{"slug":"lemlist-mr6fb5","companyName":"lemlist","domain":"lemlist.com","url":"https://lemlist.com","headline":"Lemlist publishes prices and allows browser access, but API keys require a sales conversation and there is no machine-readable specification for integration.","compositeScore":57,"humanScore":0,"agentScore":57,"doorGap":0,"humanMeasured":0,"agentMeasured":6,"percentile":null,"humanPercentile":null,"agentPercentile":null,"isPartial":true,"depth":"free","siteClass":"b2b_saas","scannerVersion":15,"scannedAt":"2026-09-08T19:32:31.040Z","unlocked":false,"mission":{"steps":[{"url":"https://lemlist.com","outcome":"ok","purpose":"reach the site at all"},{"url":"https://lemlist.com/robots.txt","outcome":"ok","purpose":"find out whether machines are welcome"},{"url":"https://lemlist.com","outcome":"ok","purpose":"ask whether the door opens for requests carrying the AI crawlers' names"},{"url":"https://lemlist.com/llms.txt","outcome":"missing","purpose":"read the site's own guide for language models"},{"url":"https://lemlist.com/sitemap.xml","outcome":"ok","purpose":"find out what pages exist"},{"url":"https://lemlist.com/.well-known/security.txt","outcome":"missing","purpose":"find a contact route for machines"},{"url":"https://lemlist.comhttps://developer.lemlist.com/.well-known/mcp.json","outcome":"ok","purpose":"find a published agent interface"},{"url":"https://lemlist.com/.well-known/ai-plugin.json","outcome":"missing","purpose":"find an agent plugin manifest"},{"url":"https://lemlist.com","outcome":"missing","purpose":"find out whether verified agents are recognised"},{"url":"https://lemlist.com","outcome":"missing","purpose":"read the homepage as data rather than as a page"},{"url":"https://lemlist.com","outcome":"missing","purpose":"find a machine readable API spec"},{"url":"https://lemlist.com","outcome":"ok","purpose":"read the developer documentation"},{"url":"https://www.lemlist.com/pricing","outcome":"ok","purpose":"read the prices without running JavaScript"},{"url":"https://lemlist.com","outcome":"ok","purpose":"find a comparison page worth citing"}],"verdict":"The agent got through 8 of 14 requests, but could not read the site's own guide for language models. It came up empty on 5 other checks too."},"observations":null,"dimensions":[{"key":"machine_discoverability","audience":"agent","score":98,"summary":"No AI crawler is blocked by robots.txt or user agent rules. The site serves a real browser normally, publishes a sitemap with 1153 URLs, and renders key pages without JavaScript. Comparison pages are listed and readable.","evidence":{"locked":true,"count":4}},{"key":"programmatic_onboarding","audience":"agent","score":24,"summary":"Authentication is documented in prose at developer.lemlist.com, and endpoint examples are shown. No OpenAPI spec exists at any standard path, no code samples are provided, and API key issuance is not self-serve.","evidence":{"locked":true,"count":2}},{"key":"pricing_legibility","audience":"agent","score":85,"summary":"10 prices are readable without JavaScript on the pricing page, stated in USD per seat. No tier is gated behind a sales contact. The Enterprise plan is named but not priced, which is standard practice for custom deals and does not obscure.","evidence":{"locked":true,"count":1}},{"key":"agent_aware_instrumentation","audience":"agent","score":58,"summary":"An MCP manifest is published at https://developer.lemlist.com/.well-known/mcp.json, enabling Claude and other MCP-aware agents to discover and call the API.","evidence":{"locked":true,"count":4}},{"key":"machine_fetchable_trust","audience":"agent","score":40,"summary":"No security.txt file is published at /.well-known/security.txt. The homepage responds to automated requests with HTTP 200 and serves content normally. No Web Bot Auth signals are present.","evidence":{"locked":true,"count":2}},{"key":"commercial_rails","audience":"agent","score":35,"summary":"Prices are published in raw HTML.","evidence":{"locked":true,"count":1}},{"key":"steps_to_first_value","audience":"human","score":null,"summary":"Could not verify: this scan did not reach the pages that would show it.","evidence":{"locked":true,"count":0}},{"key":"required_fields","audience":"human","score":null,"summary":"Could not verify: this scan did not reach the pages that would show it.","evidence":{"locked":true,"count":0}},{"key":"verification_walls","audience":"human","score":null,"summary":"Could not verify: this scan did not reach the pages that would show