ASP.NET Core Debugger - MCP Server for AI Agents

An MIT-licensed MCP server that lets an AI agent (Claude, etc.) debug your .NET / ASP.NET Core app - netcoredbg bundled for every platform, nothing extra to install. Its 4 documented tools cluster into exception, hang, process, debugger.

People who need developer tools tools inside Claude, Cursor, VS Code, or another MCP client. The project is written in C#.

VERIFIED ACTIVE

LAST COMMIT 2026-07-31 · ★ 14 · #129 OF 139 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-08-25

MIT · C# · how we verify → /methodology

01 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

license MIT - declared in the repository

registry namespace io.github.magna-nz is GitHub-verified and matches the repo owner

02 · What ASP.NET Core Debugger - MCP Server for AI Agents can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

An agent gets 4 documented tools across exception, hang, process, including exception_autopsy, hang_analyze, process_read_output, debugger_health.

Capability map

Tools grouped from the project's README - what ASP.NET Core Debugger - MCP Server for AI Agents lets an agent do.

Exception

1 tool - e.g. One call: exception chain + top frames + locals + source snippet

exception_autopsy

Hang

1 tool - e.g. Auto-pause, classify each thread's blocking pattern (Monitor / Task / Semaphore / async / …)

hang_analyze

Process

1 tool - e.g. Drain the debuggee's stdout/stderr

process_read_output

Debugger

1 tool - e.g. Quick check that netcoredbg loaded and the bundled binary is reachable

debugger_health

Latest releases

v1.2.0 · 2026-06-27

Enrich debug_step and exception_autopsy with one-shot snapshots

v1.1.1 · 2026-06-22

Bust GitHub camo cache on the downloads badge · Use cacheSeconds=3600 on the downloads badge · Enrich breakpoint_wait with top-frame locals and recent output

v1.0.0 · 2026-06-01

Fix Glama badge rendering - bust camo cache with ?v=2 · Tighten README intro, add table of contents + downloads badge · Add NuGet downloads badge · Bound DebugSession output + trace buffers to fix runaway memory leak…

03 · Who maintains ASP.NET Core Debugger - MCP Server for AI Agents

ASP.NET Core Debugger - MCP Server for AI Agents is maintained by magna-nz. We track 2 MCP servers from magna-nz - 2 actively maintained, 19 combined GitHub stars, oldest repo from May 2026. Full record: all servers from magna-nz.

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04 · Facts

category
developer tools - ranked #129 of 139 actively-maintained developer tools servers as of 2026-08-25.
release cadence
4 releases in the last 90 days (latest 2026-06-27)
registry
io.github.magna-nz/aspnetcore-debugger-mcp (active, first published 2026-05-25 · 5 versions)
packages
nuget:AspNetCoreDebuggerMcp

05 · ASP.NET Core Debugger - MCP Server for AI Agents FAQ

Is ASP.NET Core Debugger - MCP Server for AI Agents still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-31 and it shipped 4 releases in the last 90 days. We re-verify nightly.

What can ASP.NET Core Debugger - MCP Server for AI Agents do?

An agent gets 4 documented tools across exception, hang, process, including exception_autopsy, hang_analyze, process_read_output, debugger_health.

06 · Alternatives to ASP.NET Core Debugger - MCP Server for AI Agents

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