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MCP Lens: Wireshark for Model Context Protocol Servers
MCP servers are stdio-only black boxes. MCP Lens proxies the JSON-RPC stream, captures every frame, and serves a local inspector at localhost:4040.
3 articles

Agent runs are opaque. TraceTrail turns a Claude Code JSONL into a public share link with a stepped timeline of messages, tool calls, and tokens.

MCP servers are stdio-only black boxes. MCP Lens proxies the JSON-RPC stream, captures every frame, and serves a local inspector at localhost:4040.

Debug AI agent workflows with structured tool logging, context snapshots, decision traces, replay and Claude Code hooks to find broken loops and tool failures.
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