Documentation Index
Fetch the complete documentation index at: https://docs.asteroid.ai/llms.txt
Use this file to discover all available pages before exploring further.
2026-04-26
What’s New
- Legacy migration helper: Added an in-app migration banner and modal to make moving older agents into the current experience easier.
- Visual output schema builder: You can now build JSON output schemas from a structured UI instead of editing raw JSON only.
- More predictable long-running executions: Soft timeout controls are now available, so runs end more gracefully when they exceed expected duration.
- Better run transparency in Activity: Handoff arguments and script-variable substitution steps are now surfaced, making it easier to understand why an execution behaved a certain way.
- Fixed key run-flow UI issues in execution views, including missing upload access in the run modal and sticky headers not tracking the active node consistently.
- Fixed multiple edge-case input issues (including dropped first characters after click-and-type in batch CUA flows) to improve automation accuracy.
2026-04-19
What’s New
- New Overview page: You can now see a high-level summary of agent and execution performance in one place.
- More powerful command palette: Quick actions and navigation are faster and easier to access.
- More stable long-running runs: timeout handling, provider fallback behavior, and execution pipeline routing were tightened to reduce stalled runs.
- Better instruction quality for form/data entry tasks: prompt guardrails were refined to reduce incorrect field handling during automation.
- Fixed memory file preview staleness and improved recording/execution status alignment for more trustworthy run monitoring.
2026-04-12
What’s New
- Build from empty: You can now generate an agent starting from a blank state.
- Email inbox view: Execution mode now includes an inbox view for email-driven automations.
- Faster heavy runs: snapshot compression and larger snapshot support improved performance for complex sessions.
- Run modal is simpler and now remembers batch settings between runs.
- Re-runs link more clearly to previous executions, making comparisons easier.
- Prompt updates improved action batching and script execution guidance, which helps agents complete multi-step tasks with fewer retries.
2026-04-05
What’s New
- Dashboard outcome cards now show totals for faster at-a-glance monitoring.
- More reliable high-volume automation: file-sync and download handling were hardened to better recover from rate limits and transient storage failures.
- Output result and activity visuals were refined for clearer execution feedback.
- Handoff and file-path prompt guidance was clarified so agents transfer work between phases more reliably in remote browser environments.
- Fixed empty script results not displaying correctly.
2026-03-29
What’s New
- Unified file workspace: Memory and files are now combined into one file experience with richer previews.
- Better tab management: Added tab context menus and drag-and-drop tab reordering.
- Added TOTP QR code reader support for easier MFA setup in automations.
- Faster execution paths: optimized mode defaults and reduced unnecessary model calls improved throughput on simpler workflows.
- Playwright code and script-failure cards are clearer, making debugging easier.
- Pause actions feel more responsive with optimistic UI updates.
- Prompt updates improved cross-node data flow and script output conventions, making multi-step workflows more predictable.
2026-03-22
What’s New
- Google Sheets import for batch runs: You can now launch bulk jobs directly from Sheets data.
- Added custom proxy gateway controls with better egress-IP visibility in profile setup.
- Better batch throughput controls: concurrent batch execution limits and per-agent defaults now make large runs more predictable.
- Batch execution settings are remembered per agent to reduce repeated setup work.
- Run modal prefill and execution results layout were cleaned up for faster review.
- Prompt behavior for selector transitions and learning/script modes was refined so agents finalize tasks more consistently.
- Fixed cancelled-message behavior and reliability issues that could cause confusing execution outcomes.
2026-03-15
What’s New
- Command palette and quick search: Navigate and run common actions faster.
- Mermaid diagram viewer: Diagram content now renders directly in the app.
- Improved execution traceability: activity logs now show richer assistant/turn context so slow or failed runs are easier to diagnose.
- Activity logs now group turns more clearly and include assistant text messages for better traceability.
- Workflow version differences are easier to review.
- Fixed hanging and multi-tab execution edge cases, with matching prompt updates to reduce instruction drift during long tasks.
2026-03-08
What’s New
- Shared files now support full in-app management, including creating, updating, and deleting files.
- New execution mode controls give you more flexibility over how runs are executed.
- File tooling expanded with a dedicated files tab and node-level file explorer.
- Faster startup for file-heavy runs: execution initialization and tool timeout behavior were improved for better stability.
