TheSkillVault

Is TheSkillVault MCP server safe?

• No hidden instructions were found in its tool descriptions.
• Its error messages showed no secrets or internal details.
• 3 of its 8 tools are labeled read-only; the others may change or send things.
• Overall it scored 81/100 on 31 Oct 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What it can do

8 tools, in the server's own words.

Test results

Safe mode: only tools labeled read-only were run. How the test works

• !
  Ready for the newest MCP version

  1 warning

  • !Uses an older MCP version (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
  note
• !
  Every tool is described

  1 warning

  • !list_skills: Inputs with no description: category
  note
• !
  Tools are labeled safe or dangerous

  1 warning

  • !5 of 8 tools have no safety label (read-only or dangerous): search_skills, get_skill, get_skill_file, list_skills, list_categories
  note
• !
  Follows MCP best practices (not scored yet)

  2 tips (not scored)

  • !5 tools not labeled read-only don't say whether running them twice is safe (idempotentHint): search_skills, get_skill, get_skill_file, list_skills, list_categories
  • !5 tools don't say whether they reach outside services like the web (openWorldHint): search_skills, get_skill, get_skill_file, list_skills, list_categories
  note
• !
  Resources and prompts work

  2 warnings (57 resources, 1 template, 19 prompts)

  • !skill://{name}: A made-up value (skill://qamcp-test) gets an internal error instead of a clean "not found": Skill qamcp-test not found
  • !Opening an address that doesn't exist crashes the request instead of saying "not found": Skill qamcp-does-not-exist-fd406c26 not found
  • and 2 more
  note
• ✓
  ConnectsConnected in 453 ms
  pass
• ✓
  Lists its toolsFound 8 tools
  pass
• ✓
  No hidden instructionsNo hidden instructions found in tool descriptions
  pass
• ✓
  Tools work with good inputs

  All good

  • ✓list_models: Worked (38 ms)
  • ✓list_bundles: Worked (36 ms)
  • ✓get_bundle: Answered with an error, probably because of our sample input: Bundle "test" not found. Available: standard-website, ai-chatbot-app, saas-mvp
  • –search_skills: Not run: no safety label (if you own this server, test again in owner mode)
  • –get_skill: Not run: no safety label (if you own this server, test again in owner mode)
  • –get_skill_file: Not run: no safety label (if you own this server, test again in owner mode)
  • –list_skills: Not run: no safety label (if you own this server, test again in owner mode)
  • –list_categories: Not run: no safety label (if you own this server, test again in owner mode)
  pass
• ✓
  Bad inputs give a clean error

  All good

  • ✓get_bundle: Refused missing required input "id" with a clear error
  • ✓get_bundle: Refused wrong type for "id" with a clear error
  pass
• ✓
  Tools work togetherlist_bundles → get_bundle: get_bundle found what list_bundles returned (id = "standard-website")
  pass
• ✓
  Fast enough

  All good

  • ✓Connecting took 453 ms
  • ✓Listing tools took 43 ms
  • ✓Average tool answer: 32 ms
  • ✓list_models: Slowest tool: list_models (38 ms)
  pass
• ✓
  No secrets leakedChecked 6 error messages: no secrets or internal details
  pass

Test it yourself

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Show this score on GitHub

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Score over time

• 31 Oct 202681

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use TheSkillVault, signed in with GitHub, one per person. Reviews never change the score.