Is it maintained?
Commit history unknown.
i
Will it work with my client?
Transport: stdio. Works with Claude Desktop, Cursor, Claude Code, and most MCP clients.
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.
uvx 'mcp-sniffer' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Score Breakdown
Security
19/30No known vulnerabilities.
✓
○
Tool safety — No tools to analyze
○
Tool poisoning — No tools to analyze
○
Injection vectors — No tools to analyze
✓
Tool stability — Tool definitions stable
○
Dependency health — found on deps.dev
✗
License — No license specified
○
Authentication — No authentication required
