{"uid":"cap_Ml4KmCQ_RHW4Rk-aNPb3x","slug":"papacasper-tech-stack-fingerprint-2b1c327d","name":"PapaCasper Tech Stack Fingerprint","description":"A hosted MCP server exposing utility tools any AI agent can call over HTTP — page-to-markdown, SEO audits, robots/sitemap checks, and more.","url":"https://papacasper.com/mcp/pay/tech_stack_fingerprint","method":"POST","headers":{},"bodySchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"The URL to fingerprint"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IBfO7YOzWY7AkDV3CaQWw","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a given URL and identifies the underlying technologies, frameworks, and services powering that website.","exampleAgentPrompt":"Can you fingerprint the tech stack of https://shopify.com and tell me what frameworks, CMS, CDN, and analytics tools they're using?","exampleUseCases":[{"title":"Competitive tech stack research","prompt":"What technologies is my competitor's website stripe.com running on? I want to know their frontend framework, backend, CDN, and any analytics tools."},{"title":"Sales prospecting enrichment","prompt":"Before my sales call, can you figure out what CMS and ecommerce platform https://example-retailer.com is using so I know what integrations to pitch?"},{"title":"Security and infrastructure audit","prompt":"Fingerprint https://mybusiness.com and tell me what server software, JavaScript libraries, and third-party services are exposed so I can audit our tech footprint."}],"resultDescription":"A structured object describing the detected technologies powering the given URL, which may include frontend frameworks (e.g. React, Vue, Next.js), CMS platforms (e.g. WordPress, Shopify), CDN providers, server software, analytics tools, advertising pixels, and other third-party services identified via HTTP headers, HTML patterns, and script analysis.","failureModes":["URL is unreachable or returns a non-200 status — endpoint may return an error or empty result","Private/intranet URLs that are not publicly accessible cannot be fingerprinted","Heavily obfuscated or minified sites may yield incomplete or inaccurate technology detection","Rate limiting or bot protection on the target site may block fingerprinting attempts","Malformed URL input will result in a validation error"],"whenToPreferThis":"Choose this endpoint when you need to identify the technology stack of any publicly accessible website without setting up your own scraping infrastructure. It is particularly useful for competitive intelligence, sales prospecting enrichment, pre-audit research, or any workflow where knowing a site's CMS, framework, or third-party services is required. At $0.0002 per call it is extremely cost-effective for bulk or single-site lookups via an agent-friendly HTTP API with x402 micropayment support.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:49:52.998Z","isFirstParty":false}