{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"npm_npm-hismaserver-puppeteer","slug":"npm-hismaserver-puppeteer","name":"@hisma/server-puppeteer","type":"mcp","url":"https://www.npmjs.com/package/@hisma/server-puppeteer","page_url":"https://unfragile.ai/npm-hismaserver-puppeteer","categories":["mcp-servers","app-builders"],"tags":["mcp","puppeteer","hisma"],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"npm_npm-hismaserver-puppeteer__cap_0","uri":"capability://tool.use.integration.headless.browser.automation.via.mcp","name":"headless-browser-automation-via-mcp","description":"Exposes Puppeteer browser automation capabilities through the Model Context Protocol (MCP) interface, allowing LLM agents and tools to control a headless Chrome/Chromium instance via standardized MCP resource and tool endpoints. Implements MCP server pattern with stdio transport, enabling seamless integration into Claude Desktop, LLM frameworks, and agent systems without direct library imports.","intents":["I want my LLM agent to control a browser and perform actions like clicking, typing, and navigation","I need to expose browser automation as a standardized service that multiple LLM clients can connect to","I want to automate web scraping and interaction tasks through an LLM interface without writing custom integrations"],"best_for":["LLM agent developers building multi-step web automation workflows","Teams integrating browser automation into Claude Desktop or other MCP-compatible clients","Builders creating AI-powered web testing and RPA solutions"],"limitations":["Single browser instance per server process — concurrent requests share the same page context, requiring serialization of commands","No built-in session persistence — browser state is lost on server restart unless explicitly saved","Puppeteer performance overhead (~500ms startup per browser instance) may cause latency in agent decision loops","Limited to Chromium-based browsers; no Firefox or Safari support through Puppeteer"],"requires":["Node.js 14+ (Puppeteer requirement)","Chrome or Chromium binary installed locally or accessible via PUPPETEER_EXECUTABLE_PATH","MCP-compatible client (Claude Desktop, LangChain with MCP support, or custom MCP consumer)","@modelcontextprotocol/sdk package for MCP server scaffolding"],"input_types":["MCP tool calls with string parameters (selectors, text input, URLs)","Structured JSON payloads for complex actions (click coordinates, form data)","CSS/XPath selectors for element targeting"],"output_types":["JSON structured responses with action results (success/failure, element state)","Screenshot data (base64-encoded PNG or JPEG)","Extracted page content (HTML, text, structured data from DOM)","Navigation and state change confirmations"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_1","uri":"capability://automation.workflow.page.navigation.and.url.control","name":"page-navigation-and-url-control","description":"Implements MCP tools for controlling page navigation including goto(), reload(), goBack(), and goForward() operations with configurable timeouts and wait conditions. Handles navigation events, page load states, and error conditions (network failures, timeouts) through Puppeteer's navigation APIs, returning structured confirmation of navigation success or failure.","intents":["I want my agent to navigate to specific URLs and wait for the page to fully load before proceeding","I need to handle browser history navigation (back/forward) as part of a multi-step workflow","I want to reload pages and detect when navigation fails due to network or timeout issues"],"best_for":["Web scraping agents that need to traverse multiple pages sequentially","Testing automation workflows that require navigation between different application states","Multi-step user journey automation (e.g., form submission → confirmation page → download)"],"limitations":["Navigation timeout is fixed or configurable per call but not adaptive — long-loading pages may timeout even if content is eventually available","No built-in retry logic for failed navigations — agent must implement retry strategy","goBack/goForward depend on browser history which may be empty or limited in headless context","Redirect chains are followed automatically but not exposed to the agent for inspection"],"requires":["Active Puppeteer browser instance managed by the MCP server","Valid URL format for goto() operations","Network connectivity for remote page loads"],"input_types":["URL string (for goto)","Timeout integer in milliseconds (optional, defaults to 30000)","Wait condition string (e.g., 'networkidle0', 'networkidle2', 'domcontentloaded')"],"output_types":["JSON object with navigation result: {success: boolean, url: string, title: string, error?: string}","HTTP status code if available","Page load timing metrics (optional)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_10","uri":"capability://tool.use.integration.mcp.server.lifecycle.and.process.management","name":"mcp-server-lifecycle-and-process-management","description":"Implements MCP server initialization, resource discovery, and tool registration following the Model Context Protocol specification. Manages stdio transport for client communication, handles MCP message serialization/deserialization, and exposes available tools and resources through MCP's standard resource and tool listing endpoints. Enables clients to