@wrtnlabs/calculator-mcp
v0.2.1 · 6 tools · source
82B/ 100
npx -y @wrtnlabs/calculator-mcp
Check breakdown
✓Tools exposed — Server exposed 6 tools.
• add
• div
• mod
• mul
• sqrt
• sub
✓Input schemas valid — All tools have a valid JSON-Schema input definition.
✓Tool naming — All tool names follow the recommended convention.
!Descriptions — 11 description issue(s) found.
add.a: parameter has no description
add.b: parameter has no description
div.a: parameter has no description
div.b: parameter has no description
mod.a: parameter has no description
mod.b: parameter has no description
mul.a: parameter has no description
mul.b: parameter has no description
sqrt.a: parameter has no description
sub.a: parameter has no description
sub.b: parameter has no description
→ Descriptions are the model's only guide to when/how to call a tool — treat them as prompt engineering.
→ Describe every tool and every parameter, including units, formats, and constraints.
!Tool annotations — 6 tool(s) declare no safety annotations.
• add
• div
• mod
• mul
• sqrt
• sub
→ Add annotations like readOnlyHint / destructiveHint so clients can gate risky calls.
→ A `title` annotation also gives clients a friendly display name.
✓Handshake + list latency — tools/list responded in 4ms.
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