{
  "data": {
    "a": {
      "slug": "hyperbrowser",
      "name": "Hyperbrowser",
      "vendor": "S2 Labs Inc.",
      "vendorUrl": "https://www.hyperbrowser.ai",
      "kind": "http-api",
      "category": "browser",
      "summary": "Hyperbrowser, from S2 Labs Inc., runs hosted Chromium sessions that agents control over CDP, WebDriver or computer actions, with Fetch, Search, Crawl, Extract and cloud sandbox APIs. Access is by API key, SDKs, a stdio MCP server or x402.",
      "url": "https://www.anchorterminal.com/tools/hyperbrowser",
      "markdownUrl": "https://www.anchorterminal.com/tools/hyperbrowser.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/hyperbrowser.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/hyperbrowser.json",
      "repo": "https://github.com/hyperbrowserai/node-sdk",
      "license": "Proprietary service under S2 Labs' terms of service. The Node and Python SDKs and the MCP server are MIT, and HyperAgent is AGPL-3.0",
      "transports": [
        "http",
        "stdio"
      ],
      "remoteUrl": "https://api.hyperbrowser.ai",
      "packages": [
        {
          "registry": "npm",
          "name": "@hyperbrowser/sdk"
        },
        {
          "registry": "pypi",
          "name": "hyperbrowser"
        },
        {
          "registry": "npm",
          "name": "hyperbrowser-mcp"
        }
      ],
      "auth": "mixed",
      "authNotes": "Self-serve API key from the dashboard at app.hyperbrowser.ai, sent in the `x-api-key` header. No scopes or rotation guidance found. The x402 routes need no key or account. They return session-scoped connection tokens and a separate `managementToken`, valid 24 hours, that can only read or stop that session. Connection tokens travel in the `wsEndpoint` URL.",
      "pricing": "freemium",
      "pricingNotes": "Free plan with 5,000 credits and no card, so an agent's owner can start without a contract. Credits are $0.001 each. Browser time $0.10 an hour billed per second, proxy data $10 a GB, Fetch and Scrape $0.001 a page, Search $0.005 a query, agent steps $0.02. Startup $30 and Scale $100 a month with credits included. The same session, Fetch and Search prices apply by x402 (https://www.hyperbrowser.ai/docs/pricing.md, https://www.hyperbrowser.ai/pricing).",
      "priceSummary": "$0.001 / call",
      "where": "both",
      "x402": {
        "level": "yes",
        "evidence": "x402 version 2 on https://api.hyperbrowser.ai for browser sessions, Fetch and Search, with USDC on Base and Solana and no account or API key (https://www.hyperbrowser.ai/docs/integrations/x402/overview.md). Unpaid requests on 2026-10-08 returned 402 with a PAYMENT-REQUIRED header pricing a five-minute session at $0.01 and a default fetch at $0.001. Scrape, Crawl, Extract, agent tasks and sandboxes aren't covered.",
        "endpoints": [
          {
            "url": "https://api.hyperbrowser.ai/x402/session",
            "priceUsd": null,
            "network": "eip155:8453"
          },
          {
            "url": "https://api.hyperbrowser.ai/x402/web/fetch",
            "priceUsd": 0.001,
            "network": "eip155:8453"
          },
          {
            "url": "https://api.hyperbrowser.ai/x402/web/search",
            "priceUsd": null,
            "network": "eip155:8453"
          }
        ]
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 88684,
        "pypiWeekly": 73215,
        "asOf": "2026-10-08"
      },
      "docsUrl": "https://www.hyperbrowser.ai/docs/home",
      "llmsTxt": "https://www.hyperbrowser.ai/docs/llms.txt",
      "openapi": "https://www.hyperbrowser.ai/docs/openapi.json",
      "capabilities": [
        "browser.control",
        "browser.hosted",
        "web.fetch",
        "web.scrape",
        "web.crawl",
        "web.extract",
        "web.search",
        "scraping.proxies",
        "sandbox.code"
      ],
      "tags": [
        "official",
        "hosted",
        "freemium",
        "no-card",
        "x402",
        "openapi",
        "llms-txt",
        "mcp",
        "python",
        "typescript",
        "status-page"
      ],
      "lastRelease": "2026-10-08",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 66.9,
        "grade": "B",
        "agentReady": false,
        "rank": 284,
        "ranked": true,
        "rankOf": 1076,
        "categoryRank": 11,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 67,
          "maintenance": 79,
          "payments": 94,
          "reliability": 65,
          "schema": 68,
          "security": 44,
          "transparency": 64
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-08"
        },
        "negative": 0,
        "verdict": "Sessions, Fetch and Search can be bought by x402 at api.hyperbrowser.ai with USDC on Base or Solana and no account, and unit prices are public. The official MCP server was last published in April 2025, no request rate limits or SLA are published, and the privacy notice covers only the website.",
        "bestFor": "Agents that need a cloud browser by the minute plus cheap fetch and search, especially wallet-holding agents with no account.",
        "strengths": [
          "x402 on /x402/session, /x402/web/fetch and /x402/web/search with USDC on Base or Solana and no account, confirmed by a live 402 on 8 October 2026",
          "Unit prices public in the docs, $0.10 a browser-hour billed per second, $0.001 a Fetch page, $0.005 a Search query",
          "Free plan with 5,000 credits and no card, per the pricing page",
          "OpenAPI 3.0.1 with 91 operations, two llms.txt files and Markdown twins of every docs page",
