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Chunk Overhead Calculator

Chunk Overhead Calculator MCP Connector for Claude

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Calculate token overhead and optimize chunking strategies for LLM context windows.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner
More Details Connect to Claude

This MCP server provides deterministic tools to quantify the token overhead introduced by text chunking. When preparing documents for LLMs, using overlap preserves semantic context but increases total token consumption. This tool allows you to calculate exact metrics like chunk count and overhead ratio, or find the optimal chunk size to minimize costs while maintaining your required minimum overlap. Use get_overhead_metrics to analyze specific configurations, get_optimal_configuration to minimize overhead, or get_recommended_parameters for standard 10% overlap suggestions.

tokenschunkingllmragoptimization

3 tools expose this connector's capabilities to your AI agent.

get_optimal_configuration

Suggests a chunk size that minimizes token overhead while satisfying a minimum context requirement

get_overhead_metrics

Calculates the exact impact of a specific chunking configuration on token usage

get_recommended_parameters

Provides a standard recommendation for chunking based on a 10% overlap rule

See how to talk to your AI agent using Chunk Overhead Calculator.

Calculate the overhead for a 10,000 token document with a chunk size of 500 and an overlap of 50.

For a 10,000 token document with 500 chunk size and 50 overlap, the chunk count is 23, the total tokens with overlap is 11,500, the overhead is 1,500 tokens, and the overhead ratio is 0.15.

What is the recommended chunk size for a 5,000 token document requiring at least 50 tokens of overlap?

The recommended chunk size is 500 tokens with a recommended overlap of 50 tokens.

Find the optimal chunk size for 20,000 tokens with a minimum overlap of 100.

The optimal chunk size to minimize overhead while maintaining 100 tokens of overlap is 1000 tokens, resulting in an overhead ratio of 0.1.

You can use the `get_overhead_metrics` tool. Provide the total document tokens, your chosen chunk size, and the overlap tokens to get the exact overhead ratio and total token count.

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