io.github.lazymac2x/ai-token-counter

Official4 toolsLive

by lazymac2x

Cloudflare Workers MCP server: ai-token-counter

io.github.lazymac2x/ai-token-counter (Cloudflare Workers MCP)

Cloudflare Workers MCP server that provides an ai-token-counter service. It exposes functionality via REST + MCP (JSON-RPC 2.0) and is described as being live at api.lazy-mac.com/ai-token-counter. The server includes 4 tools, and is identified by the slug io.github.lazymac2x/ai-token-counter.

🛠️ Key Features

Cloudflare Workers MCP server: ai-token-counter
REST + MCP (JSON-RPC 2.0)
Live endpoint: api.lazy-mac.com/ai-token-counter
4 tools

🚀 Use Cases

Use REST or MCP (JSON-RPC 2.0) to access an ai token counter service

⚡ Developer Benefits

MCP support using JSON-RPC 2.0
REST access available for integration

⚠️ Limitations

No additional capabilities or parameters are specified beyond the REST + MCP (JSON-RPC 2.0) description and tool count

Captured live from the server via tools/list.

count_tokens

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

Parameters3

model	string	optional	Model ID, e.g. gpt-4o, claude-sonnet-4. Defaults to gpt-4o.
text	string	optional	Plain text to count tokens for.
messages	array	optional	Chat messages array in OpenAI/Anthropic format.

Raw 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

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

Parameters5

model	string	required	Model ID, e.g. gpt-4o, claude-opus-4, gemini-2.0-flash.
input_tokens	integer	optional	Number of input tokens.
output_tokens	integer	optional	Number of output tokens.
text	string	optional	Text to tokenize for input (if input_tokens not given).
requests_per_day	number	optional	If given, adds daily/monthly/yearly cost projection.

Raw 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

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

Parameters1

model

string

required

Model ID, e.g. gpt-4o, claude-haiku-3, llama-3-70b.

Raw 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.

Parameters

No parameters.

Raw schema

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

Install

Tools (4)

count_tokensestimate_costget_model_pricinglist_models

Remote endpoint

Streamable HTTP

Hosted server - connect over the network, no local install.

url

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

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "ai-token-counter": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://api.lazy-mac.com/ai-token-counter/mcp"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.

io.github.lazymac2x/ai-token-counter

io.github.lazymac2x/ai-token-counter (Cloudflare Workers MCP)

🛠️ Key Features

🚀 Use Cases

⚡ Developer Benefits

⚠️ Limitations

count_tokens

estimate_cost

get_model_pricing

list_models

ai-token-counter-api

Install

Remote endpoint

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