{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"github-e2b-dev--e2b","slug":"e2b-dev--e2b","name":"E2B","type":"agent","url":"https://e2b.dev/docs","page_url":"https://unfragile.ai/e2b-dev--e2b","categories":["ai-agents"],"tags":["agent","ai","ai-agent","ai-agents","code-interpreter","copilot","development","devtools","gpt","gpt-4","javascript","llm","nextjs","openai","python","react","software","typescript"],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"github-e2b-dev--e2b__cap_0","uri":"capability://automation.workflow.isolated.cloud.sandbox.lifecycle.management.with.multi.sdk.support","name":"isolated cloud sandbox lifecycle management with multi-sdk support","description":"Creates, connects to, pauses, and terminates ephemeral cloud sandboxes through a unified API exposed via JavaScript/TypeScript and Python SDKs. The Sandbox class manages lifecycle state transitions (create → connect → pause/kill) with automatic connection pooling and configurable timeouts. Separates sandbox lifecycle concerns from runtime operations, enabling agents to spawn isolated execution environments without managing infrastructure directly.","intents":["I need to spin up a temporary isolated environment to execute untrusted AI-generated code safely","I want to pause a sandbox mid-execution and resume it later without losing state","I need to manage multiple concurrent sandboxes from a single agent process"],"best_for":["AI agent builders executing code from LLM outputs","Enterprise teams requiring sandboxed code execution with audit trails","Developers building code-generation tools that need runtime isolation"],"limitations":["Sandbox state is ephemeral by default — requires explicit persistence configuration for long-lived state","Connection pooling adds ~50-100ms overhead per new sandbox creation","Pause/resume functionality may not preserve all process state (e.g., open file handles, network connections)"],"requires":["E2B API key (from e2b.dev account)","Node.js 14+ (JavaScript SDK) or Python 3.8+ (Python SDK)","Network connectivity to E2B cloud infrastructure"],"input_types":["sandbox configuration object (template, environment variables, timeout)","sandbox ID string (for reconnection)"],"output_types":["Sandbox instance object with methods for file/command operations","sandbox metadata (ID, creation timestamp, status)"],"categories":["automation-workflow","infrastructure-as-code"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_1","uri":"capability://data.processing.analysis.filesystem.operations.with.dual.rest.grpc.protocol.abstraction","name":"filesystem operations with dual rest/grpc protocol abstraction","description":"Provides unified file I/O operations (read, write, list, delete, mkdir) on sandbox filesystems through a Filesystem class that transparently routes operations via REST or gRPC depending on payload size and latency requirements. Implements automatic protocol selection: REST for small files (<1MB), gRPC for streaming large files. Supports file watching via watchHandle for reactive code execution patterns.","intents":["I need to upload code files to a sandbox before execution and download results after","I want to monitor filesystem changes in a sandbox in real-time and trigger actions","I need to efficiently transfer large datasets (>100MB) to/from a sandbox without timeout"],"best_for":["Agents that generate code files and need to stage them in sandboxes","Data processing pipelines that stream large files between agent and sandbox","Interactive development tools that watch sandbox filesystem for changes"],"limitations":["File watching (watchHandle) has ~200-500ms latency due to polling overhead","Automatic protocol selection adds ~10-20ms decision overhead per operation","No built-in compression — large file transfers consume full bandwidth","Filesystem operations are not atomic — concurrent writes may cause corruption"],"requires":["Active Sandbox instance","File paths must be absolute (e.g., /home/user/file.txt)","Write permissions on target directories in sandbox"],"input_types":["file path (string)","file content (string, Buffer, or stream)","directory path (string)"],"output_types":["file content (string or Buffer)","directory listing (array of file metadata objects)","watch event stream (filename, event type)"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_10","uri":"capability://automation.workflow.sandbox.persistence.and.state.management.across.pause.resume.cycles","name":"sandbox persistence and state management across pause/resume cycles","description":"Enables sandboxes to be paused (suspending execution and freeing resources) and resumed later with filesystem and process state preserved. Implements state snapshots at pause time and restoration on resume, allowing agents to implement checkpoint-based workflows. Supports metadata persistence (custom tags, creation time) across pause/resume cycles for tracking and auditing.","intents":["I want to pause a long-running computation, free resources, and resume it later without losing progress","I need to checkpoint sandbox state periodically for fault tolerance","I want to implement cost optimization by pausing idle sandboxes and resuming them on demand"],"best_for":["Long-running agent workflows with checkpoint