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get_symbol_dependency_graph

Map dependency graphs for TypeScript symbols to trace affected code, detect circular imports, and identify dead code using forward, reverse, or bidirectional traversals.

Instructions

Retrieves a bidirectional or directed dependency graph mapped to individual declarations, functions, and variables.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
directionNoGraph traversal directionbidirectional
file_pathYesAbsolute path to the TypeScript source file
symbol_nameNoTarget export symbol. If omitted, maps all symbols in the file
project_rootYesAbsolute path to the TypeScript project root (must contain tsconfig.json)
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations are absent, so the description carries the burden. It adds useful behavioral context by mentioning 'bidirectional or directed' and 'mapped to individual declarations, functions, and variables,' but it does not disclose return format, edge-case behavior, or whether the operation is read-only.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no redundant words. It efficiently conveys the action, resource, and scope.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The tool lacks an output schema and annotations, so the description must compensate. It covers the core purpose and direction parameter, but does not specify the return structure, how to interpret the graph, or potential limitations. For a simple retrieval tool, this is adequate but with clear gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 100% schema coverage, the baseline is 3. The description adds value by specifying the graph's granularity ('individual declarations, functions, and variables'), which complements the symbol_name parameter's semantics. However, it does not add new meaning beyond the schema for other parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a specific verb 'Retrieves' and resource 'dependency graph' with a clear scope modifier 'mapped to individual declarations, functions, and variables.' This clearly distinguishes it from the sibling tool get_dependency_graph, which likely operates at a different granularity.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus get_dependency_graph or other sibling tools. There is no mention of appropriate contexts, prerequisites, or exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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