KooLink URL Shortener

Shorten any long URL into a clean kool.ink link. Free, unlimited, no signup. AI-agent ready.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "koolink-url-shortener": {
      "command": "npx",
      "args": [
        "-y",
        "koolink-url-shortener"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

koolink

Shorten any URL to a clean kool.ink/xyz link from your terminal. Free, unlimited, no signup. AI-agent ready.

Terminal

npx @koolink/koolink https://example.com/very/long/path
# → https://kool.ink/abc123

Install

bash

# one-off (no install)
npx @koolink/koolink https://example.com

# or install globally
npm install -g @koolink/koolink
koolink https://example.com

Usage

bash

# Shorten a URL (prints the short link, copies to clipboard on desktop)
koolink https://example.com/very/long/path

# Shorten from stdin (great for piping)
echo "https://example.com" | koolink

# Shorten a batch
cat urls.txt | xargs -I{} koolink {}

Flag	Description
`--help` / `-h`	Show help
`--version` / `-v`	Show version

Install as an MCP server

Point any MCP client (Claude Desktop, Cursor, Windsurf, etc.) at the hosted MCP server at https://mcp.kool.ink — no API key required for anonymous shortening.

config.json

{
  "mcpServers": {
    "koolink": {
      "url": "https://mcp.kool.ink"
    }
  }
}

Tools

This server exposes the following MCP tools:

Tool	Description	Input
`shorten_url`	Shorten a long URL and return a compact kool.ink short link.	`{ "url": "<long-url>" }`

Why KooLink

Free forever — no account, no credit card, no limits
Clean, memorable URLs — kool.ink/xyz, not bit.ly/4xdK9qZ
AI-agent ready — same service over MCP at https://mcp.kool.ink, or the REST API
Analytics — every link is click-tracked with bot traffic filtered out
Creator Earning Programme — as traffic grows, you earn

API

The CLI calls the public anonymous endpoint:

Terminal

curl -X POST https://kool.ink/api/links \
  -H "Content-Type: application/json" \
  -d '{"url":"https://example.com"}'

For AI agents, use the MCP server at https://mcp.kool.ink (no API key needed for anonymous shortening).

License

MIT

Read the full README →View source on GitHub →

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Frequently Asked Questions about KooLink URL Shortener

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "koolink-url-shortener": { "command": "npx", "args": ["-y", "KooLink URL Shortener"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

27Quality signal: Emerging · 27/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools11/30

Adoption & activity1/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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Documentation Overview

koolink

Shorten any URL to a clean kool.ink/xyz link from your terminal. Free, unlimited, no signup. AI-agent ready.

Terminal

npx @koolink/koolink https://example.com/very/long/path
# → https://kool.ink/abc123

Install

bash

# one-off (no install)
npx @koolink/koolink https://example.com

# or install globally
npm install -g @koolink/koolink
koolink https://example.com

Usage

bash

# Shorten a URL (prints the short link, copies to clipboard on desktop)
koolink https://example.com/very/long/path

# Shorten from stdin (great for piping)
echo "https://example.com" | koolink

# Shorten a batch
cat urls.txt | xargs -I{} koolink {}

Flag	Description
`--help` / `-h`	Show help
`--version` / `-v`	Show version

Install as an MCP server

Point any MCP client (Claude Desktop, Cursor, Windsurf, etc.) at the hosted MCP server at https://mcp.kool.ink — no API key required for anonymous shortening.

config.json

{
  "mcpServers": {
    "koolink": {
      "url": "https://mcp.kool.ink"
    }
  }
}

Tools

This server exposes the following MCP tools:

Tool	Description	Input
`shorten_url`	Shorten a long URL and return a compact kool.ink short link.	`{ "url": "<long-url>" }`

Why KooLink

Free forever — no account, no credit card, no limits
Clean, memorable URLs — kool.ink/xyz, not bit.ly/4xdK9qZ
AI-agent ready — same service over MCP at https://mcp.kool.ink, or the REST API
Analytics — every link is click-tracked with bot traffic filtered out
Creator Earning Programme — as traffic grows, you earn

API

The CLI calls the public anonymous endpoint:

Terminal

curl -X POST https://kool.ink/api/links \
  -H "Content-Type: application/json" \
  -d '{"url":"https://example.com"}'

For AI agents, use the MCP server at https://mcp.kool.ink (no API key needed for anonymous shortening).

License

MIT

Frequently Asked Questions about KooLink URL Shortener

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "koolink-url-shortener": { "command": "npx", "args": ["-y", "KooLink URL Shortener"] } }