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io.github.cyanheads/calculator-mcp-server

cyanheads streamable_http Scanned 22d ago

A calculator MCP server that lets any LLM verify mathematical computations. Evaluate, simplify, and differentiate expressions via a single tool. Powered by math.js v15.

MCP Registry ↗ Smithery
B
87.4 / 100

Versions

No versions found.

PermissionsTool SafetyAuthAnnotationsCode QualityStabilitySpecVuln HistoryAuthorTransparencyCommunity

Tools 1

calculate
annotations: verified low

Evaluate math expressions, simplify algebraic expressions, or compute symbolic derivatives. One expression per call. Supports arithmetic, trigonometry, statistics, matrices, complex numbers, units, and combinatorics.

input object
readOnlyHint true openWorldHint false idempotentHint true

Permissions 3

network medium
Server uses network capabilities via: fetch()
shell high
Server uses shell capabilities via: child_process, spawn(), spawnSync()
env_vars low
Server uses env_vars capabilities via: process.env

Scan Findings 12

info
Tool 'calculate' annotations are consistent annotation_checker · 80%
info
Sandbox failed to start for behavioral verification behavioral_verifier · 100%
info
package.json metadata manifest_parser · 100%
info
Tool: calculate manifest_parser · 75%
info
Required env vars (6) manifest_parser · 80%
info
Sandbox failed to start for output poisoning scan output_poisoning · 100%
medium
Permission: network access detected permission_analyzer · 70%
high
Permission: shell access detected permission_analyzer · 95%
low
Permission: env_vars access detected permission_analyzer · 90%
info
SBOM generated: 12 components sbom_generator · 100%
high
Hardcoded Password found in cyanheads-calculator-mcp-server-49a2056/framework-skills/api-utils/references/security.md secret_scanner · 65%
medium
No build provenance detected (SLSA L0) slsa_assessor · 90%