          "Node SDK 1.1.0 on 7 October 2026 and Python SDK 1.10.0 on 8 October 2026, both MIT, with 25 PyPI releases since 10 July"
        ],
        "weaknesses": [
          "The official MCP server's last npm release is 1.0.25 of 13 April 2025, and it isn't in the official MCP registry",
          "No request rate limits, Retry-After header or SLA found; the pricing page says paid plans have no rate limits",
          "One `x-api-key` per account with no scopes or rotation guidance found in the reviewed documentation",
          "The privacy notice of 24 October 2025 covers only the website, and no DPA is public",
          "The website changelog stops at 18 November 2025, and 35 of 91 OpenAPI operations document no error response"
        ],
        "agentNotes": [
          "With a wallet and no key, POST to https://api.hyperbrowser.ai/x402/session and read the `PAYMENT-REQUIRED` header. Sessions are prepaid for 5 to 60 minutes with no refund",
          "Save the x402 creation response. It holds the only copy of the connection tokens, and `managementToken` is what stops the session",
          "Stop sessions explicitly in cleanup code. Browser time bills per second until the timeout",
          "Use Fetch at $0.001 a page for static pages and keep browser sessions for pages that need interaction",
          "Add `\u0026keepAlive=true` to `wsEndpoint` to reconnect after a CDP disconnect. Treat that URL as a secret because it carries the session token"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 66.9
          }
        ],
        "editorialScores": {
          "ergonomics": 67,
          "maintenance": 79,
          "payments": 94,
          "reliability": 65,
          "schema": 68,
          "security": 44,
          "transparency": 55
        },
        "provenanceScore": 72
      },
      "connect": {
        "install": "npm install @hyperbrowser/sdk",
        "http": "curl -X POST https://api.hyperbrowser.ai/api/session -H \"x-api-key: YOUR_API_KEY\" -H \"Content-Type: application/json\" -d '{\"timeoutMinutes\": 15}'",
        "config": {
          "mcpServers": {
            "hyperbrowser": {
              "args": [
                "hyperbrowser-mcp"
              ],
              "command": "npx",
              "env": {
                "HYPERBROWSER_API_KEY": "your-api-key"
              }
            }
          }
        },
        "x402": "curl -i https://api.hyperbrowser.ai/x402/session -H \"Content-Type: application/json\" -d '{\"timeoutMinutes\": 5}'"
      },
      "letme": {
        "capability": "https://letme.dev/browser.control",
        "tool": "https://letme.dev/hyperbrowser"
      },
      "area": "developer",
      "unitPrices": [
        {
          "item": "Browser session",
          "unit": "browser-hour",
          "usd": 0.1,
          "note": "Billed per second"
        },
        {
          "item": "Browser session by x402",
          "unit": "browser-hour",
          "usd": 0.1,
          "note": "USDC on Base or Solana, prepaid for 5 to 60 minutes, no refund"
        },
        {
          "item": "Proxy traffic",
          "unit": "gb",
          "usd": 10
        },
        {
          "item": "Fetch",
          "unit": "1k-requests",
          "usd": 1
        },
        {
          "item": "Fetch with proxy",
          "unit": "1k-requests",
          "usd": 10
        },
        {
          "item": "Search",
          "unit": "1k-requests",
          "usd": 5
        },
        {
          "item": "Search with location",
          "unit": "1k-requests",
          "usd": 10
        },
        {
          "item": "Scrape",
          "unit": "1k-pages",
          "usd": 1
        },
        {
          "item": "Scrape with proxy",
          "unit": "1k-pages",
          "usd": 10
        },
        {
          "item": "HyperAgent or Browser Use step",
          "unit": "call",
          "usd": 0.02,
          "note": "Plus browser time"
        },
        {
          "item": "Sandbox vCPU",
          "unit": "vcpu-hour",
          "usd": 0.045,
          "note": "Memory is $0.015 a GiB-hour on top"
        },
        {
          "item": "Credit",
          "unit": "credit",
          "usd": 0.001
        },
        {
          "item": "Startup plan",
          "unit": "month",
          "usd": 30,
          "note": "30,000 credits, 25 concurrent browsers"
        },
        {
          "item": "Scale plan",
          "unit": "month",
          "usd": 100,
          "note": "100,000 credits, 100 concurrent browsers"
        }
      ],
      "provenance": {
        "legalEntity": "S2 Labs Inc.",
        "domain": "hyperbrowser.ai",
        "domainRegistered": "2024-11-19",
        "endpointOnVendorDomain": true,
        "terms": "https://www.hyperbrowser.ai/terms",
        "privacy": "https://www.hyperbrowser.ai/privacy-policy",
        "statusPage": "https://hyperbrowser.betteruptime.com/",
        "changelog": "https://www.hyperbrowser.ai/changelog",
        "securityTxt": "none",
        "checked": "2026-10-08",
        "notes": [
          "The terms and the privacy notice (last updated 24 October 2025) name S2 Labs Inc. as operator, and the terms choose Delaware law. No date was found on the terms.",
          "The API, including the x402 routes, answers at api.hyperbrowser.ai.",
          "www.hyperbrowser.ai/.well-known/security.txt returns 404. The security page, last updated 7 May 2026, gives a contact for security reports.",
          "RDAP for hyperbrowser.ai gives a registration date of 2024-11-19.",
          "The website changelog's newest entry is dated 18 November 2025. Current release dates come from the SDK repositories, npm and PyPI."