discover capabilities and invoke tools through standardized MCP protocol.","intents":["I want to connect my LLM client to this browser automation server and discover available tools","I need to understand what capabilities are exposed through the MCP interface","I want to invoke browser automation tools through my MCP-compatible client (Claude Desktop, LangChain, etc.)"],"best_for":["LLM framework developers integrating browser automation into MCP-compatible systems","Claude Desktop users wanting to add browser automation capabilities","Teams building custom MCP clients that need browser automation"],"limitations":["Single server instance per process — cannot handle multiple concurrent browser sessions without process multiplication","Stdio transport requires process spawning overhead — each client connection requires a new server process","No built-in authentication or authorization — any client with access to the process can invoke all tools","MCP message size limits may constrain large screenshot or HTML responses (typically 100MB per message)"],"requires":["Node.js 14+ runtime","MCP-compatible client with stdio transport support","Proper process environment setup (stdio must not be redirected before MCP initialization)"],"input_types":["MCP protocol messages (JSON-RPC 2.0 format)","Tool invocation requests with parameters"],"output_types":["MCP protocol responses with tool results","Resource listings (available tools and resources)","Tool schema definitions (parameter types and descriptions)"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_2","uri":"capability://automation.workflow.dom.element.interaction.and.manipulation","name":"dom-element-interaction-and-manipulation","description":"Provides MCP tools for querying and interacting with DOM elements including click(), type(), select(), fill(), and getAttribute() operations. Uses CSS selectors or XPath for element targeting, with built-in waiting for element visibility/stability before interaction. Implements Puppeteer's ElementHandle API through MCP tool parameters, handling stale element references and dynamic content.","intents":["I want my agent to click buttons, links, and interactive elements on a page","I need to fill out forms by typing text into input fields and selecting dropdown options","I want to extract attributes and text content from specific DOM elements for decision-making"],"best_for":["Form automation and data entry workflows","Web application testing agents that need to interact with UI components","Web scraping agents that need to trigger dynamic content loading (infinite scroll, lazy loading)"],"limitations":["Element selectors are evaluated at call time — if DOM changes between selector evaluation and interaction, the operation may fail with 'element not found'","No built-in handling for shadow DOM or iframes — selectors cannot cross frame boundaries without explicit frame navigation","Type() operation is character-by-character, making it slow for large text inputs (100+ characters may take 1-2 seconds)","Click operations don't validate that the element is actually clickable (may click hidden or disabled elements if selector matches)"],"requires":["Active Puppeteer page instance","Valid CSS selector or XPath expression","Element must exist in DOM (will timeout if not found within waitForSelector timeout)"],"input_types":["CSS selector string (e.g., '#submit-button', '.form-input[name=\"email\"]')","XPath string (e.g., '//button[contains(text(), \"Submit\")]')","Text input string for type() operations","Dropdown option value for select() operations","Timeout integer for element visibility wait"],"output_types":["JSON confirmation of interaction: {success: boolean, elementFound: boolean, error?: string}","Extracted attribute values (string or null if not found)","Element text content (string)","Element visibility and clickability status (boolean)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_3","uri":"capability://image.visual.page.screenshot.and.visual.capture","name":"page-screenshot-and-visual-capture","description":"Implements MCP tool for capturing full-page or viewport screenshots as base64-encoded PNG/JPEG images. Supports configurable viewport dimensions, full-page capture mode, and clip regions for capturing specific DOM areas. Returns image data directly in MCP response, enabling vision-capable LLM agents to analyze page state visually.","intents":["I want my agent to take a screenshot of the current page state for visual analysis","I need to capture specific regions of the page (e.g., a modal dialog or form) for inspection","I want to verify visual changes after interactions (e.g., confirm a button changed color after click)"],"best_for":["Vision-enabled LLM agents that need to understand page layout and visual state","Visual regression testing and screenshot comparison workflows","Web scraping agents that need to extract visually-rendered content (charts, images, styled text)"],"limitations":["Full-page screenshots can be very large (>5MB for complex pages), causing MCP message size issues if not compressed","Screenshot captures rendered state at a single moment — doesn't capture animations or hover states","Viewport size affects layout and screenshot content — agent must set appropriate viewport before capturing","Base64 encoding adds ~33% overhead to image data size in MCP messages"],"requires":["Active Puppeteer page