- You can now export all files as a ZIP for easier sharing and archival.
- Prompt system updates introduced clearer execution-mode guidance and stronger save/script instructions, improving agent follow-through on complex runs.
- Reduced deterministic-mode failures by tightening fallback and script-format guidance in prompts.
2026-03-01
What’s New
- Shared files across runs: You can now store and reuse files across executions from the new shared files area.
- Organization renaming: Organizations can now be renamed directly.
- More graph-building flexibility: You can now drag a transition onto empty canvas space to create and connect a new node in one step.
- Better run stability controls: Long-running executions now handle timeouts, cancellation, and budget limits more reliably.
- Clearer context-window failures: When context limits are exceeded in Astro, the UI now shows a clear error state with recovery flow.
2026-02-22
What’s New
- Agent file manager: You can now browse agent files with a directory tree and manage files directly in the platform.
- Excel batch uploads: Batch runs now support
.xlsxand.xlsfiles in addition to CSV. - Save PDF tool: Agents can now save page content as PDFs and surface those files in the file manager.
- Larger file support: Execution-start file uploads now support significantly larger files (up to 200MB).
- More reliable recordings: Execution recordings now use in-house storage with more stable playback links.
- Fixed re-run flow so previous execution variables are prefilled correctly.
- Fixed workflow editing so agents with disconnected nodes can still be saved when appropriate.
2026-02-15
What’s New
- Duplicate agent profiles across organizations: You can now copy an existing profile into another org instead of recreating it from scratch.
- Smarter batch setup: CSV columns can now auto-map to workflow input fields, making large batch runs faster to configure.
- Webhook targeting filters: You can now set metadata-based filters for webhook notifications so events route to the right destination more precisely.
- Better activity clarity: Transition activity now shows clearer node summaries, making execution timelines easier to understand.
- More accurate analytics dates: Stats now respect your browser timezone to prevent misleading daily grouping.
2026-02-08
What’s New
- Agent profile pools: You can now group and manage profile pools, and use them directly from the run dialog.
- Batch executions: You can now launch and manage batch runs with CSV mapping tools from the platform.
- Rich instruction editing: Instruction fields now support rich markdown editing for easier prompt authoring.
- Better tab continuity: The app now remembers your last active tab and preserves search/filter state when navigating.
- Better profile configurability: Agent profiles now expose tracing and Tailscale proxy settings in the UI.
2026-02-01
What’s New
- New agent layout: Redesigned UI with tab management for a cleaner, more organized agent building experience.
- Scheduled executions: Schedule agents to run at specific times with the new scheduling system.
- Captcha handling: Agents can now detect, pause and handle CAPTCHA challenges during automation.
- PDF viewer toggle: Enable or disable PDF viewing in agent profile settings.
- Slack approval buttons: Execution notifications in Slack now include View and Approve action buttons.
- Schedule toggle: Enable or disable scheduled executions without deleting them.
- Refreshed UI layout with improved navigation and visual hierarchy.
- Rescheduling support for cancelled scheduled executions.
- Optimized activity component re-renders with memoization.
- Better error handling for validation failures in agent profiles.
- Fixed non-retryable failures when LLM didn’t perform any action.
- Fixed laggy search filter and pagination in model overrides modal.
2026-01-25
What’s New
- User profiles: First name and last name fields added to user accounts.
- Run from table: Execute agents directly from the agents table actions menu.
- Browser IP display: See the IP address used by the browser in execution environment details.
- JSON schema validation: Validate workflow data against JSON schemas.
- Enhanced proxy configuration options in agent profiles.
- Execution list now shows agent profile ID and inputs.
- Better agent workflow handling and state management.
- Improved model type definitions with enhanced language model support.
2026-01-18
What’s New
- Execution environment API: New API endpoints for managing agent execution environments.
- Key-value filters: Filter executions by custom metadata key-value pairs.
- Temporary file uploads: Upload temporary files when running evaluations.
- Enhanced execution table with agent and human label filtering options.
- Agent actions menu provides quick access to common agent operations.
- Better accessibility with aria-labels throughout the UI.
- Streamlined UI component library with workspace package migration.
2026-01-11
What’s New
- Recent execution outcomes: Agent stats now show the last 5 execution outcomes at a glance.
- Stop conversations: Pause or stop active Astro conversations.
