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Token Cost Estimator

Estimate API token costs from OpenClaw session transcripts. Analyzes all agent sessions to calculate what you'd pay on per-token pricing vs subscription plan...

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Estimate API token costs from OpenClaw session transcripts. Analyzes all agent sessions to calculate what you'd pay on per-token pricing vs subscription plan...

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Install for OpenClaw

Quick setup
  1. Download the package from Yavira.
  2. Extract the archive and review SKILL.md first.
  3. Import or place the package into your OpenClaw setup.

Requirements

Target platform
OpenClaw
Install method
Manual import
Extraction
Extract archive
Prerequisites
OpenClaw
Primary doc
SKILL.md

Package facts

Download mode
Yavira redirect
Package format
ZIP package
Source platform
Tencent SkillHub
What's included
SKILL.md

Validation

  • Use the Yavira download entry.
  • Review SKILL.md after the package is downloaded.
  • Confirm the extracted package contains the expected setup assets.

Install with your agent

Agent handoff

Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.

  1. Download the package from Yavira.
  2. Extract it into a folder your agent can access.
  3. Paste one of the prompts below and point your agent at the extracted folder.
New install

I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete.

Upgrade existing

I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run.

Trust & source

Release facts

Source
Tencent SkillHub
Verification
Indexed source record
Version
1.0.1

Documentation

ClawHub primary doc Primary doc: SKILL.md 5 sections Open source page

Token Cost Estimator

Estimate real API costs from OpenClaw session transcript data.

How It Works

OpenClaw stores session transcripts as JSONL files in ~/.openclaw/agents/<agent>/sessions/*.jsonl. Each line is a turn with role, content, and sometimes usage data.

Estimation Script

Run this Python script to analyze all agents: import json, glob, os AGENTS_DIR = os.path.expanduser('~/.openclaw/agents') # Pricing per million tokens (update as needed) PRICING = { 'opus': {'input': 15, 'output': 75, 'cache_read': 1.875}, 'sonnet': {'input': 3, 'output': 15, 'cache_read': 0.375}, } agent_dirs = [d for d in os.listdir(AGENTS_DIR) if os.path.isdir(os.path.join(AGENTS_DIR, d))] grand_in, grand_out = 0, 0 for agent in sorted(agent_dirs): sess_dir = os.path.join(AGENTS_DIR, agent, 'sessions') if not os.path.isdir(sess_dir): continue total_in, total_out, sessions = 0, 0, 0 for f in glob.glob(os.path.join(sess_dir, '*.jsonl')): sessions += 1 turns = [] for line in open(f): try: obj = json.loads(line) msg = obj.get('message', {}) if not isinstance(msg, dict): continue role = msg.get('role', '') raw = json.dumps(msg) turns.append((role, len(raw))) except: pass # Account for context re-sending cumulative = 0 for role, chars in turns: if role in ('user', 'system', 'tool'): cumulative += chars elif role == 'assistant': total_in += cumulative // 4 total_out += chars // 4 print(f'{agent}: {sessions} sessions, ~{total_in:,} input, ~{total_out:,} output tokens') grand_in += total_in grand_out += total_out print(f'\nTotal input: ~{grand_in:,}, output: ~{grand_out:,}') for tier, rates in PRICING.items(): for cache_pct in [0.6, 0.9]: cached = int(grand_in * cache_pct) uncached = grand_in - cached cost = (uncached/1e6)*rates['input'] + (cached/1e6)*rates['cache_read'] + (grand_out/1e6)*rates['output'] print(f'{tier} ({int(cache_pct*100)}% cache): ${cost:,.2f}')

Key Concepts

Context re-sending: Every API call sends the full conversation history as input. A 50-turn conversation re-sends all prior turns on each new message. This is the #1 cost driver. Cache hits: OpenClaw caches prompt prefixes. Typical cache hit rates: 60-90%. Cache reads cost 87.5% less than fresh input. What transcripts miss: System prompts, tool definitions, and internal retries aren't always logged. Real cost is typically 1.5-2x the transcript estimate.

Comparing Plans

PlanMonthly CostBest ForAPI (Opus)VariableHeavy agentic use (>$200/mo equivalent)API (Sonnet)VariableMost agent tasks, 5x cheaper than OpusClaude Max ($100)$100 flatLight-medium use via OAuth (if allowed)Claude Max ($200)$200 flatHeavy use via OAuth (if allowed) Break-even: If your estimated API cost exceeds your subscription price, the subscription saves money. Note: Anthropic has restricted OAuth token use in third-party tools.

Category context

Code helpers, APIs, CLIs, browser automation, testing, and developer operations.

Source: Tencent SkillHub

Largest current source with strong distribution and engagement signals.

Package contents

Included in package
1 Docs
  • SKILL.md Primary doc