A live demo with sample data: look around, nothing can be changed. Start a free trial or self-host it.

mcpspan

Errors

Last 7 days

ExportCSV

Failed calls

Older failures

book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 18:40 UTCChatGPT (openai-mcp)1.2ms
book_flightCrashedPaymentDeclined
Card was declined by the issuer
2026-10-19 16:35 UTCClaude (Claude Desktop)731ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 16:35 UTCClaude (Claude Desktop)1.4ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 16:22 UTCChatGPT (openai-mcp)2.1ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 15:12 UTCChatGPT (openai-mcp)1.1ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 13:46 UTCClaude (Claude Desktop)2.1ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 13:33 UTCCursor (cursor-vscode)1.8ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 13:33 UTCCursor (cursor-vscode)2.8ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 12:56 UTCClaude Code (claude-code)2.2ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 12:26 UTCClaude (Claude Desktop)1.3ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 11:53 UTCChatGPT (openai-mcp)3.7ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 10:39 UTCCursor (cursor-vscode)2.4ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 10:25 UTCCursor (cursor-vscode)1.4ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 10:25 UTCCursor (cursor-vscode)1.7ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 10:25 UTCCursor (cursor-vscode)2.5ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 09:43 UTCClaude (Claude Desktop)4.5ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 09:43 UTCClaude (Claude Desktop)2.1ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 09:02 UTCOther (windsurf)1.5ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 09:02 UTCOther (windsurf)4.9ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 09:02 UTCOther (windsurf)3.6ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 09:02 UTCOther (windsurf)1.9ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 09:02 UTCOther (windsurf)1.6ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-19 08:51 UTCClaude Code (claude-code)2.8ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-18 18:09 UTCClaude Code (claude-code)3.4ms
book_flightCrashedSeatNoLongerAvailable
Seat 14C was taken while you were booking
2026-10-18 16:05 UTCCursor (cursor-vscode)1.4s
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-18 12:45 UTCClaude Code (claude-code)1.6ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-18 12:45 UTCClaude Code (claude-code)1.8ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-18 12:45 UTCClaude Code (claude-code)2.1ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-18 12:43 UTCChatGPT (openai-mcp)1.9ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-18 12:43 UTCChatGPT (openai-mcp)1.2ms
book_flightInvalid arguments
The tool's schema refused the arguments before the handler ran.
2026-10-18 10:56 UTCMCP Inspector (inspector-cli)1.4ms

Every failed call in this window and filterCSV