- Graph diff visualization: See workflow changes visualized in the graph view.
- Output format validation: Validate output schemas with format constraints.
- Sandbox browser option: Choose between sandboxed and direct browser connections.
- Enhanced workflow publishing with better version handling.
- Improved Astro websocket reliability with hidden transient errors.
- Increased page size for agent profiles to 1000 for faster loading.
- Enhanced billing page usage tracking and visualization.
2026-01-04
What’s New
- Asteroid MCP server Beta: New Model Context Protocol server for LLM agent interaction.
- Sandbox environments: Run agents in isolated sandbox environments.
- Rename agent tool: Astro can now automatically suggest and apply agent names.
- List executions tool: Query execution history with workflow version filtering directly from Astro.
- Continue on node: New transition option allows agents to stay on the current node and continue processing.
- Execution status updates: Update execution status programmatically via the SDK.
- Advanced model search with text highlighting for easier selection.
- Connection status indicator shows real-time Astro connection state.
- Enhanced copy-paste in graph editor filters transitions based on connected nodes.
- Resolved file download condition to check for browser availability.
2025-12-28
What’s New
- New authentication system for improved security and enterprise SSO support.
- Increased token limits: Maximum tokens increased to 128,000 for more complex agent tasks.
- YAML file uploads: Upload YAML configuration files to your agents.
- Auto-accept workflow changes: Automatically accept Astro’s suggested workflow modifications.
- Auto-expanding chat input: Text area grows as you type for a better editing experience.
- Adblock enabled by default to prevent popup interference during browser automation.
- Renamed “dynamic data” to “inputs” for clearer terminology across the platform.
- Version history component replaces version selector for better workflow tracking.
- Responsive sidebar layout adapts to portrait and landscape modes.
- Enhanced credential management UI in agent profiles.
- Better scroll management in chat components.
- Resolved date range logic in average duration and outcomes charts.
- Fixed workflow state handling in operating context.
- Corrected agent workflows list invalidation on workflow commit.
2025-12-21
What’s New
- Screenshot tool: New
browser_take_screenshottool for capturing page screenshots during automation. - Script evaluation: Execute JavaScript directly on web pages with the new script eval action.
- PDF viewer settings: Configure PDF viewing behavior in browser settings.
- Author tracking: Workflows now track who created and modified them.
- Workflow version display: Executions now show which workflow version was used.
- PDF URL validation prevents accidentally navigating to PDFs in URL nodes.
- Lightweight workflow reference listing for faster agent loading.
- Enhanced query context support in activity tracking.
- Removed deprecated execution workflow update endpoints for cleaner API.
- Better error handling for display button tool instructions.
- Fixed execution stats queries to properly join on workflow table.
- Prevented deleting draft versions that have active executions.
2025-12-14
What’s New
- Browser live view: See real-time browser activity with the new live view URL.
- Create agent profiles from Astro: Build and configure agent profiles directly from the assistant.
- Workflow diff review: Visual overlay showing pending workflow changes before committing.
- Edit mode requests: Request edit access to workflows when viewing executions.
- Session from execution: Create new Astro sessions directly from execution mode.
- Character count with progress visualization when typing messages.
- Dynamic labels change based on your current operating context.
- Enhanced template agents with clearer login instructions.
- Improved outcomes distribution chart layout.
- Fixed form reset issues during auto-save in execution mode.
- Corrected proxy country code handling when creating agent profiles.
2025-12-07
What’s New
- Astro AI assistant: New intelligent assistant panel with interactive demo prompts, welcome header, and capability chips to help you get started faster.
- Auto-layout for graphs: New nodes are automatically arranged in a clean layout when added to the workflow.
- Initial prompts: Set an initial prompt when creating new agents to jumpstart workflows.
- Version notifications: Get notified when new platform updates are available.
- File attachments in chat: Send files up to 24MB through the WebSocket connection.
- Conversation management: Update and rename conversations directly from the UI.
- Markdown support in chat messages for richer formatting.
- Copy-to-clipboard button for UUIDs with improved UI feedback.
- Workflow validation now returns multiple errors at once for faster debugging.
- Force edit mode: Continue editing agents even when executions are running.
- Auto-select most recent conversation when opening the chat panel.
- Better loading and error states in the execution panel.
- Fixed tab reconnection issues when switching browser tabs.