        ],
        "score": 72
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/hyperbrowser.json",
      "live": {
        "slug": "hyperbrowser",
        "probe": {
          "target": "https://api.hyperbrowser.ai",
          "method": "get",
          "lastAt": "2026-10-14T09:41:54.025680258Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 138,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 138,
          "p95ms24h": 414,
          "samples24h": 248,
          "samples30d": 1432,
          "days": [
            {
              "date": "2026-10-08",
              "probes": 93,
              "ok": 93
            },
            {
              "date": "2026-10-09",
              "probes": 250,
              "ok": 250
            },
            {
              "date": "2026-10-10",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-11",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-12",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-13",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-14",
              "probes": 100,
              "ok": 100
            }
          ]
        },
        "vendorStatus": {
          "page": "https://hyperbrowser.betteruptime.com",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-14T08:53:18.191145385Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "hyperbrowserai/node-sdk",
            "version": "v1.2.1",
            "released": "2026-10-12",
            "seenAt": "2026-10-13T23:02:11.35789015Z"
          },
          {
            "registry": "npm",
            "name": "@hyperbrowser/sdk",
            "version": "1.2.1",
            "seenAt": "2026-10-13T23:02:09.1737126Z"
          },
          {
            "registry": "npm",
            "name": "hyperbrowser-mcp",
            "version": "1.0.25",
            "seenAt": "2026-10-13T23:02:10.105949859Z"
          },
          {
            "registry": "pypi",
            "name": "hyperbrowser",
            "version": "1.12.0",
            "released": "2026-10-13",
            "seenAt": "2026-10-13T23:02:09.995472855Z"
          }
        ],
        "githubStars": 15,
        "npmWeekly": 83959,
        "pypiWeekly": 119639,
        "securityTxt": {
          "url": "https://hyperbrowser.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-13T15:44:57.727339859Z"
        },
        "llmsTxt": {
          "url": "https://www.hyperbrowser.ai/docs/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-13T14:11:47.386145129Z"
        },
        "domain": {
          "domain": "hyperbrowser.ai",
          "registered": "2024-11-19",
          "source": "https://rdap.identitydigital.services/rdap/domain/hyperbrowser.ai",
          "checkedAt": "2026-10-11T13:14:07.798529133Z"
        },
        "pages": [
          {
            "url": "https://www.hyperbrowser.ai/changelog",
            "kind": "changelog",
            "status": 404,
            "checkedAt": "2026-10-13T20:28:52.122961259Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "783a5559275b"
          },
          {
            "url": "https://www.hyperbrowser.ai/docs/pricing.md",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-13T20:28:54.147753559Z",
            "changedAt": "2026-10-13T20:28:54.147753559Z",
            "fingerprint": "763dc4084578"
          },
          {
            "url": "https://www.hyperbrowser.ai/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-13T20:28:56.422987247Z",
            "changedAt": "2026-10-13T20:28:56.422987247Z",
            "fingerprint": "539906efb56d"
          },
          {
            "url": "https://www.hyperbrowser.ai/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-13T20:28:58.292482832Z",
            "changedAt": "2026-10-13T20:28:58.292482832Z",
            "fingerprint": "ee57ca48f70f"
          },
          {
            "url": "https://www.hyperbrowser.ai/terms",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-13T20:29:00.283418518Z",
            "changedAt": "2026-10-13T20:29:00.283418518Z",
            "fingerprint": "8333cd375043"
          }
        ],
        "updatedAt": "2026-10-14T09:41:54.025680258Z"
      }
    },
    "answer": "Selenium scores 73.6 (BB) on agent readiness against Hyperbrowser's 66.9 (B), and leads in 5 of 7 scored categories. Hyperbrowser leads on payments \u0026 pricing.",
    "b": {
      "slug": "selenium",
      "name": "Selenium",
      "vendor": "Selenium project (Software Freedom Conservancy)",
      "vendorUrl": "https://www.selenium.dev",
      "kind": "sdk",
      "category": "browser",
      "summary": "Selenium is the open-source browser automation project behind the W3C WebDriver standard, with official bindings for Java, Python, C#, Ruby and JavaScript and a self-hosted Grid server that runs browsers on other machines.",
      "url": "https://www.anchorterminal.com/tools/selenium",
      "markdownUrl": "https://www.anchorterminal.com/tools/selenium.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/selenium.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/selenium.json",
      "repo": "https://github.com/SeleniumHQ/selenium",
      "license": "Apache-2.0",
      "transports": [
        "http"
      ],
      "packages": [
        {
          "registry": "pypi",
          "name": "selenium"
        },
        {
          "registry": "npm",
          "name": "selenium-webdriver"
        },
        {
          "registry": "maven",
          "name": "org.seleniumhq.selenium:selenium-java"
        },
        {
          "registry": "nuget",
          "name": "Selenium.WebDriver"
        },
        {
          "registry": "rubygems",
          "name": "selenium-webdriver"
        }
      ],
      "auth": "none",
