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io.github.cyanheads/calculator-mcp-server

cyanheads streamable_http Scanned 5d 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
? Not scanned yet

Versions

0.4.0latest
Jul 2, 2026
0.3.5
Jun 20, 2026
0.3.4
Jun 15, 2026
0.3.3
Jun 15, 2026
0.3.2
Jun 4, 2026
+ show 24 moreshow less
0.3.1
Jun 2, 2026
0.3.0
May 31, 2026
0.2.0
May 31, 2026
0.1.26
May 30, 2026
0.1.25
May 29, 2026
0.1.24
May 23, 2026
0.1.23
May 23, 2026
0.1.22
May 16, 2026
0.1.21
May 5, 2026
0.1.20
Apr 29, 2026
0.1.19
Apr 29, 2026
0.1.18
Apr 29, 2026
0.1.17
Apr 28, 2026
0.1.16
Apr 28, 2026
0.1.15
Apr 28, 2026
0.1.14
Apr 28, 2026
0.1.13
Apr 27, 2026
0.1.12
Apr 27, 2026
0.1.11
Apr 24, 2026
0.1.10
Apr 21, 2026
0.1.9
Apr 15, 2026
0.1.8
Mar 30, 2026
0.1.7
Mar 30, 2026
0.1.6
Mar 30, 2026

Tools 0

No tools indexed yet.

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 10

high
Hardcoded Password found in cyanheads-calculator-mcp-server-1756436/skills/api-utils/references/security.md secret_scanner · 65%
info
Sandbox failed to start for behavioral verification behavioral_verifier · 100%
info
package.json metadata manifest_parser · 100%
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%
medium
No build provenance detected (SLSA L0) slsa_assessor · 90%