Glossary · term110 of 202
message_stop event
The event in Claude Code's transcript format that would carry the final output token count for a response, but is never written, causing recorded output tokens to undercount actual billable output.
also written as message stop · message_stop
Related terms
JSONLA text file format storing one JSON object per line rather than a single nested document, making it easy to append events without rewriting the whole file.view termcache readA token served from a prior prompt's cached context instead of being processed fresh, billed at a fraction of the base input price. Most tokens in a long agent session are cache reads, not new context.view termccusageA community tool that estimates API-equivalent dollar costs from Claude Code transcript files by converting logged token counts using published pricing.view term
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