      "authNotes": "No account or key for the bindings, which run on the owner's machine. Grid accepts sessions without authentication unless both `--username` and `--password` are set, and Nodes register with a shared `--registration-secret` when one is configured. Site logins live in the browser profile or cookies the script sets.",
      "pricing": "free",
      "pricingNotes": "Free and open source under Apache-2.0, with nothing to buy and no hosted service from the project. Grid is self-hosted. Commercial clouds that run Selenium sessions are separate companies (checked 2026-10-14).",
      "priceSummary": "Free · OSS",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs, llms.txt or the source (checked 2026-10-14).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 34542,
        "npmWeekly": 1807038,
        "pypiWeekly": 6884385,
        "asOf": "2026-10-14"
      },
      "docsUrl": "https://www.selenium.dev/documentation/",
      "llmsTxt": "https://www.selenium.dev/llms.txt",
      "capabilities": [
        "browser.control",
        "browser.debug"
      ],
      "tags": [
        "official",
        "local",
        "open-source",
        "browser",
        "sdk",
        "python",
        "java",
        "javascript",
        "dotnet",
        "ruby",
        "llms-txt",
        "no-auth",
        "webdriver"
      ],
      "lastRelease": "2026-10-09",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 73.6,
        "grade": "BB",
        "agentReady": true,
        "rank": 90,
        "ranked": true,
        "rankOf": 1076,
        "categoryRank": 4,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 70,
          "maintenance": 94,
          "payments": 60,
          "reliability": 90,
          "schema": 89,
          "security": 43,
          "transparency": 74
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-14"
        },
        "negative": 0,
        "verdict": "Selenium is stable, Apache-2.0 software on 4.51.0 with bindings in five languages, CI passing on trunk, an llms.txt and an agent guide added in September 2026. It has no MCP server of its own, Selenium Manager sends usage statistics by default, and Grid accepts unauthenticated sessions unless a username and password are set.",
        "bestFor": "Agents that write test or automation scripts in any of five languages, and teams with a Grid.",
        "strengths": [
          "Official bindings for Java, Python, C#, Ruby and JavaScript, released together, 4.51.0 on 9 October 2026",
          "llms.txt and a page on using AI coding agents with Selenium, last changed 28 September 2026",
          "Code samples in the docs are run in CI against current releases",
          "An error page per common exception, such as `StaleElementReferenceException`, gives causes and fixes",
          "The 15 most recent CI runs on trunk, 13 October 2026, all succeeded or were cancelled"
        ],
        "weaknesses": [
          "No MCP server from the project. The docs point to community servers and say they are third-party",
          "Selenium Manager sends anonymised usage statistics to Plausible once a day by default, until `SE_AVOID_STATS=true` is set",
          "Grid has no authentication unless `--username` and `--password` are both set",
          "The project says it does not follow semantic versioning, and removes deprecated APIs in minor releases",
          "No accessibility snapshot call, so agents read page source or query elements one by one"
        ],
        "agentNotes": [
          "Install with `pip install selenium` (Python 3.10 or later) and let Selenium Manager fetch drivers. Do not set driver paths",
          "Use `WebDriverWait` with expected conditions, never fixed sleeps, and do not mix implicit and explicit waits",
          "Set `SE_AVOID_STATS=true` to stop Selenium Manager sending usage statistics",
          "Point coding agents at https://www.selenium.dev/llms.txt. Most Selenium 2 and 3 era examples use removed APIs",
          "Set `--username` and `--password` before exposing a Grid beyond localhost. Check `http://localhost:4444/status` before creating sessions"
        ],
        "metrics": {
          "kind": "local",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 73.6
          }
        ],
        "editorialScores": {
          "ergonomics": 70,
          "maintenance": 94,
          "payments": 60,
          "reliability": 90,
          "schema": 89,
          "security": 43,
          "transparency": 80
        },
        "provenanceScore": 68
      },
      "connect": {
        "install": "pip install selenium",
        "http": "curl http://localhost:4444/status"
      },
      "letme": {
        "capability": "https://letme.dev/browser.control",
        "tool": "https://letme.dev/selenium"
      },
      "area": "developer",
      "provenance": {
        "legalEntity": "Software Freedom Conservancy",
        "domain": "selenium.dev",
        "domainRegistered": "2019-02-22",
        "domainNote": "NOTICE reads Copyright 2011-2026 Software Freedom Conservancy, which holds the project. RDAP gives selenium.dev a registration date of 22 February 2019. selenium.dev answers 404 for /.well-known/security.txt. Security reports go to security@seleniumhq.org.",
        "endpointOnVendorDomain": null,
        "terms": "",
        "privacy": "",
        "statusPage": "",
        "changelog": "https://github.com/SeleniumHQ/selenium/blob/trunk/py/CHANGES",
        "securityTxt": "none",
        "checked": "2026-10-14",
        "notes": [
          "No terms or privacy document governs this software beyond the Apache-2.0 licence, so `terms` and `privacy` are left out. selenium.dev has no privacy page (/privacy/ answers 404). Selenium Manager's data collection is described in its documentation page.",
          "Each binding keeps its own changelog. The Python one is linked, and the downloads page links the others.",
          "selenium.dev's robots.txt names all user agents with no Disallow lines, so every page was read."
