sysinternals-mcp (sandraschi/sysinternals-mcp) is an MCP server listed on the M8ven Trust Index. It scores 50 out of 100, grade D. It declares 26 tools. No publisher has claimed this listing.

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D
Caution
50/100

sysinternals-mcp

FastMCP wrapper for Sysinternals CLI tools, enabling system diagnostics like process listing, handle inspection, and memory analysis through natural language.

→ sandraschi/sysinternals-mcp· listed on glama

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

sandraschi

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
⚠️
Tool descriptions don’t match what handlers do
1 tool describes read intent but its handler mutates — rammap_physical (line 42: proc = subprocess.run()
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
// tools this server exposes26 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.

accesschk

Check effective permissions on files, directories, registry keys, or services.

accesschk_service

Check effective permissions on a specific Windows service.

autorunsc

Scan startup programs, scheduled tasks, services, drivers, and browser extensions.

autorunsc_schedule

Scan only scheduled tasks autoruns (fast subset).

coreinfo

Show CPU topology, NUMA node layout, cache sizes, and feature flags.

du

Show disk usage for a directory tree, broken down by subdirectory.

du_quick

Quick disk usage summary for a directory (one level, no recursion into children).

handle64

List open handles and file locks on the system.

handle64_by_pid

List open handles for a specific process by PID.

listdlls

List all loaded DLLs across all processes with version info.

listdlls_by_pid

List loaded DLLs for a specific process by PID.

psfile

List files opened by remote systems via network shares.

psfile_close

Close a file opened by a remote system.

psinfo

Show detailed system information: OS version, uptime, hotfixes, services.

psinfo_remote

Show system info for a remote computer.

pslist

List processes with PID, CPU time, thread count, and handle count.

pslist_detail
psloggedon

List users logged on locally and optionally via network connections.

psloggedon_server

List users logged on to a remote server.

rammap_physical

Show physical memory usage breakdown by category.

rammap_processes

Show per-process memory usage: working set, private bytes, shareable, pagefile.

rammap_file_backed

Show file-backed page cache summary from system working set.

rammap_summary

Combined memory diagnostic: physical breakdown + top processes + file cache.

sigcheck

Verify file digital signatures, version info, and optionally check VirusTotal.

tcpvcon

List all TCP/UDP connections with owning process.

rammap_treemap

Generate a WizTree-style interactive treemap of process memory usage.

// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configSYSINTERNALS_CACHE_DIR
configMCP_PORTHTTP =11074 uv run sysinternals-mcp
configMCP_HOST
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// 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

26/26 tools missing one or more hints — accesschk (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); accesschk_service (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); autorunsc (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +23 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.

Descriptions match behaviour

1 tool describes read intent but its handler mutates — rammap_physical (line 42: proc = subprocess.run()

Rename the tool, rewrite the description, or move the side-effect into a separate clearly-named tool.

Tool inputs are validated

24/26 tool handlers declare input schemas (92%)

Declare an inputSchema with zod/joi/yup on every tool definition.

Tool handlers catch errors

Only 0/26 tool handlers wrap calls in try/catch (0%)

Wrap each tool handler body in try/catch and return a structured error response.

License file

No license file

Add a LICENSE file (MIT, Apache-2.0, etc.).

Tests exist

No test files found

Add tests that exercise each declared tool.

Tool description accuracy

rammap_physical: description implies read-only but handler writes/deletes/executes

Update tool descriptions to accurately reflect all capabilities — especially write, delete, or execute operations.

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 8 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
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commit: a680a87fbc4e5e732ada3ed343f5aa2497479365
code hash: d0a5c90dcb68be0be5ccb05c454b1e2c3ce1cfe34b2df8fd62de2bd322981c17
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