AuraCalcs

Is AuraCalcs MCP server safe?

• No hidden instructions were found in its tool descriptions.
• Its error messages showed no secrets or internal details.
• All 2 of its tools are labeled read-only.
• Overall it scored 100/100 on 28 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

2 tools, in the server's own words.

Test results

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

• ✓
  ConnectsConnected in 284 ms
  pass
• ✓
  Ready for the newest MCP versionUses the latest MCP version (2026-07-28)
  pass
• ✓
  Lists its toolsFound 2 tools
  pass
• ✓
  Every tool is describedAll 2 tools and their inputs are described
  pass
• ✓
  Tools are labeled safe or dangerousEvery tool has a safety label
  pass
• ✓
  No hidden instructionsNo hidden instructions found in tool descriptions
  pass
• ✓
  Tools work with good inputs

  All good

  • ✓convert_hourly_to_salary: Answered with an error, probably because of our sample input: {"ok":false,"error":"Enter an hourly wage.","learnMoreUrl":"https://auracalcs.com/paycheck/paycheck-calculator/","disclaimer":"AuraCalcs pr…
  • –calculate_paycheck: Not run: labeled read-only, but its has a "amount" input, which usually means it changes something. Skipped to be safe: if it only reads, a clearer description helps AI apps too, or test again with --owner
  pass
• ✓
  Bad inputs give a clean errorRefused wrong type for "hourly" with a clear error
  pass
• ✓
  Fast enough

  All good

  • ✓Connecting took 284 ms
  • ✓Listing tools took 199 ms
  • ✓Average tool answer: 46 ms
  • ✓convert_hourly_to_salary: Slowest tool: convert_hourly_to_salary (46 ms)
  pass
• ✓
  No secrets leakedChecked 2 error messages: no secrets or internal details
  pass
• ✓
  Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guide
  pass
• –
  Tools work togetherNo safe tool returned data to start a chain from, so chains were not tested (not counted either way)
  not tested

Test it yourself

Free and open source. Same checks, same score.

Show this score on GitHub

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Score over time

• 28 Oct 2026100

One test so far. New tests will show here.

Reviews

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