        ],
        "score": 68
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/selenium.json"
    },
    "facts": [
      {
        "a": "HTTP API",
        "b": "SDK + MCP",
        "name": "Kind"
      },
      {
        "a": "S2 Labs Inc.",
        "b": "Selenium project (Software Freedom Conservancy)",
        "name": "Vendor"
      },
      {
        "a": "https://api.hyperbrowser.ai",
        "b": "no (local only)",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP, stdio",
        "b": "HTTP",
        "name": "Transports"
      },
      {
        "a": "OAuth or key",
        "b": "None",
        "name": "Auth"
      },
      {
        "a": "Freemium",
        "b": "Free",
        "name": "Pricing"
      },
      {
        "a": "yes",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary service under S2 Labs' terms of service. The Node and Python SDKs and the MCP server are MIT, and HyperAgent is AGPL-3.0",
        "b": "Apache-2.0",
        "name": "Licence"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "2026-10-08",
        "b": "2026-10-09",
        "name": "Last release"
      },
      {
        "a": "couldn't be read",
        "b": "no document linked",
        "name": "Terms last updated"
      },
      {
        "a": "couldn't be read",
        "b": "no document linked",
        "name": "Privacy policy last updated"
      },
      {
        "a": "couldn't be read",
        "b": "",
        "name": "Customer content may train models"
      },
      {
        "a": "couldn't be read",
        "b": "",
        "name": "Terms restrict automated access"
      },
      {
        "a": "couldn't be read",
        "b": "",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "couldn't be read",
        "b": "",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "couldn't be read",
        "b": "",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "89k npm/wk, 73k PyPI/wk",
        "b": "35k stars, 1.8M npm/wk, 6.9M PyPI/wk",
        "name": "Popularity"
      }
    ],
    "faq": [
      {
        "answer": "Selenium scores 73.6 (BB) on agent readiness against Hyperbrowser's 66.9 (B), and leads in 5 of 7 scored categories. Hyperbrowser leads on payments \u0026 pricing.",
        "question": "Which is better for AI agents, Hyperbrowser or Selenium?"
      },
      {
        "answer": "Hyperbrowser has a hosted endpoint at https://api.hyperbrowser.ai. No hosted endpoint is listed for Selenium.",
        "question": "Can an agent call Hyperbrowser and Selenium without installing anything?"
