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Components

Reusable building blocks for your ontology, applications, and agents.

Discover your next building block

Featured

Building blocks from Bijection and the open-source community.

AI Agent

Agent threads, tools and streaming

bijectionhq
129.8K / week · upstream npm
AI & AgentsIncluded

Workflow

Durable workflow execution

bijectionhq
226.9K / week · upstream npm
Durable FunctionsIncluded

RAG

Chunking and semantic retrieval

bijectionhq
59.2K / week · upstream npm
AI & AgentsIncluded

Daytona

Sandbox lifecycle and execution

bijectionhq
179 / week · upstream npm
SandboxesIncluded

Cloudflare R2

Cloudflare R2 file storage

bijectionhq
86.1K / week · upstream npm
StoragePreview

Stripe

Checkout, subscriptions and billing

bijectionhq
105.3K / week · upstream npm
PaymentsIncluded

Workpool

Concurrency-limited background work

bijectionhq
392.4K / week · upstream npm
Durable FunctionsIncluded

Presence

Room presence and online status

bijectionhq
72.6K / week · upstream npm
CollaborationPreview

Resend

Transactional email delivery

bijectionhq
107.5K / week · upstream npm
MessagingPreview

Agentmail

Agent inboxes and email synchronization

bijectionhq
403 / week · upstream npm
MessagingPreview

AI Budget

AI usage metering and budget reservations

bijectionhq
5.9K / week · upstream npm
AI & AgentsReference

Boat

Boat cloud sandboxes (full root Linux VMs) as a Bijection component: reactive state, retry-safe create, exec, files, preview URLs, coding agents.

bijectionhq
28 / week · upstream npm
SandboxesPreview

Boxd

Composable computer lifecycle

bijectionhq
11 / week · upstream npm
SandboxesPreview

Context

Bijection component for calling the Context.dev API from Bijection functions.

bijectionhq
1.1K / week · upstream npm
AI & AgentsPreview

E2B Sandboxes

E2B sandboxes for Bijection agent applications

bijectionhq
20 / week · upstream npm
SandboxesPreview

Firecrawl

Web extraction and durable crawls

bijectionhq
1.1K / week · upstream npm
Web & SearchPreview

Freestyle

Sandbox execution

bijectionhq
4 / week · upstream npm
SandboxesPreview

Hosting

Static files and server-rendered pages from your backend's Convex deployment. Files follow Cloudflare Workers rules. TanStack Start adapter available.

samebase
1.5K / week · upstream npm
IntegrationsUpstream

MCP Server

Application MCP server implementation

bijectionhq
2.4K / week · upstream npm
AI & AgentsIncluded

PostHog

Product analytics and feature flags

bijectionhq
54.7K / week · upstream npm
AnalyticsPreview

Railway Buckets

Store files in Railway Buckets from Convex, with presigned browser uploads, access checks, and file metadata kept in Convex.

leoisadev1
0 / week · upstream npm
IntegrationsUpstream

Static Hosting

Static application hosting

bijectionhq
16.2K / week · upstream npm
StoragePreview

Tenki

Tenki Sandboxes for Bijection: cloud sandboxes for AI agents, with live state in your Bijection tables.

bijectionhq
32 / week · upstream npm
SandboxesPreview

Bijection Components

Building blocks for operational applications on Bijection.

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AI & Agents

Agents, memory, retrieval, and tools for intelligent applications.

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Authentication

Identity, membership, and application access control.

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Database & Backend

Reusable data structures, caching, counters, and application state.

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Durable Functions

Workflows, background jobs, retries, and recurring schedules.

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Collaboration

Presence, shared documents, comments, and multiplayer experiences.

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Sandboxes

Connect your applications and agents to external sandbox providers.

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Integrations

Connect third-party services and APIs to your application.

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Messaging

Email, SMS, notifications, chat, and webhooks.

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Storage

File uploads, object storage, and content delivery.

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Payments

Payments, subscriptions, billing, and usage metering.

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Web & Search

Search, extract web content, and automate browsers.

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Media

Video, images, speech, and media processing.

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Analytics

Product analytics and analytical event export.

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Content Management

Publish and manage application content.

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Geospatial

Geometry, geographic data, and spatial application helpers.

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Libraries

Shared helpers for component authors and application developers.

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Build once. Share with everyone.

Package your ideas into a reusable Bijection component.

Submit a component

Frequently Asked Questions

What are Bijection components?

Reusable packages for application data and behavior. Browse a component, inspect its source, and follow its documentation to integrate it into your Bijection application.

What do the status badges mean?

Included means the component source is pinned in Bijection's workspace. Preview means it is a source candidate for evaluation. Reference entries are available for comparison or inspiration. These labels do not claim runtime qualification or npm publication.

How do I install a component?

Open its detail page to get the exact source revision and documentation. Follow the package README for setup and dependencies, and check compatibility with your SDK. Package names in the catalog are source identities, not a guarantee of registry availability.

Can I build and submit my own?

Yes. Build a reusable component with a public source repository, a clear license, and setup documentation. Use Submit a component to send it to the Bijection team for review.

Where does compute run?

Bijection integrates with external compute providers. Components for sandboxes and external services connect to those providers; you configure their credentials and run workloads on the providers you choose.

Do components cost money?

Check each component's license and external service requirements. Third-party providers may charge for their services, and Bijection usage follows your plan.

For Agents

Explore the same catalog as structured data or Markdown. Each component also includes documentation and a downloadable agent skill.