instance","Sufficient memory for rendering and encoding large pages","Vision-capable LLM client if screenshots are to be analyzed (e.g., Claude with vision)"],"input_types":["Viewport width/height integers (optional, defaults to 1280x720)","Full page boolean flag (true = capture entire scrollable page, false = viewport only)","Clip region object {x, y, width, height} for partial captures (optional)","Image format string ('png' or 'jpeg')","JPEG quality integer 0-100 (if format is jpeg)"],"output_types":["Base64-encoded image string (PNG or JPEG)","Image metadata: {format: string, width: number, height: number, size: number}"],"categories":["image-visual","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_4","uri":"capability://data.processing.analysis.page.content.extraction.and.dom.querying","name":"page-content-extraction-and-dom-querying","description":"Provides MCP tools for extracting page content including getContent() for full HTML, getText() for plain text, and evaluate() for executing JavaScript in page context to extract structured data. Uses Puppeteer's page.evaluate() to run arbitrary JS and return JSON-serializable results, enabling complex DOM queries and data extraction without multiple round-trips.","intents":["I want to extract all text content from a page for summarization or analysis","I need to run custom JavaScript to extract structured data (e.g., all product listings with prices)","I want to get the full HTML source of a page for parsing or analysis"],"best_for":["Web scraping agents that need to extract structured data from complex pages","Content extraction workflows (article text, product information, table data)","Agents that need to run custom logic in the page context (e.g., compute derived values)"],"limitations":["evaluate() can only return JSON-serializable data — functions, DOM nodes, and circular references will cause serialization errors","JavaScript execution timeout is fixed (typically 30s) — long-running scripts may timeout","evaluate() runs in page context with access to page globals but not Node.js modules","Large HTML responses (>10MB) may cause memory issues or MCP message size limits"],"requires":["Active Puppeteer page instance","Valid JavaScript code for evaluate() operations (must return JSON-serializable value)","Page must be fully loaded before extraction (agent should wait for network idle)"],"input_types":["JavaScript code string for evaluate() (e.g., 'document.title')","Selector string for targeted content extraction (optional)","Timeout integer in milliseconds (optional)"],"output_types":["Full page HTML as string (getContent)","Plain text content as string (getText)","JSON-serializable result from evaluate() (any JSON type: string, number, object, array, boolean, null)","Extraction metadata: {characterCount: number, elementCount: number}"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_5","uri":"capability://automation.workflow.viewport.and.device.emulation.configuration","name":"viewport-and-device-emulation-configuration","description":"Implements MCP tools for configuring browser viewport dimensions and device emulation settings including user agent, device pixel ratio, and mobile device profiles. Uses Puppeteer's setViewport() and emulate() APIs to simulate different devices and screen sizes, affecting page layout and rendering for responsive design testing.","intents":["I want to test how a page renders on mobile devices without owning physical devices","I need to change the viewport size to test responsive design breakpoints","I want to emulate specific device user agents and capabilities for testing"],"best_for":["Responsive design testing agents that need to verify layouts across devices","Mobile web application testing workflows","Web scraping agents that need to trigger mobile-specific content or layouts"],"limitations":["Device emulation is visual/CSS-based only — doesn't emulate actual device hardware capabilities (camera, GPS, accelerometer)","Viewport changes may require page reload to take effect for some CSS media queries","User agent spoofing may be detected by server-side checks or JavaScript feature detection","Touch event emulation is limited — complex gesture interactions may not work as expected"],"requires":["Active Puppeteer browser instance (must be set before page navigation for best results)","Valid viewport dimensions (width and height in pixels)","Device profile name if using predefined emulation (e.g., 'iPhone 12', 'iPad Pro')"],"input_types":["Viewport object: {width: number, height: number, deviceScaleFactor?: number}","Device name string (e.g., 'iPhone 12', 'Pixel 5', 'iPad Pro')","User agent string (optional)","Device pixel ratio number (optional, defaults to 1)"],"output_types":["JSON confirmation: {success: boolean, viewport: {width, height}, userAgent: string}","Current device emulation settings"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_6","uri":"capability://automation.workflow.cookie.and.session.management","name":"cookie-and-session-management","description":"Provides MCP tools for managing browser cookies and local storage including setCookie(), getCookies(), deleteCookie(), and clearCookies() operations. Enables agents to persist authentication state, manage session data, and simulate returning users. Implements Puppeteer's cookie APIs with JSON serialization for storage and restoration.","intents":["I want