{
  "markdown": "# AI Text Summarizer API\n\n[![MCP Server](https://img.shields.io/badge/MCP-server-blue)](https://ai-summarizer.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\nAI text and URL summarizer -- key points, word count reduction, reading time. Fast extractive summaries for agents. 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    \"ai-summarizer\": {\n      \"url\": \"https://ai-summarizer.api.klymax402.com/mcp\"\n    }\n  }\n}\n```\n\n## Quickstart -- HTTP (x402)\n\n```bash\ncurl -X POST \"https://ai-summarizer.api.klymax402.com/api/summarize\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"text\":\"...\"}'\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| `ai_summarize_text` | POST | `/api/summarize` | $0.03 | Summarize raw text into key points |\n| `ai_summarize_url` | GET | `/api/summarize` | $0.04 | Fetch a URL and summarize its content |\n\n### `ai_summarize_text`\n\nUse this when you need to summarize long text into concise key points. Returns a structured summary with bullet points and reading metrics.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `text` | string | yes | The text to summarize |\n| `maxLength` | number | no | Maximum summary length in words (default 200) |\n\n**Returns**\n\n- `summary` -- condensed text summary (respects maxLength)\n- `keyPoints` -- array of 3-7 extracted key takeaways\n- `wordCountOriginal` -- word count of input text\n- `wordCountSummary` -- word count of output summary\n- `reductionPercent` -- percentage of text reduced (e.g. 78%)\n- `readingTimeMinutes` -- estimated reading time for the summary\n\nExample response:\n\n```json\n{\"summary\":\"The article discusses...\",\"keyPoints\":[\"AI adoption grew 40%\",\"Enterprise spending up\"],\"wordCountOriginal\":2500,\"wordCountSummary\":180,\"reductionPercent\":92,\"readingTimeMinutes\":1}\n```\n\n**When to use**: presenting lengthy content to users. Essential for digesting articles, reports, meeting notes, or documentation into actionable summaries.\n\n### `ai_summarize_url`\n\nUse this when you need to summarize a web page by URL. Fetches the page, extracts text, and returns a structured summary with key points and reading metrics.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `url` | string | yes | URL of the web page to summarize |\n| `maxLength` | number | no | Maximum summary length in words (default 200) |\n\n**Returns**\n\n- `summary` -- condensed text summary of the page content\n- `keyPoints` -- array of 3-7 key takeaways from the page\n- `wordCountOriginal` -- word count of the full page text\n- `wordCountSummary` -- word count of the summary\n- `reductionPercent` -- percentage of content reduced\n- `readingTimeMinutes` -- estimated reading time for the summary\n- `title` -- page title extracted from HTML\n\nExample response:\n\n```json\n{\"title\":\"OpenAI Blog\",\"summary\":\"The post announces...\",\"keyPoints\":[\"GPT-5 launches Q3\",\"API pricing drops 50%\"],\"wordCountOriginal\":4200,\"wordCountSummary\":200,\"reductionPercent\":95,\"readingTimeMinutes\":1}\n```\n\n**When to use**: citing or referencing web articles. Essential for quickly understanding web pages without reading the full content.\n\n## Example agent prompts\n\n- \"Summarize long text into concise key points\"\n- \"Summarize a web page by URL\"\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- Also reachable via [ATXP](https://atxp.ai) (OAuth-wrapped x402, RFC 9728 protected-resource metadata)\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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  "repo_slug": "br0ski777/ai-summarizer-x402",
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