MCP-TrueNAS (PainInTheNic/MCP-TrueNAS) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.
An MCP server that lets Claude monitor and manage a TrueNAS box in plain English. It is deliberately read-only, providing tools to check alerts, storage pools, snapshots, services, and more.
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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PainInTheNic
Source: Glama
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`
axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge
Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig
Axios is vulnerable to DoS attack through lack of data size check
Axios: Header Injection via Prototype Pollution
TRUENAS_ALLOW_HTTPPlain-HTTP URLs are refused unless =1, because TrueNASTRUENAS_API_KEYEdit .env: set TRUENAS_URL and ; setTRUENAS_ENABLE_DESTRUCTIVEDestructive (opt-in — set BOTH TRUENAS_ENABLE_WRITE=1 and =1) — irreversible; destructiveHint:true; each requires a human elicitation confirmation and refuses if the client can't be prompted:TRUENAS_ENABLE_WRITEin. Safe, reversible writes are enabled with =1;TRUENAS_SKIP_TLS_VERIFY1 if the NAS uses its default self-signedTRUENAS_TEST_DATASETTesting writes safely: set =tank/mcp-test to restrictTRUENAS_URLEdit .env: set and TRUENAS_API_KEY; setTRUENAS_USERNAME( covers it).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
40/40 tools missing one or more hints — truenas_connection_status (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); truenas_get_system_info (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); truenas_list_pools (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +37 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 0/40 tools referenced in tests (0%)
Write tests that reference each tool by name so every tool has at least one test.
Shell command execution
1 child_process call — 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, 13 high severity in production deps — axios@1.7.9 (high), axios@1.7.9 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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[](https://m8ven.ai/mcp/paininthenic-mcp-truenas-f1mgpu)?variant=verified from the URL.Vetting this one by hand? Tool Check is an MCP that scores other MCPs. Add it once and ask Claude, ChatGPT, or any MCP client to grade a server, surface CVEs, check the publisher, and suggest safer alternatives — before you install.
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