MCP App: Solution Dependency Graph — Interactive project relationship visualizer

[jongalloway]

Summary

Create an interactive dependency graph MCP App that visualizes project relationships and package dependencies in a solution.

MCP Apps Pattern: Exploring complex data

A solution's dependency structure — which projects reference which, shared packages, framework targets — is hard to grasp from text. An interactive graph lets users click project nodes to drill into their packages, hover to see framework targets, and toggle between project-to-project and package dependency views.

Design

• Graph visualization: SVG-based node graph showing projects as nodes and references as edges
• Click-to-drill: Click a project node to expand its package dependencies
• Hover details: Show framework target, output type, package count on hover
• View toggles: Switch between project references, package dependencies, and framework compatibility matrix
• Collapsible tree fallback: For large solutions, offer a tree view alternative

Data Sources

• SolutionAnalysisHelper.AnalyzeSolutionAsync() — project list, frameworks, shared packages, project types
• ProjectAnalysisHelper.AnalyzeDependenciesAsync() — transitive dependency relationships
• DotnetSolution tool with Analyze and Dependencies actions

Resource URI

ui://dotnet-mcp/solution-graph

Priority

High — strong visual differentiation from text-based output.