MCP Shell Server (mako10k/mcp-shell-server) is an MCP server listed on the M8ven Trust Index. It scores 58 out of 100, grade D. It declares 13 tools. No publisher has claimed this listing.

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D
Caution
58/100

MCP Shell Server

A secure MCP server for shell operations, terminal management, and process control, enabling AI assistants to safely execute commands and manage interactive sessions.

→ mako10k/mcp-shell-server· 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.

How we verified

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Who stands behind it

mako10k

Source: Glama

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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
🚨
Known vulnerabilities in dependencies: 2 critical, 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 2 credentials: EXECUTOR_TOKEN, MCP_SHELL_LLM_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies2 critical3 high1 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@1.6.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@1.6.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

high@modelcontextprotocol/sdk@1.17.2GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.17.2GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.17.2GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// 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.
configBACKOFFICE_ENABLED, BACKOFFICE_PORT
configBACKOFFICE_PORTBACKOFFICE_ENABLED,
configEXECUTION_BACKENDand EXECUTOR_ for remote executor
configEXECUTOR_AUTOSTART
configEXECUTOR_HOST
configEXECUTOR_PORT
🔐 secretEXECUTOR_TOKEN
configEXECUTOR_URL
configMCP_DISABLED_TOOLS, LOG_LEVEL
configMCP_SHELL_ALLOWED_WORKDIRSMCP_SHELL_DEFAULT_WORKDIR,
configMCP_SHELL_BASIC_SAFE_CLASSIFICATION
configMCP_SHELL_DEFAULT_WORKDIR, MCP_SHELL_ALLOWED_WORKDIRS
configMCP_SHELL_ELICITATION"": "true"
configMCP_SHELL_ENABLE_NETWORK
configMCP_SHELL_ENABLE_PATTERN_FILTERING
configMCP_SHELL_ENABLE_STREAMING
configMCP_SHELL_ENHANCED_MODE
🔐 secretMCP_SHELL_LLM_API_KEYAPI key for LLM-based safety evaluation (optional, falls back to MCP sampling)
configMCP_SHELL_LLM_EVALUATION
configMCP_SHELL_LLM_MODEL
configMCP_SHELL_LLM_PROVIDER
configMCP_SHELL_LLM_TIMEOUTTimeout for LLM evaluation in seconds (default: 30)
configMCP_SHELL_MAX_EXECUTION_TIMEDefault maximum execution time in seconds
configMCP_SHELL_MAX_MEMORY_MBDefault maximum memory usage in MB
configMCP_SHELL_SECURITY_MODE"": "enhanced",
configMCP_SHELL_SKIP_SAFE_COMMANDS
configMCP_VALIDATION_CRITERIA_PATH
configSHELL
configTERM
configVALIDATOR_CRITERIA_PATH
// 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

13/13 tools missing one or more hints — shell_execute (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); process_get_execution (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); shell_set_default_workdir (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +10 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.

Tool test coverage

Only 1/13 tools referenced in tests (8%)

Write tests that reference each tool by name so every tool has at least one test.

Shell command execution

5 child_process calls — runs shell commands

Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.

Production dependencies are patched

0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.17.2 (high), @modelcontextprotocol/sdk@1.17.2 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Dev dependencies

2 critical/high in dev-only deps (does not ship to users)

Upgrade dev dependencies when convenient.

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 6 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: 60050b5b4262320c8d86f0e62903f6dd6359c68a
code hash: 97d68dc5d9dcd6c2270b3cf1a86c7aa4c00311cb17e4e6a1f1ff1d9a44ed6fce
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