Lunar.dev MCP Gateway (MCPX) vs SourceryKit: Side-by-Side Comparison (2026)

Lunar.dev MCP Gateway (MCPX): Gateway for securing, governing, and auditing AI agent access to MCP servers. built by Lunar.dev..

SourceryKit: Python SDK that verifies AI agent tool calls and data integrity at runtime. built by Provably..

Both serve the Agentic AI Security market but differ in approach, feature depth, and target audience.

Lunar.dev MCP Gateway (MCPX) is developed by Lunar.dev. SourceryKit is developed by Provably. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Lunar.dev MCP Gateway (MCPX) and SourceryKit serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover Agentic AI Security, LLM Security, MCP Security. Review the feature comparison above to determine which fits your requirements.