How long can Claude Code go without an error?
npx cc-streak
Measures consecutive successful tool calls between errors across all your Claude Code sessions.
cc-streak — Error-Free Streaks in Claude Code
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Sessions: 1,994 | Streaks: 6,221 | Median: 12 | Max: 829
Streak length distribution:
1-2 calls █████████░░░░░░░░░░░ 16.7% (1,036)
3-5 ████████░░░░░░░░░░░░ 15.3% (954)
6-20 ████████████████████ 36.2% (2,254)
21-50 ████████████░░░░░░░░ 21.3% (1,328)
51-100 ████░░░░░░░░░░░░░░░░ 7.3% (455)
101+ ██░░░░░░░░░░░░░░░░░░ 3.1% (194)
Stats: median 12 | mean 22.3 | p90 52 | p99 161 | max 829
Streak breakers (which tool ends the run):
Bash ████████████████████ 51.5% (3,358)
Read █████████░░░░░░░░░░░ 24.0% (1,562)
Edit ████░░░░░░░░░░░░░░░░ 9.5% (617)
WebFetch ██░░░░░░░░░░░░░░░░░░ 5.8% (380)
Longest streak per session: median 16 | p90 50 | max 829
npx cc-streak # terminal output
npx cc-streak --json # JSON output
Open cc-streak and drop your ~/.claude/projects/ folder.
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