Run any Skill in Manus
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Run any Skill in Manus with one click

observability

Parse native Claude and Codex logs into normalized usage metrics. Use when analyzing token burn, cost per task, model mix, or budget tracking. Do not use for runtime behavior changes.

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Overview

Parse native Claude and Codex logs into normalized usage metrics. Use when analyzing token burn, cost per task, model mix, or budget tracking. Do not use for runtime behavior changes.

Install command

npx skills add https://github.com/ANcpLua/codex-forge --skill observability

Copy and paste this command into Claude Code to install the skill

Source

ANcpLua/codex-forge

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UpdatedMarch 23, 2026 at 01:27

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SKILL.md

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Run any Skill with one click

name	observability
description	Parse native Claude and Codex logs into normalized usage metrics. Use when analyzing token burn, cost per task, model mix, or budget tracking. Do not use for runtime behavior changes.

Observability

Parse vendor-native log files. Normalize only the metrics layer. Do not normalize runtime behavior.

Normalized fields

provider, session, task, role, model,
input_tokens, output_tokens, cache_write, cache_read,
total_tokens, estimated_cost, prompt_hash, outcome

Workflow

Identify log source: ~/.claude/projects/ (JSONL) or Codex session logs.
Run the appropriate ingest script from scripts/.
Join sessions across providers using scripts/join_sessions.py.
Generate cost report with scripts/cost_report.py.

References

references/claude-log-schema.md — Claude JSONL field reference
references/usage-event-schema.md — Normalized UsageEvent schema

Scripts

scripts/ingest_claude_logs.py — Parse Claude JSONL into UsageEvents
scripts/ingest_codex_logs.py — Parse Codex logs into UsageEvents
scripts/join_sessions.py — Correlate sessions across providers by task_id
scripts/cost_report.py — Aggregate costs by day, model, role