Calculator

Last tested 2026-10-22

Score 85/100 · Last tested 2026-10-22 · Version tested 0.2.1 · Package mcp-server-calculator · Repo githejie/mcp-server-calculator

Summary: Calculator completed an MCP handshake without credentials and exposed 1 tools.

Test results

TestResultPointsEvidence
installpass20uv pip install mcp-server-calculator (Python venv, Linux) succeeded in 0s.
handshakepass30MCP initialize + tools/list over stdio succeeded with no credentials; 1 tools listed in 16.4s.
maintenancepartial15Repo pushed 75 days before test.
docspartial10install instructions present; mcpServers config example present. Automated check of the package's own README (PyPI long_description (package README)).
licensepass10MIT (OSI-approved).

Local-model readiness

Schema context cost: ~47 tokens for 1 tools (235 bytes) · about 1% of an 8k context. Method: tiktoken cl100k_base over compact JSON of name+description+inputSchema (approximate).

Small-model friendly (schema heuristic, not a model result): high.

Small-model task runs: Not yet tested.

Not tested

We did not test behavior with real credentials, security, or performance under load. These are planned; see methodology.

Tools listed

calculate

Config used in our test

{
  "mcpServers": {
    "calculator": {
      "command": "uvx",
      "args": [
        "mcp-server-calculator"
      ]
    }
  }
}

FAQ

Is Calculator deprecated?

No. mcp-server-calculator was not deprecated or archived when we last tested it on 2026-10-22.

What replaces Calculator?

Nothing; Calculator is not deprecated as of 2026-10-22.

Does Calculator need an API key?

No. It completed an MCP handshake with no credentials and listed 1 tools.

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Tested by TestedMCP: 85/100

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