- Resolved flashing when changing query params on agent page.
- Fixed mention menu dismissing when clicking scrollbar.
- Prevented message submission when mention menu is closed.
2025-11-30
What’s New
- Execution status counts: New API endpoint to get counts of executions by status.
- Publish workflow: Publish your staged workflow changes directly from the builder.
- Copy-paste for nodes: Copy and paste nodes and sticky notes in the graph editor.
- Script timeout: Set custom timeout values for script execution.
- Concurrent execution limits: Subscription tiers now include concurrent execution limits.
- Enhanced execution table with better data fetching and pagination experience.
- Centralized filter state management for cleaner execution filtering.
- Improved browser playback controls for landscape orientation.
- Better dialog sizing on small screens.
- Fixed current node handling in execution graph extraction.
- Resolved issues with expired subscription migrations.
- Fixed human labels dropdown placeholder text.
- Corrected execution stats dashboard click event handling.
2025-11-23
What’s New
- Slack channel management: Select specific Slack channels for your integration notifications.
- Event notification filtering: Filter notifications by specific event fields and values.
- Webhook v2: Expanded execution events with standardized webhook format.
- Output schema validation: Support for regex pattern validation in output properties.
- Resizable panels: New resizable panel components for flexible layouts.
- Billing management: View and manage your subscription directly in the platform.
- Simplified webhook configuration UI with streamlined settings.
- Enter key now sends messages in chat input.
- Activity stream shows transition types when moving between nodes.
- Improved conversation selector with smooth scrolling and sorting.
- Better button sizing and styling consistency across the platform.
- Enhanced execution overlay with double-click to expand.
- Fixed WebSocket “close sent” errors during connection closure.
- Fixed notification mapper errors in v2 notifications.
2025-11-16
What’s New
- Slack integration: Connect your Slack workspace to receive agent notifications directly in your channels.
- Documentation search: Agents can now query Asteroid documentation to help answer questions about the platform.
- Undo/redo support: Graph editor now supports undo/redo with keyboard shortcuts (Cmd/Ctrl+Z, Cmd/Ctrl+Shift+Z).
- Keyboard shortcuts modal: View all available keyboard shortcuts in the graph editor.
- Agent profile visibility: Executions table now shows which agent profile was used for each run.
- LLM call tracking: Activity stream now shows when agents are making AI model calls and for what purpose.
- Enhanced activity auto-scroll: Activity progress panel now auto-scrolls to follow agent actions in real-time.
- Streaming messages: Improved real-time streaming when sending messages to running agent executions.
- Better navigation tracking: Browser navigation actions now show timing and status in activity logs.
- Sidebar context: Sidebar items now show helpful subtitles for better navigation context.
- Improved duration charts: Average duration analytics now have better tooltips and layout.
- Fixed double scrolling issue on tables with pagination.
- Corrected line number display in scriptpad content.
- Resolved datetime formatting errors in certain timezones.
- Fixed streaming message handling in agent conversations.
2025-11-09
What’s New
- Execution filtering: Filter runs by agent, status, and date range.
- Execution metadata: Add custom key–value metadata to runs for better organization and searchability.
- Version selection when running agents.
- New unified Stats page with full historical analytics.
- Auto-generated node descriptions for clearer, easier-to-understand workflows.
- Playwright scripts now surface browser console logs for easier debugging.
- More detailed workflow failure diagnostics, with line-level script errors.
- Execution statistics now include average-duration metrics and support filtering by agent version.
- More reliable selector transitions with built-in retry logic.
- Better page-state capture during rapid navigation.
- Resolved failures caused by LLM calls returning only reasoning content.
- Corrected file listing display issues.
- Fixed date/time formatting in activity logs.
2025-10-31
What’s New
- Output Node Type: Define structured workflow outputs and custom outcomes beyond simple success/failure.
- Query Context Tool: AI Task nodes can agentically retrieve information from previous steps.
- Node-Level Context Management: More targeted, step-specific behavior control.
- get_datetime Tool: Retrieve current date/time in any timezone.
- freeze_script Option: Prevent unwanted script regeneration in Learn & Compile mode.
- Email tools:
send_mailandget_mail. - Sticky notes for annotating workflows.
- Upgraded AI model for Playwright script generation: higher reliability, better selectors, clearer flows.
- AI Task tools reorganized into capability categories.