to log in once and then reuse the session across multiple page visits","I need to set specific cookies to test different user states or A/B variants","I want to clear all cookies and start with a fresh session for testing"],"best_for":["Authentication testing workflows that need to maintain logged-in state","Multi-step user journey automation that spans multiple pages","Testing agents that need to simulate different user states or permissions"],"limitations":["Cookies are browser-instance-specific — cannot be shared between separate browser processes without explicit export/import","No built-in encryption — sensitive cookies (auth tokens) are stored in plaintext in MCP responses","Local storage and session storage are not managed by cookie tools — separate JavaScript evaluation needed","Third-party cookies may be blocked by default in Chromium, affecting some testing scenarios"],"requires":["Active Puppeteer browser instance","Valid cookie domain (must match page domain for setCookie to work)","Page must be navigated to a domain before setting cookies for that domain"],"input_types":["Cookie object: {name: string, value: string, domain?: string, path?: string, expires?: number, httpOnly?: boolean, secure?: boolean, sameSite?: string}","Cookie name string (for deleteCookie)","Domain string (optional, for domain-specific operations)"],"output_types":["Array of cookie objects with all properties","JSON confirmation of cookie operations: {success: boolean, cookieCount: number}","Serialized cookies for export/storage"],"categories":["automation-workflow","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_7","uri":"capability://automation.workflow.network.request.interception.and.monitoring","name":"network-request-interception-and-monitoring","description":"Implements MCP tools for intercepting and monitoring network requests including request blocking, response mocking, and request/response inspection. Uses Puppeteer's request interception API to intercept XHR/fetch requests, allowing agents to block ads, mock API responses, or analyze network traffic. Returns structured request/response metadata for decision-making.","intents":["I want to block ads and tracking requests to speed up page loads","I need to mock API responses to test different data scenarios without hitting real backends","I want to monitor network requests to understand what data a page is fetching"],"best_for":["Performance testing agents that need to eliminate external dependencies","Testing workflows that need to simulate different API responses or failure scenarios","Web scraping agents that need to block ads or tracking to improve performance"],"limitations":["Request interception adds significant overhead (~20-30% slower page loads) because every request must be evaluated","Interception patterns are evaluated at runtime — complex patterns may cause performance degradation","Cannot intercept requests that occur before interception is enabled (must enable before navigation)","WebSocket and Server-Sent Events are not interceptable through standard request interception"],"requires":["Active Puppeteer page instance","Request interception must be enabled on the page before navigation","URL patterns for blocking/mocking (regex or string matching)"],"input_types":["URL pattern string or regex for request matching","Request type filter: 'xhr', 'fetch', 'document', 'stylesheet', 'image', 'media', 'font', 'script', 'texttrack', 'websocket', 'ping', 'csp_report', 'other'","Mock response object: {status: number, contentType: string, body: string}","Block flag (boolean)"],"output_types":["Array of intercepted requests with metadata: {url: string, method: string, resourceType: string, status?: number}","Request/response headers and body (if captured)","Confirmation of interception rules applied: {rulesCount: number, blockedCount: number}"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_8","uri":"capability://code.generation.editing.javascript.execution.and.page.context.evaluation","name":"javascript-execution-and-page-context-evaluation","description":"Provides MCP tool for executing arbitrary JavaScript code in the page context with full access to DOM, window object, and page globals. Supports both synchronous and asynchronous code execution with promise handling, returning JSON-serializable results. Enables agents to run custom logic, extract computed values, and interact with page JavaScript APIs.","intents":["I want to run custom JavaScript to extract data that requires complex DOM traversal or computation","I need to interact with page JavaScript APIs or frameworks (React, Vue, Angular) to trigger actions","I want to execute async operations like waiting for dynamic content or API calls within the page"],"best_for":["Advanced web scraping agents that need to extract data from JavaScript-heavy applications","Testing agents that need to interact with frontend frameworks or custom JavaScript APIs","Agents that need to perform complex data transformations within the page context"],"limitations":["Code execution timeout is fixed (typically 30s) — long-running or infinite loops will timeout","Return values must be JSON-serializable — functions, DOM nodes, and circular references cause errors","No access to Node.js modules or external libraries — only browser APIs available","Errors in executed code may not provide clear stack traces, making debugging