Greptile Summary

This PR introduces token and line limiting functionality to the MCP (Model Context Protocol) server's docs search and logs tools. The main changes include:

1. Docs Search Enhancement: The search_docs function now accepts a structured SearchDocsArgs parameter instead of a simple string query. This new structure includes a max_tokens field with a default value of 4000, allowing users to limit the amount of documentation content returned from the API.

2. Logs Output Limiting: A new lines parameter was added to the logs tool with a default of 50 lines. This is implemented through a new helper function limit_to_last_n_lines that truncates log output to show only the most recent N lines.

3. Code Modernization: The PR includes minor stylistic improvements, updating string formatting from format!("text: {}", variable) to the more modern format!("text: {variable}") syntax introduced in Rust 2021.

4. Dependency Formatting: A cosmetic change to the workspace Cargo.toml standardizes the tokio-tungstenite dependency declaration to use single-line feature arrays, consistent with other dependencies.

These changes fit into the broader MCP server architecture by providing better resource management and preventing oversized responses that could overwhelm AI clients or hit API limits. The structured parameter approach also makes the tools more extensible for future enhancements.

Important Files Changed

Confidence score: 4/5

• This PR is safe to merge with minimal risk as it primarily adds optional limiting parameters with sensible defaults
• Score reflects well-structured code changes that improve resource management without breaking existing functionality
• Pay close attention to mcp/src/tools/logs.rs for the new line limiting logic implementation

Context used:

Context - Include comments explaining the purpose of functions, especially for new or complex functionality. (link)

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