- Improved workflow activity logs with richer details (API calls, file ops).
- Agents now signal more clearly when they’re blocked and require user assistance.
- Cookie handling during browser initialization.
- Transition failures in specific workflow patterns.
- Occasional browser disconnection issues.
- Workflow rendering issues affecting agent navigation.
- Better reasoning-mode alignment across model types.
- String-variable quoting issues in Playwright scripts.
- Error wrapping in API responses.
- Summarization performance improvements.
2025-09-30
What’s New
- Agent Listing API: Paginated, sortable agent listings through the External API.
- Real-time Graph Updates: Live updates to the workflow graph as you edit.
- Learn & Compile Mode: Combines AI-driven decisions with cached Playwright scripts for stable automation.
- AI-optimized node descriptions for more readable workflows.
- Raised file upload limits: 20MB/file and 100MB total.
- Faster, more reliable real-time streaming with better concurrency handling.
- Optional proxy settings in agent profiles.
- Enhanced Playwright script logs with detailed execution output.
- More reliable WebSocket activity updates.
- More specific API error messages and validations.
- More detailed error handling for workflow-graph update failures.
- Execution cancellation reliability improvements.
- Empty proxy fields no longer cause errors.
- More stable long-running automation sessions.
- Playwright LLM variable migration stability improvements.
- TOTP secret generation bug fixes.
2025-09-13
What’s New
- Added cookie management to agent profiles, allowing you to store and manage website cookies for your automation workflows
- Added new list_files and read_files tools for agents to work with context files during execution
- Added browser_fill_form action for simplified form completion
- Added support for JavaScript evaluation on web pages with the new browser_evaluate tool
- File uploads and downloads are now tracked in the activity stream, showing important metadata like filename, size, and type
- You can now use longer agent names up to 100 characters
- Special characters are now supported in agent names (previously limited to alphanumeric, #, -, _, and spaces)
- Enhanced file handling with better error messages and more consistent processing
- Browser form filling now shows field details in the activity log for better visibility
- Large model responses now automatically retry with increased token limits when needed
- Improved error handling and reliability for streaming connections
- File uploads for agent executions are more efficient and reliable
- Enhanced agent cancellation with more specific reasons (timeout, max steps, or user-requested)
- Improved reasoning display when the agent is thinking through complex tasks
- Enhanced WebSocket connection handling for more reliable real-time activity updates
- Workflow Flexibility: You can now have multiple end success and end failure nodes in your workflows.
- Better reliability for real-time updates during agent execution - the system now processes messages more efficiently and reliably, ensuring you get immediate updates about your agent’s activities
- Fixed duplicate activity messages that were incorrectly appearing in execution logs
- Fixed an issue where duplicate credential names could cause conflicts
- Fixed occasional connection errors during real-time activity streaming
- Fixed an issue where execution status was incorrectly displayed as “Starting” instead of “Running” when activities begin, providing more accurate status information in the interface
- Fixed issues with image handling in agent conversations
- Resolved a potential issue during execution cancellation that could prevent proper cancellation in certain cases
2025-08-25
What’s New
- Real-time activity updates for agent executions with the new activity streaming endpoint
- You can now send messages to a running agent execution via a new API endpoint
- Enhanced activity tracking with filtering options to view execution activities in your preferred order
- Improved file upload capabilities in agents, allowing for more seamless handling of user-provided files within agent workflows.
- Enhanced browser file download features that enable agents to access and work with files downloaded during browsing sessions.
- You can now select Windows as the operating system for your agent profiles, allowing you to run browser sessions that emulate Windows instead of macOS
- Activity streams now show detailed step progress, node transitions, and agent actions
- Agent statistics now include average execution time metrics
- Enhanced error messages for troubleshooting agent issues
- Added comprehensive API documentation to make integration easier
- Introduced API versioning with a new v2 endpoint structure for better backwards compatibility
- Better file metadata handling with improved MIME type detection and extension processing for more accurate file identification.
- Streamlined file notifications for agents, making it clearer when new files are available for use.
- More robust file handling with improved validation, sanitization, and error handling for increased reliability.
- Enhanced file activity messaging.
- Fixed reliability issues with browser actions by improving error handling
- Resolved problems with file downloading
- Fixed an issue where expired subscriptions couldn’t be upgraded without contacting support

