DuckStation MCP (snowyegret23/Duckstation_MCP) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 32 tools. No publisher has claimed this listing.

Back to MCP Trust IndexM8ven
C
Emerging
74/100

DuckStation MCP

Enables debugging of PlayStation games through DuckStation by providing MCP tools for execution control, register access, memory inspection, breakpoints, process management, and log analysis.

→ snowyegret23/Duckstation_MCP· listed on glama

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

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Who stands behind it

snowyegret23

Source: Glama

Is this your MCP?

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Install from

Glamanot scored here

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
// tools this server exposes32 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

connect

Open a GDB RSP connection to DuckStation.

disconnect

Close the GDB RSP connection. Does not affect the running emulator.

status

Current connection state: connected host/port and whether the emu is running.

pause

Interrupt the emulator CPU. Required for register inspection / single-step.

resume

Resume emulation. Memory reads still work while running.

step

Single-step one MIPS instruction. The CPU stays paused afterwards.

get_registers

Return MIPS registers as name→value. Emulator should be paused for stable values.

read_memory

Read ``length`` bytes at ``address``.

write_memory

Write hex-encoded bytes to ``address``. Length inferred from the hex string.

dump_memory

Dump ``length`` bytes at ``address`` into a binary file on disk.

dump_region

Dump a named PSX memory region to a file.

set_breakpoint

Set a breakpoint. ``kind`` is one of: exec (default), sw, hw, read, write, rw.

remove_breakpoint

Remove a previously-set breakpoint of the same kind.

list_breakpoint_kinds

Return the accepted breakpoint kind strings and their GDB RSP numeric types.

get_log_path

Return the resolved path to duckstation.log (override with ``path`` if custom).

tail_log_lines

Return the last ``lines`` lines of duckstation.log verbatim.

get_errors

Return log entries filtered to Error (and optionally Warning) level.

filter_log_lines

Flexible log filter. ``levels`` is a list of names from: error, warning, info, verbose, dev, debug, trace.

list_duckstation_processes

List currently-running DuckStation processes (pid, name, exe path).

launch_duckstation

Launch DuckStation without activating its window.

list_duckstation_windows

List visible DuckStation windows without changing focus or window state.

capture_duckstation_window

Capture an inactive or covered DuckStation window without restoring or activating it.

take_screenshot

Capture the emulated frame natively when GDB is connected, otherwise use inactive window capture.

configure_background_input

Enable background input and add keyboard plus optional XInput bindings.

background_input_status

Return native, keyboard, and optional XInput backend state without activating DuckStation.

input_button_press

Press and release a button through native input, keyboard, or optional XInput without focus.

input_buttons_send

Set multiple button states through native input, keyboard, or optional XInput.

input_analog_send

Set an analog stick through native input, XInput, or configured keyboard directions.

input_reset

Release keyboard and/or virtual controller state without focusing DuckStation.

kill_duckstation

Terminate all running DuckStation processes.

list_register_names

Return MIPS register names in the order get_registers() uses.

list_memory_regions

Return the PSX memory region presets known to dump_region.

// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

32/32 tools missing one or more hints — connect (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); disconnect (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); status (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +29 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tests exist

No test files found

Add tests that exercise each declared tool.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/snowyegret23/duckstation_mcp)](https://m8ven.ai/mcp/snowyegret23/duckstation_mcp)
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commit: c2570014e05b297728e2601bdef9859361e88db3
code hash: cd8be4040dcd070f7948f9df345cf8ed6404ffcc975484cddda326274ef89f27
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