      },
      {
        "answer": "No open-source release is listed for Hyperbrowser. Selenium is open source (Apache-2.0).",
        "question": "Are Hyperbrowser and Selenium open source?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Payments \u0026 pricing, 94 against 60"
        ],
        "also": [
          "An agent can pay per call over x402, with no account",
          "A hosted endpoint, with nothing to install",
          "Runs on your own machine",
          "Free to start without a card"
        ],
        "goodFor": "Agents that need a cloud browser by the minute plus cheap fetch and search, especially wallet-holding agents with no account.",
        "slug": "hyperbrowser",
        "watchFor": "The official MCP server's last npm release is 1.0.25 of 13 April 2025, and it isn't in the official MCP registry"
      },
      {
        "aheadOn": [
          "Reliability, 90 against 65",
          "Schema \u0026 documentation, 89 against 68",
          "Maintenance \u0026 community, 94 against 79",
          "Transparency \u0026 trust, 74 against 64"
        ],
        "also": [
          "Agent-ready, a grade of BB or better",
          "No key needed to call it",
          "Open source"
        ],
        "goodFor": "Agents that write test or automation scripts in any of five languages, and teams with a Grid.",
        "slug": "selenium",
        "watchFor": "No MCP server from the project. The docs point to community servers and say they are third-party"
      }
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      "name": "Browser automation"
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      {
        "json": "https://www.anchorterminal.com/compare/agent-browser-vs-selenium.json",
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      {
        "json": "https://www.anchorterminal.com/compare/airtop-vs-selenium.json",
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      {
        "json": "https://www.anchorterminal.com/compare/anchor-browser-vs-hyperbrowser.json",
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      {
        "json": "https://www.anchorterminal.com/compare/browser-use-vs-hyperbrowser.json",
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        "json": "https://www.anchorterminal.com/compare/browser-use-vs-selenium.json",
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        "url": "https://www.anchorterminal.com/compare/browser-use-vs-selenium"
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        "json": "https://www.anchorterminal.com/compare/browserbase-vs-selenium.json",
        "title": "Browserbase vs Selenium",
        "url": "https://www.anchorterminal.com/compare/browserbase-vs-selenium"
      },
      {
        "json": "https://www.anchorterminal.com/compare/browserless-vs-hyperbrowser.json",
        "title": "Browserless vs Hyperbrowser",
        "url": "https://www.anchorterminal.com/compare/browserless-vs-hyperbrowser"
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      {
        "json": "https://www.anchorterminal.com/compare/browserless-vs-selenium.json",
        "title": "Browserless vs Selenium",
        "url": "https://www.anchorterminal.com/compare/browserless-vs-selenium"
      },
      {
        "json": "https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-hyperbrowser.json",
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        "json": "https://www.anchorterminal.com/compare/hyperbrowser-vs-puppeteer.json",
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        "json": "https://www.anchorterminal.com/compare/hyperbrowser-vs-puppeteer-reference-server-archived.json",
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        "json": "https://www.anchorterminal.com/compare/hyperbrowser-vs-skyvern.json",
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        "json": "https://www.anchorterminal.com/compare/hyperbrowser-vs-steel.json",
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        "url": "https://www.anchorterminal.com/compare/hyperbrowser-vs-steel"
      },
      {
        "json": "https://www.anchorterminal.com/compare/hyperbrowser-vs-tinyfish.json",
        "title": "Hyperbrowser vs TinyFish",
        "url": "https://www.anchorterminal.com/compare/hyperbrowser-vs-tinyfish"
      },
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        "json": "https://www.anchorterminal.com/compare/notte-vs-selenium.json",
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    "scores": [
      {
        "by": 25,
        "edge": "selenium",
        "hyperbrowser": 65,
        "key": "reliability",
        "name": "Reliability",
        "selenium": 90,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 21,
        "edge": "selenium",
        "hyperbrowser": 68,
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "selenium": 89,
        "weight": 13
      },
      {
        "by": 3,
        "edge": "selenium",
        "hyperbrowser": 67,
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "selenium": 70,
        "weight": 13
      },
      {
        "by": 1,
        "edge": "hyperbrowser",
        "hyperbrowser": 44,
        "key": "security",
        "name": "Security \u0026 auth",
        "selenium": 43,
        "weight": 14
      },
      {
        "by": 34,
        "edge": "hyperbrowser",
        "hyperbrowser": 94,
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "selenium": 60,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 15,
        "edge": "selenium",
        "hyperbrowser": 79,
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "selenium": 94,
        "weight": 7
      },
      {
        "by": 10,
        "edge": "selenium",
        "hyperbrowser": 64,
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "selenium": 74,
        "weight": 7
      }
    ],
    "summary": "Selenium scores 73.6 (BB) on agent readiness against Hyperbrowser's 66.9 (B), and leads in 5 of 7 scored categories. Hyperbrowser leads on payments \u0026 pricing. Both do browser automation. Hyperbrowser accepts x402. Selenium doesn't.",
    "verdicts": {
      "hyperbrowser": "Sessions, Fetch and Search can be bought by x402 at api.hyperbrowser.ai with USDC on Base or Solana and no account, and unit prices are public. The official MCP server was last published in April 2025, no request rate limits or SLA are published, and the privacy notice covers only the website.",
      "selenium": "Selenium is stable, Apache-2.0 software on 4.51.0 with bindings in five languages, CI passing on trunk, an llms.txt and an agent guide added in September 2026. It has no MCP server of its own, Selenium Manager sends usage statistics by default, and Grid accepts unauthenticated sessions unless a username and password are set."