it.","evidence":{"locked":true,"count":0}},{"key":"error_recovery","audience":"human","score":null,"summary":"Could not verify: this scan did not reach the pages that would show it.","evidence":{"locked":true,"count":0}}],"issues":[{"rank":1,"title":"No security.txt file is published, leaving no standard channel for security researchers to report vulnerabilities.","dimensionKey":"machine_fetchable_trust","evidence":{"locked":true,"count":3},"fix":null},{"rank":2,"title":"No OpenAPI specification is published, requiring developers to write API clients by hand from prose documentation.","dimensionKey":"programmatic_onboarding","evidence":{"locked":true,"count":3},"fix":null},{"rank":3,"title":"No llms.txt is published at the site root, so assistants get no curated map of what matters here.","dimensionKey":"machine_discoverability","evidence":{"locked":true,"count":1},"fix":null}],"fixArtifacts":{"locked":true,"count":7,"summaries":[{"id":"software_offer_jsonld:pricing-page","kind":"software_offer_jsonld","title":"Pricing as Offer structured data","path":"pricing page","effort":{"minutes":20,"role":"developer"},"outcome":{"dimension":"pricing_legibility","external":["Assistants comparing vendors read the plans and prices as Offer structured data."]}},{"id":"robots_search_bots:robots-txt","kind":"robots_search_bots","title":"robots.txt rules for AI crawlers","path":"/robots.txt","effort":{"minutes":10,"role":"owner"},"outcome":{"dimension":"machine_discoverability","external":["The assistants' search crawlers read and cite the site to buyers; training stays the owner's decision."]}},{"id":"interfaces_note:notes","kind":"interfaces_note","title":"Machine interfaces: where you stand","path":"notes","effort":{"minutes":10,"role":"owner"},"outcome":{"dimension":"agent_aware_instrumentation","external":["The developer surface is built in an order where every published pointer answers."]}},{"id":"pricing_md:pricing-md","kind":"pricing_md","title":"pricing.md","path":"/pricing.md","effort":{"minutes":20,"role":"owner"},"outcome":{"dimension":"agent_aware_instrumentation","external":["Agents read the price list directly instead of rendering the pricing page."]}},{"id":"organization_jsonld:homepage","kind":"organization_jsonld","title":"Organization structured data","path":"homepage","effort":{"minutes":15,"role":"developer"},"outcome":{"dimension":"machine_discoverability","external":["Search and assistant crawlers read the company entity from the homepage rather than inferring it."]}},{"id":"security_txt:well-known-security-txt","kind":"security_txt","title":"security.txt","path":"/.well-known/security.txt","effort":{"minutes":10,"role":"owner"},"outcome":{"dimension":"machine_fetchable_trust","external":["Researchers and automated scanners find a disclosure address instead of guessing one."]}},{"id":"llms_txt:llms-txt","kind":"llms_txt","title":"llms.txt","path":"/llms.txt","effort":{"minutes":15,"role":"owner"},"outcome":{"dimension":"machine_discoverability","external":["Assistants that read llms.txt get a curated map of the site instead of guessing from the homepage."]}}]},"feedback":{"endpoint":"/api/feedback","mcpTool":"rate_fix","targets":[{"type":"report","key":"report"},{"type":"dimension","dimensionKey":"machine_discoverability","key":"dimension:machine_discoverability"},{"type":"dimension","dimensionKey":"programmatic_onboarding","key":"dimension:programmatic_onboarding"},{"type":"dimension","dimensionKey":"pricing_legibility","key":"dimension:pricing_legibility"},{"type":"dimension","dimensionKey":"agent_aware_instrumentation","key":"dimension:agent_aware_instrumentation"},{"type":"dimension","dimensionKey":"machine_fetchable_trust","key":"dimension:machine_fetchable_trust"},{"type":"dimension","dimensionKey":"commercial_rails","key":"dimension:commercial_rails"},{"type":"dimension","dimensionKey":"steps_to_first_value","key":"dimension:steps_to_first_value"},{"type":"dimension","dimensionKey":"required_fields","key":"dimension:required_fields"},{"type":"dimension","dimensionKey":"verification_walls","key":"dimension:verification_walls"},{"type":"dimension","dimensionKey":"error_recovery","key":"dimension:error_recovery"},{"type":"issue","dimensionKey":"machine_fetchable_trust","checkId":"security_txt","key":"issue:machine_fetchable_trust:security_txt"},{"type":"issue","dimensionKey":"programmatic_onboarding","checkId":null,"key":"issue:programmatic_onboarding:-"},{"type":"issue","dimensionKey":"machine_discoverability","checkId":"llms_txt","key":"issue:machine_discoverability:llms_txt"}]}}