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* fix(tables): fix bulk ops truncation for tables larger than one page Bulk operations (column-header delete, select-all copy/cut/delete/run) were silently truncated to the first 1000 rows because handlers only iterated the loaded pages from useInfiniteQuery. Fix: - Extract tableRowsInfiniteOptions factory (infiniteQueryOptions) so the hook and imperative drain share the same typed cache key - Add background drain via useEffect watching hasNextPage/isFetchingNextPage — chains fetchNextPage until getNextPageParam returns undefined - Add ensureAllRowsLoaded to use-table: reads cache via getQueryData + calls fetchNextPage in a while loop until the last page is partial - Await ensureAllRowsLoaded at every kind:'all' bulk-op entry point in table-grid (column delete, copy, cut, action-bar delete/run) - Add chunkBatchUpdates to send updates in MAX_BULK_OPERATION_SIZE=1000 chunks so server validation never rejects oversized batches - Fix undo-redo: make executeAction async and chunk clear-cells, update-cells, and delete-column cell-restore with mutateAsync loops Tests: 41 passing across use-table, tables queries, and use-table-undo * chore(tables): remove extraneous comments * fix(tables): add missing useEffect import; chunk range-selection delete and cut * fix(tables): add hasRunningGroupExecution and import it * fix(tables): define mergePagePreservingIdentity helper used in polling cache merge * fix(tables): define ROWS_POLL_INTERVAL_WHILE_RUNNING_MS constant used in polling loop * fix(tables): capture rowSel before await in delete handler; handle clipboard NotAllowedError * fix(tables): abort cut on clipboard NotAllowedError to prevent silent cell deletion * fix(tables): push undo before chunkBatchUpdates to survive partial chunk failures * fix(tables): use text input for number cells; idle poll backoff; csv error toast; column-cut drain * fix(tables): audit fixes — column-copy drain, polling scope, merge identity - Fix polling tick: move Promise.all inside else-branch so dirty[] stays in scope; keep hasDirty=true during active mutations so the short interval fires while chunked batch-updates are in flight - Add isColumnSelectionRef branch to handleCopy (mirrors handleCut fix): column-header Cmd+C now drains all pages before building clipboard content - Replace String(updatedAt) comparison in mergePagePreservingIdentity with Date.getTime() equality — handles ISO vs +00:00 timezone variants - Remove redundant batchUpdates.length > 0 guards at chunkBatchUpdates callsites (empty-array case is handled inside the function) - Export _mergePagePreservingIdentity for unit testing - Add 6 unit tests covering mergePagePreservingIdentity edge cases * improvement(tables): cleanup — extract components, stabilize callbacks, fix ref sync * improvement(tables): remove polling, eager drain, and parallelize batch updates - Drop the per-page polling loop — SSE stream already patches execution cell state in real time and invalidates on buffer prune; polling was redundant and burned CPU/network on every open table - Remove eager mount drain (fetchNextPage loop in use-table.ts); scroll handler and ensureAllRowsLoaded handle progressive/on-demand loading - Parallelize chunkBatchUpdates with a 3-worker pool instead of serial chunks, reducing bulk-op round-trips by ~3x - Delete mergePagePreservingIdentity and its tests (no longer called) * chore(tables): remove stale comments and dead defensive code - Fix chunkBatchUpdates JSDoc to reflect parallel dispatch (was "sequentially") - Inline CHUNK_CONCURRENCY=3, single-use constant needs no abstraction - Drop stale "Polls while any cell is in flight" from useTableRows JSDoc - Remove two generic "Validation errors surfaced by caller" comments - Remove ASCII separator line from workflow group mutations section - Remove dead `if (!variables) return` guard in useImportCsvIntoTable onSettled (TanStack v5 always provides variables to onSettled) * fix(tables): run-all selection sends all rows to server, not just loaded pages When rowSelection.kind === 'all', selectedRunScope now flags allRows: true. The action-bar run handlers pass rowIds: undefined to the server when allRows is set, matching the server contract (missing rowIds = run all eligible rows). Stop likewise routes through scope: 'all' instead of per-row cancels. Previously, selecting all rows and clicking Run would silently only run the rows loaded in the current infinite-query cache (potentially one page of 1000 on a 5000-row table). * test(tables): remove background-drain describe block (behavior intentionally removed) * fix(tables): surface CSV import error toast; remove dead hasRunningGroupExecution * fix(tables): make runWithoutRecording async-aware so undoRedoInProgress covers full undo execution * feat(tables): render URL cells with favicon and clickable link * feat(tables): clickable URL cells with favicons using tldts
The open-source platform to build AI agents and run your agentic workforce. Connect 1,000+ integrations and LLMs to orchestrate agentic workflows.
