MCPShark – Traffic Inspector for Model Context Protocol
https://github.com/mcp-shark/mcp-shark Site: https://mcpshark.sh/ I built MCPShark, a traffic inspector for the Model Context Protocol (MCP). It sits between your editor/LLM client and MCP servers so you can: • See all MCP traffic (requests, responses, tools, resources) in one place • Debug sessions when tools don’t behave as expected • Optionally run “Smart Scan” checks to flag risky tools / configs
MCPShark – Traffic Inspector for Model Context Protocol launched on December 10, 2025 with 37 votes, #475 of 11,628 launches that month and more than 90% of that year's launches.
In plain words
MCPShark is a traffic inspection tool for the Model Context Protocol that positions itself between an editor or LLM client and MCP servers. It allows developers to view all MCP traffic including requests, responses, tools, and resources in a single interface. The tool helps debug sessions when tools malfunction and includes an optional Smart Scan feature to identify risky tools and configurations. It is designed for developers working with MCP integrations who need visibility into protocol communication and troubleshooting capabilities.
written from the facts on this page · September 2026
Does a similar job
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A few days ago I posted MCPShark (a traffic inspector for the Model Context Protocol). I just shipped a VS Code / Cursor extension that lets you view MCP traffic directly in the editor, so you’re not jumping between terminals, logs, and "I think this is what got sent". VS Code Marketplace: https://marketplace.visualstudio.com/items?itemName=MCPShark... Main repo: https://github.com/mcp-shark/mcp-shark Feature requests / issues: https://github.com/mcp-shark/mcp-shark/issues Site: https://mcpshark.sh/ If…
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