Cruncher MCP Server
by islobodanio.github.islobodan/cruncher-mcpv1.2.29
Scientific calculator MCP server with 43 tools: arithmetic, trig, stats, unit conversion.
context tax
queued
security
queued
cold start
queued
freshness
Slowing3mo ago
Install Cruncher MCP server
Install in Claude Code
claude mcp add cruncher -- npx -y @slbdn/cruncher-mcpInstall in Cursor
{
"mcpServers": {
"cruncher": {
"command": "npx",
"args": [
"-y",
"@slbdn/cruncher-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"cruncher": {
"command": "npx",
"args": [
"-y",
"@slbdn/cruncher-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"cruncher": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@slbdn/cruncher-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"cruncher": {
"command": "npx",
"args": [
"-y",
"@slbdn/cruncher-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| CRUNCHER_TOOL_SET | — | — | Tool exposure tier: 'minimal' (5 tools), 'standard' (34 tools, default), or 'full' (43 tools) |
| CRUNCHER_TIMEOUT | — | — | Worker thread timeout in milliseconds for heavy calculations (default: 3000, range: 100-60000) |
Freshness
Slowing — last maintenance signal 3mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-05-20 · 5mo ago · GitHub
Latest release
2026-06-30 · 3mo ago · GitHub · 1.2.31
Package published
no data · npm/PyPI
Registry entry updated
2026-05-08 · 5mo ago · official registry · v1.2.29
FAQ
›How do I install the Cruncher MCP server in Claude Code?
Run: claude mcp add cruncher -- npx -y @slbdn/cruncher-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Cruncher require an API key?
No required environment variables are declared in its published metadata.
›Can I use Cruncher as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Cruncher in the official MCP registry?
Yes, as io.github.islobodan/cruncher-mcp.
Alternatives to Cruncher
Other science & research MCP servers.