Build Workflows with Ease
Design agent workflows visually on a canvas—connect agents, tools, and blocks, then run them instantly.
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Leverage Copilot to generate nodes, fix errors, and iterate on flows directly from natural language.
Integrate Vector Databases
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Quickstart
Cloud-hosted: sim.ai
Self-hosted: NPM Package
npx simstudio
Note
Docker must be installed and running on your machine.
Options
| Flag | Description |
|---|---|
-p, --port <port> |
Port to run Sim on (default 3000) |
--no-pull |
Skip pulling latest Docker images |
Self-hosted: Docker Compose
git clone https://github.com/simstudioai/sim.git && cd sim
docker compose -f docker-compose.prod.yml up -d
Sim also supports local models via Ollama and vLLM — see the Docker self-hosting docs for setup details.
Self-hosted: Manual Setup
Requirements: Bun, Node.js v20+, PostgreSQL 12+ with pgvector
- Clone and install:
git clone https://github.com/simstudioai/sim.git
cd sim
bun install
bun run prepare # Set up pre-commit hooks
- Set up PostgreSQL with pgvector:
docker run --name simstudio-db -e POSTGRES_PASSWORD=your_password -e POSTGRES_DB=simstudio -p 5432:5432 -d pgvector/pgvector:pg17
Or install manually via the pgvector guide.
- Configure environment:
cp apps/sim/.env.example apps/sim/.env
# Create your secrets
perl -i -pe "s/your_encryption_key/$(openssl rand -hex 32)/" apps/sim/.env
perl -i -pe "s/your_internal_api_secret/$(openssl rand -hex 32)/" apps/sim/.env
perl -i -pe "s/your_api_encryption_key/$(openssl rand -hex 32)/" apps/sim/.env
# DB configs for migration
cp packages/db/.env.example packages/db/.env
# Edit both .env files to set DATABASE_URL="postgresql://postgres:your_password@localhost:5432/simstudio"
- Run migrations:
cd packages/db && bun run db:migrate
- Start development servers:
bun run dev:full # Starts Next.js app and realtime socket server
Or run separately: bun run dev (Next.js) and cd apps/sim && bun run dev:sockets (realtime).
Copilot API Keys
Copilot is a Sim-managed service. To use Copilot on a self-hosted instance:
- Go to https://sim.ai → Settings → Copilot and generate a Copilot API key
- Set
COPILOT_API_KEYenvironment variable in your self-hosted apps/sim/.env file to that value
Environment Variables
See the environment variables reference for the full list, or apps/sim/.env.example for defaults.
Tech Stack
- Framework: Next.js (App Router)
- Runtime: Bun
- Database: PostgreSQL with Drizzle ORM
- Authentication: Better Auth
- Schema Validation: Zod
- UI: Shadcn, Tailwind CSS
- Streaming Markdown: Streamdown
- State Management: Zustand, TanStack Query
- Flow Editor: ReactFlow
- Docs: Fumadocs
- Monorepo: Turborepo
- Realtime: Socket.io
- Background Jobs: Trigger.dev
- Remote Code Execution: E2B
- Isolated Code Execution: isolated-vm
Contributing
We welcome contributions! Please see our Contributing Guide for details.
License
This project is licensed under the Apache License 2.0 - see the LICENSE file for details.
Made with ❤️ by the Sim Team