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  "markdown": "Selenium scores 73.6 (BB) on agent readiness against Hyperbrowser's 66.9 (B), and leads in 5 of 7 scored categories. Hyperbrowser leads on payments \u0026 pricing. Both do browser automation. Hyperbrowser accepts x402. Selenium doesn't.\n\n- Hyperbrowser: grade B, 66.9/100, rank #284 of 1076. Markdown https://www.anchorterminal.com/tools/hyperbrowser.md · JSON https://www.anchorterminal.com/api/v1/tools/hyperbrowser.json\n- Selenium: grade BB, 73.6/100, rank #90 of 1076. Markdown https://www.anchorterminal.com/tools/selenium.md · JSON https://www.anchorterminal.com/api/v1/tools/selenium.json\n- Best browser automation tools for AI agents: https://www.anchorterminal.com/best/browser/index.md\n- All 120 browser comparisons: https://www.anchorterminal.com/compare/browser/index.md\n\n## Which one, for what\n\n### Hyperbrowser (B)\n\nGood for: Agents that need a cloud browser by the minute plus cheap fetch and search, especially wallet-holding agents with no account.\n\nAhead on:\n- Payments \u0026 pricing, 94 against 60\n\nAlso in its favour:\n- An agent can pay per call over x402, with no account\n- A hosted endpoint, with nothing to install\n- Runs on your own machine\n- Free to start without a card\n\nWatch for: The official MCP server's last npm release is 1.0.25 of 13 April 2025, and it isn't in the official MCP registry\n\n### Selenium (BB)\n\nGood for: Agents that write test or automation scripts in any of five languages, and teams with a Grid.\n\nAhead on:\n- Reliability, 90 against 65\n- Schema \u0026 documentation, 89 against 68\n- Maintenance \u0026 community, 94 against 79\n- Transparency \u0026 trust, 74 against 64\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- No key needed to call it\n- Open source\n\nWatch for: No MCP server from the project. The docs point to community servers and say they are third-party\n\n\n## Score by category\n\n| Category | Weight | Hyperbrowser | Selenium | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 65 | 90 | Selenium +25 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 68 | 89 | Selenium +21 |\n| Agent ergonomics | 13% (16.2 this run) | 67 | 70 | Selenium +3 |\n| Security \u0026 auth | 14% (17.5 this run) | 44 | 43 | Hyperbrowser +1 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 94 | 60 | Hyperbrowser +34 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 79 | 94 | Selenium +15 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 64 | 74 | Selenium +10 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **66.9 · B** | **73.6 · BB** | |\n\n## Facts side by side\n\n| Fact | Hyperbrowser | Selenium |\n| --- | --- | --- |\n| Kind | HTTP API | SDK + MCP |\n| Vendor | S2 Labs Inc. | Selenium project (Software Freedom Conservancy) |\n| Hosted endpoint | `https://api.hyperbrowser.ai` | no (local only) |\n| Transports | HTTP, stdio | HTTP |\n| Auth | OAuth or key | None |\n| Pricing | Freemium | Free |\n| x402 | yes | no |\n| Licence | Proprietary service under S2 Labs' terms of service. The Node and Python SDKs and the MCP server are MIT, and HyperAgent is AGPL-3.0 | Apache-2.0 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-10-08 | 2026-10-09 |\n| Terms last updated | couldn't be read | no document linked |\n| Privacy policy last updated | couldn't be read | no document linked |\n| Customer content may train models | couldn't be read |  |\n| Terms restrict automated access | couldn't be read |  |\n| Terms restrict benchmarking | couldn't be read |  |\n| Terms or service can change without notice | couldn't be read |  |\n| Arbitration or class-action waiver | couldn't be read |  |\n| Popularity | 89k npm/wk, 73k PyPI/wk | 35k stars, 1.8M npm/wk, 6.9M PyPI/wk |\n\n## Verdicts\n\n**Hyperbrowser.** Sessions, Fetch and Search can be bought by x402 at api.hyperbrowser.ai with USDC on Base or Solana and no account, and unit prices are public. The official MCP server was last published in April 2025, no request rate limits or SLA are published, and the privacy notice covers only the website.\n\n**Selenium.** Selenium is stable, Apache-2.0 software on 4.51.0 with bindings in five languages, CI passing on trunk, an llms.txt and an agent guide added in September 2026. It has no MCP server of its own, Selenium Manager sends usage statistics by default, and Grid accepts unauthenticated sessions unless a username and password are set.