Koskamo

JigWell MCP

JigWell provides a pay-per-call MCP server offering 64 tools for code formatting, data processing, financial calculations, scientific computations, and web fetching. It allows AI assistants to perform complex tasks like balancing equations, amortizing loans, and checking JSON validity with transparent pricing and automatic refunds for failed calls.

Visit JigWell

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

JigWell MCP logo, by JigWellVendor evidenceStreamable HTTPOAuth sign-inEndpoint checked 2026-11-01Operated by JigWell
You need:Create an accountEnter an email, get an API key and 1,000 free credits
MCP endpoint (Streamable HTTP)
https://jigwell.site/mcp
Vendor documentation

What you can do with it

  • Amortize a car loan and calculate total interest
  • Balance chemical equations and analyze DNA sequences
  • Validate and pretty-print JSON with sorted keys
  • Check for outdated dependencies in package.json

Source and maintenance

Vendor evidenceRegistry 0.11.1
mcp-registry: site.jigwell/jigwell@0.11.1Project website

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
447 ms
95th percentile latency
447 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 447 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http jigwell-mcp https://jigwell.site/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add jigwell-mcp --url https://jigwell.site/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable jigwell-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "jigwell-mcp": {
      "url": "https://jigwell.site/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "jigwell-mcp": {
      "type": "streamableHttp",
      "url": "https://jigwell.site/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start jigwell-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "jigwell-mcp": {
      "type": "http",
      "url": "https://jigwell.site/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http jigwell-mcp https://jigwell.site/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "jigwell-mcp": {
      "url": "https://jigwell.site/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "jigwell-mcp": {
      "serverUrl": "https://jigwell.site/mcp"
    }
  }
}

Let your agent find its tools

Find servers like JigWell MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows
See all 6,829

Do you run JigWell MCP?

Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.

Claim this listing