SERVER

Cruncher

Rank #73,795

io.github.islobodan/cruncher-mcp

Scientific calculator MCP server with 43 tools: arithmetic, trig, stats, unit conversion.

1 version

1 GitHub stars

by islobodan (2 servers)View repository ↗

First listed

Mar 11, 2026

Last publish date

May 8, 2026

PURPOSE

What you can do with Cruncher

Cruncher is a Model Context Protocol (MCP) server published by islobodan. It ranks #73,795 of 167,945 active servers on MCP Toplist, and its repository has 1 GitHub stars. Cruncher is listed across 4 registries — Official MCP, Glama, PulseMCP and mcp.so, with 1 tracked version. It was first listed on Mar 11, 2026 and most recently updated on May 8, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Cruncher can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Cruncher

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Declared by Glama, last synced Nov 3, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

CRUNCHER_TOOL_SET · optional
CRUNCHER_TIMEOUT · optional

INSTALLATION AND FIRST TASK

Connect Cruncher and confirm it works

npm package

claude mcp add cruncher-mcp -e "CRUNCHER_TOOL_SET=<your CRUNCHER_TOOL_SET>" -e "CRUNCHER_TIMEOUT=<your CRUNCHER_TIMEOUT>" -- npx -y @slbdn/cruncher-mcp

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.cruncher-mcp]
command = "npx"
args = ["-y", "@slbdn/cruncher-mcp"]

[mcp_servers.cruncher-mcp.env]
CRUNCHER_TOOL_SET = "<your CRUNCHER_TOOL_SET>"
CRUNCHER_TIMEOUT = "<your CRUNCHER_TIMEOUT>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "cruncher-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@slbdn/cruncher-mcp"
      ],
      "env": {
        "CRUNCHER_TOOL_SET": "<your CRUNCHER_TOOL_SET>",
        "CRUNCHER_TIMEOUT": "<your CRUNCHER_TIMEOUT>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "cruncher-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@slbdn/cruncher-mcp"
      ],
      "env": {
        "CRUNCHER_TOOL_SET": "<your CRUNCHER_TOOL_SET>",
        "CRUNCHER_TIMEOUT": "<your CRUNCHER_TIMEOUT>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "cruncher-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@slbdn/cruncher-mcp"
      ],
      "env": {
        "CRUNCHER_TOOL_SET": "<your CRUNCHER_TOOL_SET>",
        "CRUNCHER_TIMEOUT": "<your CRUNCHER_TIMEOUT>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "cruncher-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@slbdn/cruncher-mcp"
      ],
      "env": {
        "CRUNCHER_TOOL_SET": "<your CRUNCHER_TOOL_SET>",
        "CRUNCHER_TIMEOUT": "<your CRUNCHER_TIMEOUT>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "cruncher-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@slbdn/cruncher-mcp"
      ],
      "env": {
        "CRUNCHER_TOOL_SET": "<your CRUNCHER_TOOL_SET>",
        "CRUNCHER_TIMEOUT": "<your CRUNCHER_TIMEOUT>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by islobodan

CotForce-MCP#78,554

View all islobodan servers →

No task-specific alternatives are catalogued for Cruncheryet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Mar 11, 2026
Latest version published: May 8, 2026
Version history: 1 version tracked (below)
Requirements evidence: Declared by Glama, last synced Nov 3, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Nov 3, 2026

Registry sightings

Official MCP ↗listed since May 8, 2026 · still listed
Glama ↗listed since Jun 4, 2026 · still listed
PulseMCP ↗listed since Jun 4, 2026 · still listed
mcp.so ↗listed since Aug 25, 2026 · still listed

Do you maintain Cruncher? to correct or enrich this profile.

VERSIONS

Available versions (1)

Version	Published
1.2.29	May 8, 2026

STANDING

#73,795of 167,945 active serversTop 50%

Ranks ahead of 94,150 of 167,945 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.islobodan%2Fcruncher-mcp.svg)](https://mcptoplist.com/server/io.github.islobodan%2Fcruncher-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.islobodan%2Fcruncher-mcp"><img src="https://mcptoplist.com/badge/io.github.islobodan%2Fcruncher-mcp.svg" alt="MCP Toplist: Top 50% of 167,945" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Cruncher?: Cruncher is maintained by islobodan, which publishes 2 MCP servers (2 total versions) tracked on MCP Toplist.
Is Cruncher listed on the Official MCP Registry?: Yes — Cruncher is listed on the Official MCP Registry, alongside Glama, PulseMCP and mcp.so.
How many versions does Cruncher have?: MCP Toplist tracks 1 version of Cruncher, most recently published on May 8, 2026.
Where can I find the source code for Cruncher?: The source code for Cruncher is hosted at github.com/islobodan/cruncher-mcp.

Used in projects

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