\n\n## Before you call either\n\n### Hyperbrowser\n\n1. With a wallet and no key, POST to https://api.hyperbrowser.ai/x402/session and read the `PAYMENT-REQUIRED` header. Sessions are prepaid for 5 to 60 minutes with no refund\n2. Save the x402 creation response. It holds the only copy of the connection tokens, and `managementToken` is what stops the session\n3. Stop sessions explicitly in cleanup code. Browser time bills per second until the timeout\n4. Use Fetch at $0.001 a page for static pages and keep browser sessions for pages that need interaction\n5. Add `\u0026keepAlive=true` to `wsEndpoint` to reconnect after a CDP disconnect. Treat that URL as a secret because it carries the session token\n\n### Selenium\n\n1. Install with `pip install selenium` (Python 3.10 or later) and let Selenium Manager fetch drivers. Do not set driver paths\n2. Use `WebDriverWait` with expected conditions, never fixed sleeps, and do not mix implicit and explicit waits\n3. Set `SE_AVOID_STATS=true` to stop Selenium Manager sending usage statistics\n4. Point coding agents at https://www.selenium.dev/llms.txt. Most Selenium 2 and 3 era examples use removed APIs\n5. Set `--username` and `--password` before exposing a Grid beyond localhost. Check `http://localhost:4444/status` before creating sessions\n\n## Questions\n\n### Which is better for AI agents, Hyperbrowser or Selenium?\n\nSelenium scores 73.6 (BB) on agent readiness against Hyperbrowser's 66.9 (B), and leads in 5 of 7 scored categories. Hyperbrowser leads on payments \u0026 pricing.\n\n### Can an agent call Hyperbrowser and Selenium without installing anything?\n\nHyperbrowser has a hosted endpoint at https://api.hyperbrowser.ai. No hosted endpoint is listed for Selenium.\n\n### Are Hyperbrowser and Selenium open source?\n\nNo open-source release is listed for Hyperbrowser. Selenium is open source (Apache-2.0).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/hyperbrowser-vs-selenium.json, and with the fewest tokens: https://www.anchorterminal.com/compare/hyperbrowser-vs-selenium.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"hyperbrowser\", \"b\": \"selenium\"}`. From a terminal: `anchor compare hyperbrowser selenium`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/hyperbrowser.json and https://www.anchorterminal.com/api/v1/tools/selenium.json\n\n## Other comparisons with Hyperbrowser or Selenium\n\n- [agent-browser vs Hyperbrowser](https://www.anchorterminal.com/compare/agent-browser-vs-hyperbrowser.md)\n- [agent-browser vs Selenium](https://www.anchorterminal.com/compare/agent-browser-vs-selenium.md)\n- [Airtop vs Hyperbrowser](https://www.anchorterminal.com/compare/airtop-vs-hyperbrowser.md)\n- [Airtop vs Selenium](https://www.anchorterminal.com/compare/airtop-vs-selenium.md)\n- [Anchor Browser vs Hyperbrowser](https://www.anchorterminal.com/compare/anchor-browser-vs-hyperbrowser.md)\n- [Anchor Browser vs Selenium](https://www.anchorterminal.com/compare/anchor-browser-vs-selenium.md)\n- [Browser Use vs Hyperbrowser](https://www.anchorterminal.com/compare/browser-use-vs-hyperbrowser.md)\n- [Browser Use vs Selenium](https://www.anchorterminal.com/compare/browser-use-vs-selenium.md)\n- [Browserbase vs Selenium](https://www.anchorterminal.com/compare/browserbase-vs-selenium.md)\n- [Browserless vs Hyperbrowser](https://www.anchorterminal.com/compare/browserless-vs-hyperbrowser.md)\n- [Browserless vs Selenium](https://www.anchorterminal.com/compare/browserless-vs-selenium.md)\n- [Chrome DevTools MCP vs Hyperbrowser](https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-hyperbrowser.md)\n- [Chrome DevTools MCP vs Selenium](https://www.anchorterminal.com/compare/chrome-devtools-mcp-vs-selenium.md)\n- [Hyperbrowser vs Notte](https://www.anchorterminal.com/compare/hyperbrowser-vs-notte.md)\n- [Hyperbrowser vs Playwright MCP](https://www.anchorterminal.com/compare/hyperbrowser-vs-playwright-mcp.md)\n- [Hyperbrowser vs Puppeteer](https://www.anchorterminal.com/compare/hyperbrowser-vs-puppeteer.md)\n- [Hyperbrowser vs Puppeteer (archived MCP reference server)](https://www.anchorterminal.com/compare/hyperbrowser-vs-puppeteer-reference-server-archived.md)\n- [Hyperbrowser vs Skyvern](https://www.anchorterminal.com/compare/hyperbrowser-vs-skyvern.md)\n- [Hyperbrowser vs Steel](https://www.anchorterminal.com/compare/hyperbrowser-vs-steel.md)\n- [Hyperbrowser vs TinyFish](https://www.anchorterminal.com/compare/hyperbrowser-vs-tinyfish.md)\n- [Notte vs Selenium](https://www.anchorterminal.com/compare/notte-vs-selenium.md)\n- [Playwright MCP vs Selenium](https://www.anchorterminal.com/compare/playwright-mcp-vs-selenium.md)\n- [Puppeteer (archived MCP reference server) vs Selenium](https://www.anchorterminal.com/compare/puppeteer-reference-server-archived-vs-selenium.md)\n- [Puppeteer vs Selenium](https://www.anchorterminal.com/compare/puppeteer-vs-selenium.md)\n- [Selenium vs Skyvern](https://www.anchorterminal.com/compare/selenium-vs-skyvern.md)\n- [Selenium vs Steel](https://www.anchorterminal.com/compare/selenium-vs-steel.md)\n- [Selenium vs TinyFish](https://www.anchorterminal.com/compare/selenium-vs-tinyfish.md)\n- [Browserbase vs Hyperbrowser](https://www.anchorterminal.com/compare/browserbase-vs-hyperbrowser.md)\n",
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