difficult","Security risk if executing untrusted code — no sandboxing beyond Chromium's process isolation"],"requires":["Active Puppeteer page instance","Valid JavaScript code (must return JSON-serializable value)","Page must be loaded before execution (agent should wait for page ready)"],"input_types":["JavaScript code string (e.g., 'return document.querySelectorAll(\"a\").length')","Function parameters array (optional, for parameterized execution)","Timeout integer in milliseconds (optional, defaults to 30000)"],"output_types":["JSON-serializable result from code execution (any JSON type)","Execution metadata: {executionTime: number, resultType: string}","Error message if execution fails"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-hismaserver-puppeteer__cap_9","uri":"capability://automation.workflow.page.wait.and.synchronization.primitives","name":"page-wait-and-synchronization-primitives","description":"Implements MCP tools for waiting on page state changes including waitForNavigation(), waitForSelector(), waitForFunction(), and waitForTimeout(). Uses Puppeteer's wait APIs to synchronize agent actions with page state, preventing race conditions where actions occur before page is ready. Supports timeout configuration and error handling for wait failures.","intents":["I want to wait for a specific element to appear before interacting with it","I need to wait for a page to finish loading before extracting content","I want to wait for a custom condition (e.g., a JavaScript variable to be set) before proceeding"],"best_for":["Automation workflows with dynamic content that loads asynchronously","Testing agents that need to handle timing-dependent interactions","Web scraping agents that need to wait for JavaScript-rendered content"],"limitations":["Wait timeouts are fixed per call — no adaptive waiting based on page responsiveness","waitForFunction() requires valid JavaScript code that returns boolean — syntax errors cause immediate failure","Waiting for non-existent elements will timeout (no early detection of impossible conditions)","Multiple concurrent waits on the same page may interfere with each other"],"requires":["Active Puppeteer page instance","Valid CSS selector (for waitForSelector) or JavaScript code (for waitForFunction)","Timeout value in milliseconds (optional, defaults to 30000)"],"input_types":["CSS selector string (for waitForSelector)","JavaScript code string returning boolean (for waitForFunction)","Timeout integer in milliseconds (optional)","Visibility flag (for waitForSelector, wait for element to be visible)"],"output_types":["JSON confirmation: {success: boolean, elementFound?: boolean, conditionMet?: boolean, waitTime: number}","Error message if wait times out"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":33,"verified":false,"data_access_risk":"high","permissions":["Node.js 14+ (Puppeteer requirement)","Chrome or Chromium binary installed locally or accessible via PUPPETEER_EXECUTABLE_PATH","MCP-compatible client (Claude Desktop, LangChain with MCP support, or custom MCP consumer)","@modelcontextprotocol/sdk package for MCP server scaffolding","Active Puppeteer browser instance managed by the MCP server","Valid URL format for goto() operations","Network connectivity for remote page loads","Node.js 14+ runtime","MCP-compatible client with stdio transport support","Proper process environment setup (stdio must not be redirected before MCP initialization)"],"failure_modes":["Single browser instance per server process — concurrent requests share the same page context, requiring serialization of commands","No built-in session persistence — browser state is lost on server restart unless explicitly saved","Puppeteer performance overhead (~500ms startup per browser instance) may cause latency in agent decision loops","Limited to Chromium-based browsers; no Firefox or Safari support through Puppeteer","Navigation timeout is fixed or configurable per call but not adaptive — long-loading pages may timeout even if content is eventually available","No built-in retry logic for failed navigations — agent must implement retry strategy","goBack/goForward depend on browser history which may be empty or limited in headless context","Redirect chains are followed automatically but not exposed to the agent for inspection","Single server instance per process — cannot handle multiple concurrent browser sessions without process multiplication","Stdio transport requires process spawning overhead — each client connection requires a new server process","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.47,"ecosystem":0.49000000000000005,"match_graph":0.25,"freshness":0.6,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.15,"match_graph":0.23,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:23.903Z","last_scraped_at":"2026-05-03T14:23:40.931Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=npm-hismaserver-puppeteer","compare_url":"https://unfragile.ai/compare?artifact=npm-hismaserver-puppeteer"}},"signature":"puoeFt8w3M6Uu+U27oGIdfStHlCG5HsncHoO42xKqULatnIM6hzOExWbGX2e6OHjQv23iXkxYhPqu1H6Kh5FBg==","signedAt":"2026-06-21T13:16:11.428Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/npm-hismaserver-puppeteer","artifact":"https://unfragile.ai/npm-hismaserver-puppeteer","verify":"https://unfragile.ai/api/v1/verify?slug=npm-hismaserver-puppeteer","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}