A precision utility for estimating token counts and API costs for Claude LLMs to optimize context window management.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install claude-token-counter
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install claude-token-counter using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Claude Token Counter?
The Claude Token Counter is a specialized tool designed to help developers manage their interactions with Anthropic's Claude models efficiently. Since Claude's actual tokenizer is proprietary, this skill provides a high-fidelity approximation of token usage, allowing for better budget forecasting and context window management. By integrating this into your workflow through Openclaw Skills, you can prevent unexpected API overages and ensure your prompts fit within specific model constraints without manual calculation.
Claude Token Counter Use Cases
- Budget management and cost forecasting for high-volume API applications.
- Context window optimization to prevent data truncation in long conversations.
- API call optimization by analyzing token density before submission.
- Pre-processing large datasets to determine the most cost-effective chunking strategies.
How Claude Token Counter Works
- The user provides a text string and identifies the target model, such as Claude 3.5 Sonnet.
- The skill applies a sophisticated estimation algorithm tailored to match Claude's tokenization patterns.
- It calculates the projected API cost based on the current pricing tiers for the selected model.
- A detailed JSON response is returned, including the estimated token count and projected cost.
- The integrated SkillPay.me system handles the micropayment for the transaction automatically.
Claude Token Counter Setup
To utilize this skill within the Openclaw Skills ecosystem, you must have an active environment configured to handle SkillPay.me transactions. Each estimation call costs 0.001 USDT.
# Example of invoking the token counter via a standard skill runner
skill-run claude-token-counter --text "Hello, how are you today?" --model "claude-3-5-sonnet-20241022"
Claude Token Counter Data Schema & Taxonomy
The skill utilizes a straightforward input-output schema to facilitate easy integration into automated pipelines.
| Property | Type | Description |
|---|---|---|
text |
string | The input text to be measured. |
model |
string | The specific Claude model identifier. |
estimated_tokens |
integer | The approximate number of tokens in the text. |
estimated_cost |
float | The calculated cost based on model pricing. |
success |
boolean | Indicates if the estimation was successful. |
Claude Token Counter Advanced Features
- Context window alerts that provide chunking advice when text exceeds limits.
- Real-time pricing calculator synchronized with current Claude API rates.
- Seamless micropayment integration using SkillPay.me for pay-as-you-go flexibility.
- Support for the latest Claude 3.5 and legacy Claude 3 model families.
SKILL.md
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