Which integrations are available for this server?

Provides tools for debugging Windows executables by leveraging Wine's winedbg debugger and GDB, allowing headless debugging of Windows binaries from Linux/macOS hosts.

How do I use re-winedbg?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@re-winedbg debug example.exe with gdbserver on port 8000" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

re-winedbg

by Heretek-RE

Overview Schema Related Servers Score Discussions

Python

Local

re-winedbg — headless Windows-binary debugging from a Linux/macOS host

re-winedbg is the 10th MCP server in the RE-AI plugin. It drives the winedbg debugger shim (a gdbserver-compatible debugger that ships with Wine) plus a GDB client subprocess, so a Linux or macOS host can attach to a Windows .exe and step through it under the control of an AI agent. The server exposes 19 vendor-neutral tools covering the full debug lifecycle: launch, attach, breakpoints (symbol / RVA / absolute address), single-step, register and memory read/write, module / thread / backtrace enumeration, and a server-side trace-breakpoint helper that the v2.4 re-vm-reverse skill uses for dynamic dispatcher sampling.

The server reuses the persistent GDB subprocess plumbing from the re-gdb server (re_gdb.gdb_mi.GDBSession) for the gdb-client side, then layers Wine-specific launch, WINEPREFIX lifecycle, and gdbserver orchestration on top. Each session gets its own WINEPREFIX under ~/.cache/re-ai-wine/<session-id>/; the global ~/.wine is never touched.

Tools

Tool	Description
`check_winedbg`	Confirm `wine` + `winedbg` + `gdb` are installed (degraded-mode: returns WARN if missing).
`launch_under_wine`	Run a `.exe` under Wine (no debugger); returns the host-side PID.
`start_winedbg_gdbserver`	Spawn `winedbg --gdb <port> <exe>`; the binary is paused at entry.
`attach_winedbg_gdbserver`	Open a GDB client subprocess and `target remote` the gdbserver.
`set_breakpoint`	By symbol, `*<addr>`, or `<module>+0x<RVA>` (RVA resolved via the per-module base cache).
`remove_breakpoint`	By breakpoint id.
`continue_execution`	Resume; return the next stopped event.
`step_into` / `step_over` / `step_out`	Single-step primitives.
`read_registers` / `write_register`	GDB `info registers` / `set $reg = <val>`.
`read_memory` / `write_memory`	`x/...` / `set {<type>}<addr>`.
`info_modules`	`info sharedlibrary` parsed (drives the RVA cache).
`info_threads`	`info threads`.
`backtrace`	`bt <n>`.
`gef_trace_breakpoint`	Server-side `commands N; silent; printf ...; continue; end` with a hit counter.
`end_session`	Close GDB client, stop the gdbserver, `wineserver -k` the per-session prefix, kill the Wine process tree.

Related MCP server: Pwno MCP

Environment variables

Variable	Default	Used for
`WINEDBG_PATH`	`winedbg`	Path to the `winedbg` binary.
`WINE_PATH`	`wine`	Path to the `wine` binary.
`WINESERVER_PATH`	`wineserver`	Path to the `wineserver` binary.
`GDB_PATH`	`gdb`	Path to the `gdb` binary (read from `re_gdb.gdb_mi.get_gdb_path`).
`GEF_PATH`	`~/.gdb/gef.py`	GDB enhancement script (read from `re_gdb.gdb_mi.get_gdb_path`).
`RE_AI_SKIP_WINE`	unset	If `1`, `install.sh` skips the Wine install.

Install

install.sh (POSIX) installs wine + winedbg via apt / dnf / brew on a best-effort basis. Set RE_AI_SKIP_WINE=1 to opt out. On Windows, re-winedbg is not useful (the user has the native Windows debuggers; winedbg is a Linux/macOS compatibility shim) and the check_winedbg tool returns a structured {status: "ERROR", error: "host_not_supported"}.

# Linux (Debian / Ubuntu)
sudo apt-get install -y wine wine64 winedbg

# Linux (Fedora / RHEL)
sudo dnf install -y wine winedbg

# macOS
brew install --cask wine-stable

Per-session WINEPREFIX

Every start_winedbg_gdbserver / launch_under_wine call creates a fresh random WINEPREFIX under ~/.cache/re-ai-wine/<session-id>/ (overridable via the wine_prefix arg). The global ~/.wine is never touched, and end_session will refuse to wineserver -k any prefix that does not start with ~/.cache/re-ai-wine/. This guarantees we don't kill another Wine session the user has running.

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license - permissive license

quality - not tested

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