#78 · Primary category： AI DevOps & SRE Tools
MCPSpy
MCP Monitoring with eBPF
Project last updated：01/16/26
GitHub Stars
517
Forks
79
Contributors
4
License
Apache-2.0
Why we included this project
MCPSpy watches MCP traffic from the kernel side, using eBPF to capture the JSON-RPC 2.0 messages moving between clients and servers over stdio and HTTP/HTTPS transports, including server-sent events. Hooking into system calls rather than instrumenting the application means it runs as a Linux CLI tool without any code changes on the observed side. That makes it a solid debugging instrument when an MCP integration misbehaves or a tool call fails, and it also helps with security: detecting prompt injection attempts and seeing which tools get invoked with what data. Teams running agents, MCP gateways, or shared model services will find it useful for compliance and performance troubleshooting as well.
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