Developer Tools●●Solid
Promptcellar – capture every Claude Code prompt as JSONL in your repo
Git-native prompt logging for Claude Code—audit trails stay in your repo, not vendor clouds.
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dominiek
601mo ago
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GitHub Repository
See what Claude Code and Codex actually send to the API — and what each part costs.
117 starsPython
Cost-Xray – per-token cost attribution, by tool, skill, prompt and more
by ruihanli·Jun 18, 2026·2 points·0 comments
AI Analysis
●●●BangerBig BrainSolve My Problem
Mitmproxy capture shows why each turn costs without touching agent config.
Strengths
- •Mitmproxy approach requires zero agent configuration changes to capture traffic
- •Attributes costs to system prompts, MCP servers, tool schemas, and cache hits
- •Local-only operation with no telemetry or API key requirements
Weaknesses
- •Only supports Claude Code and Codex, not other AI agents yet
- •macOS and Linux only, no Windows support mentioned
Category
Target Audience
Developers using Claude Code or Codex
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