ai-token-counter

Cloudflare Workers MCP server: ai-token-counter

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
80%
Naming quality
95%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~421Tokens (tool definitions)
~757 BTypical response size
Minimal attention impact (0.33% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "ai-token-counter": {
      "url": "https://api.lazy-mac.com/ai-token-counter/mcp"
    }
  }
}

Remote endpoints

https://api.lazy-mac.com/ai-token-counter/mcpstreamable-http

What it can do

Tool inventory

Tools (4)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢count_tokens(model, text, messages)

Count tokens for a text string or chat messages array for any supported AI model (GPT-4o, Claude, Gemini, Mistral, Llama).

Input Schema

{
  "type": "object",
  "properties": {
    "model": {
      "type": "string",
      "description": "Model ID, e.g. gpt-4o, claude-sonnet-4. Defaults to gpt-4o."
    },
    "text": {
      "type": "string",
      "description": "Plain text to count tokens for."
    },
    "messages": {
      "type": "array",
      "description": "Chat messages array in OpenAI/Anthropic format.",
      "items": {
        "type": "object"
      }
    }
  }
}
⚪estimate_cost(model, input_tokens, output_tokens, text, requests_per_day)

Estimate the cost of an AI API call given model and token counts or text. Returns input/output/total cost and optional monthly projection.

Input Schema

{
  "type": "object",
  "properties": {
    "model": {
      "type": "string",
      "description": "Model ID, e.g. gpt-4o, claude-opus-4, gemini-2.0-flash."
    },
    "input_tokens": {
      "type": "integer",
      "description": "Number of input tokens."
    },
    "output_tokens": {
      "type": "integer",
      "description": "Number of output tokens."
    },
    "text": {
      "type": "string",
      "description": "Text to tokenize for input (if input_tokens not given)."
    },
    "requests_per_day": {
      "type": "number",
      "description": "If given, adds daily/monthly/yearly cost projection."
    }
  },
  "required": [
    "model"
  ]
}
🟢get_model_pricing(model)

Get input/output pricing per 1M tokens for a specific AI model.

Input Schema

{
  "type": "object",
  "properties": {
    "model": {
      "type": "string",
      "description": "Model ID, e.g. gpt-4o, claude-haiku-3, llama-3-70b."
    }
  },
  "required": [
    "model"
  ]
}
🟢list_models

List all supported AI models with their pricing and context windows.

Input Schema

{
  "type": "object",
  "properties": {}
}

Community

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Evidence

Recent observations

verifiedversion not recorded4 tools
verifiedversion not recorded4 tools