{
  "markdown": "# URL Shortener API\n\n[![MCP Server](https://img.shields.io/badge/MCP-server-blue)](https://url-shortener.api.klymax402.com/mcp)\n[![x402](https://img.shields.io/badge/payments-x402-6E56CF)](https://x402.org)\n[![License: MIT](https://img.shields.io/badge/license-MIT-green)](LICENSE)\n\nShorten URLs using hash-based approach. Returns a compact shortened URL. Pay-per-call via [x402](https://x402.org) (USDC on Base L2) -- no API key, no signup, no rate-limit wall.\n\nPart of the [klymax402](https://klymax402.com) marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.\n\n## Quickstart -- MCP\n\nAdd to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):\n\n```json\n{\n  \"mcpServers\": {\n    \"url-shortener\": {\n      \"url\": \"https://url-shortener.api.klymax402.com/mcp\"\n    }\n  }\n}\n```\n\n## Quickstart -- HTTP (x402)\n\n```bash\ncurl -X POST \"https://url-shortener.api.klymax402.com/api/shorten\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"url\":\"https://example.com\"}'\n# -> 402 Payment Required, with an x402 payment challenge in the response body\n```\n\nAny x402-aware client ([`@x402/fetch`](https://www.npmjs.com/package/@x402/fetch), [`x402-agent-tools`](https://www.npmjs.com/package/x402-agent-tools), ATXP) handles the 402 -> sign -> retry cycle automatically.\n\n## Tools\n\n| Tool | Method | Path | Price | Description |\n|---|---|---|---|---|\n| `utility_shorten_url` | POST | `/api/shorten` | $0.003 | Shorten a URL and return the shortened version |\n\n### `utility_shorten_url`\n\nUse this when you need to shorten a long URL into a compact link. Accepts any valid URL and returns a shortened URL with the hash code, original URL, and creation timestamp. Do NOT use for domain intelligence — use domain_lookup_intelligence instead. Do NOT use for web scraping — use web_scrape_to_markdown instead. Do NOT use for SEO analysis — use seo_audit_page instead.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `url` | string | yes | The URL to shorten |\n| `custom_alias` | string | no | Optional custom alias for the short URL (3-20 alphanumeric chars) |\n\n## Example agent prompts\n\n- \"Shorten a long URL into a compact link\"\n\n## Payment\n\n- Protocol: [x402](https://x402.org) -- HTTP-native pay-per-call, no signup, no API key\n- Network: Base L2 (`eip155:8453`)\n- Asset: USDC\n- Facilitator: Coinbase CDP (primary), PayAI (fallback)\n\n## Part of klymax402\n\n100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.\n\n- Catalog: https://klymax402.com/llms.txt\n- Full API reference: https://klymax402.com/llms-full.txt\n- Live stats: https://klymax402.com/stats\n\n## License\n\nMIT\n",
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  "sha": "23ea116b3b00f2a75199c1a71983194d236f50f261774deb6ee916c1430a12f3",
  "repo_slug": "br0ski777/url-shortener-x402",
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  "api": "https://agentalog.com/api/listings/mcp_io_github_br0ski777_url_shortener_91d856b3/readme"
}