The MCP server provides several tools to analyze and navigate code relationships.

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Code graph

Code graph support is available for TypeScript.
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index
tool
Index or re-index the code in a directory.
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analyze_function
tool
Analyze a function with a given name in the project.Returns code graph information about the function.

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LSP

LSP support is available for C/C++, C#, Go, Java, JavaScript, Python, PHP, Ruby, Rust, and TypeScript. See here which LSP servers we use.
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list_files
tool
List files in the current workspace.
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read_source
tool
Read source code for a file. Omit range to read the entire file; provide start/end lines to limit the output.
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definitions_in_file
tool
Retrieves symbol definitions for a specified file.
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find_definition
tool
Finds the definition of a symbol for a given position in a file. Includes the definition’s source code.
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find_identifier
tool
Finds an identifier by name within a file.
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find_referenced_symbols
tool
Retrieves any symbols and their definitions within the function body of the provided position. Great for retrieving functions invoked within a target function’s body.
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find_references
tool
Retrieves a symbol’s references. Can optionally specify the number of context lines before and after the reference symbol’s location.

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License management

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activate_subscription
tool
Validate a license key and activate the MCP server.
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resume_subscription
tool
Re-activate a resumed subscription using the previously expired license key.