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ILSpy-Mcp
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ILSpy-Mcp

Active·★ 75·MIT·Updated 2026-08-10

ILSpy MCP Server is a .NET 9-based Model Context Protocol (MCP) server that provides AI assistants with in-memory .NET assembly decompilation and structural analysis capabilities. It acts as a bridge, enabling LLMs to inspect, decompile, and analyze compiled .NET code directly via natural language.

#.NET#Decompilation#AI Assistant Tool#Model Context Protocol (MCP)#Assembly Analysis#JSON-RPC#Code Inspection
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Guides
$ Install
$ dotnet tool install -g ILSpyMcp.Server
↗ Visit site★ GitHub
01

Features

01In-memory .NET assembly decompilation and structural analysis
02Communication with AI clients via JSON-RPC 2.0 over standard input/output (stdio)
03Configurable operation timeouts and output size limits to protect LLM context windows
04Comprehensive toolset for assembly discovery, type inspection, and targeted decompilation
05Read-only disassembly and reflection operations with robust path validation
02

Compatibility

.NET 9.0 SDK
Runtime
Verified via docs
Model Context Protocol (MCP)
Protocol
Verified via docs
Claude Code
AI Client
Verified via docs
Cursor
AI Client
Verified via docs
Antigravity
AI Client
Verified via docs
Claude Desktop
AI Client
Verified via docs
03

Quick start

1
$ dotnet tool install -g ILSpyMcp.Server
04

Use cases

↳Analyze the high-level architecture of unfamiliar .NET libraries or assemblies.
↳Explore types, namespaces, and API surfaces within compiled .NET code.
↳Decompile specific classes, interfaces, structs, enums, or methods to understand their implementation logic.
↳Identify inheritance hierarchies and extension methods within .NET assemblies.
↳Search for members matching a substring or pattern across the assembly.
05

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bivex /
ILSpy-Mcp
↗

🔓 UNLEASH ILSpy'S POWER. Reverse-engineer DOTNET code at GOD SPEED. AI-assisted debugging that THINKS with you. Decompile ANYTHING. 🚀

75MIT
Last commit2mo ago
StatusActive
CategoryDev Tooling
Links
Documentation↗Discussion↗Issues↗Releases↗
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