requirements","Cost-sensitive deployments optimizing resource usage","Fault-tolerant systems requiring state recovery"],"limitations":["State snapshots are not guaranteed to be consistent — in-flight operations may be lost","Process state (open files, network connections) may not survive pause/resume","Pause/resume operations take 10-30 seconds depending on sandbox size","No built-in versioning of snapshots — only latest state is preserved"],"requires":["Active Sandbox instance","Sufficient storage for state snapshots (varies by sandbox size)"],"input_types":["sandbox ID (for resume operation)"],"output_types":["pause confirmation (boolean)","resume confirmation (boolean)","sandbox state object (metadata, filesystem snapshot)"],"categories":["automation-workflow","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_11","uri":"capability://automation.workflow.monorepo.build.system.with.pnpm.and.automated.sdk.publishing","name":"monorepo build system with pnpm and automated sdk publishing","description":"Organizes E2B as a pnpm monorepo with multiple packages (JS SDK, Python SDK, CLI, docs) sharing dependencies and build configuration. Automated CI/CD pipeline builds, tests, and publishes SDKs to npm (JavaScript) and PyPI (Python) registries on each release. Shared build tooling (TypeScript, ESLint, Jest) ensures consistency across packages.","intents":["I want to contribute to E2B and understand how to build and test changes locally","I need to ensure my changes don't break other packages in the monorepo","I want to understand the release process for new SDK versions"],"best_for":["E2B contributors and maintainers","Teams forking E2B for custom deployments","Developers building extensions or plugins for E2B"],"limitations":["pnpm workspace requires pnpm 7+ — npm/yarn may not work correctly","Build configuration is shared — package-specific customization is limited","CI/CD pipeline is GitHub Actions-specific — porting to other CI systems requires rewriting","No built-in support for monorepo-wide version bumping — manual coordination required"],"requires":["pnpm 7+ (for workspace management)","Node.js 16+ (for build tooling)","Python 3.8+ (for Python SDK builds)","Git (for version control and CI/CD)"],"input_types":["source code changes (TypeScript, Python)","version bump (for releases)"],"output_types":["built artifacts (JavaScript bundles, Python wheels)","published packages (npm, PyPI)","test reports (Jest, pytest)"],"categories":["automation-workflow","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_2","uri":"capability://code.generation.editing.command.execution.with.pty.pseudo.terminal.support.and.streaming.output","name":"command execution with pty (pseudo-terminal) support and streaming output","description":"Executes arbitrary shell commands in sandboxes via a Commands class that supports both non-interactive execution (exec) and interactive pseudo-terminal sessions (PTY). 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Handles signal propagation (SIGTERM, SIGKILL) for process termination and exit code capture.","intents":["I need to run a Python script in a sandbox and capture its output line-by-line as it executes","I want to run an interactive shell session where I can send commands and receive responses dynamically","I need to execute a long-running process (e.g., server) and terminate it gracefully after a timeout"],"best_for":["AI agents that execute code and need to parse/react to streaming output","Interactive REPL-like tools (Jupyter notebooks, Python shells) running in sandboxes","Build/test automation that requires real-time process monitoring"],"limitations":["PTY mode adds ~50-100ms latency vs non-interactive exec due to terminal emulation overhead","Output streaming has ~100-200ms buffering delay before events fire","Signal handling is best-effort — some processes may ignore SIGTERM and require SIGKILL","No built-in output size limits — extremely verbose processes may cause memory pressure"],"requires":["Active Sandbox instance","Command must be valid for sandbox OS (typically Linux)","Process must complete or be explicitly terminated (no infinite processes)"],"input_types":["command string (e.g., 'python script.py --arg value')","environment variables object","working directory path","timeout in milliseconds"],"output_types":["exit code (integer)","stdout stream (string chunks via event emitter or async iterator)","stderr stream (string chunks via event emitter or async iterator)","process object with kill/terminate methods"],"categories":["code-generation-editing","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_3","uri":"capability://automation.workflow.template.based.sandbox.configuration.with.dockerfile.and.environment.composition","name":"template-based sandbox configuration with dockerfile and environment composition","description":"Defines reusable sandbox configurations as Templates that specify base OS, installed packages, environment variables, and startup commands. Templates are built from Dockerfiles or declarative YAML, cached in a registry, and referenced by name when creating sandboxes. The Template Builder API supports incremental builds with layer caching, reducing provisioning time for repeated sandbox creation. Supports both pre-built templates (Python, Node.js, etc.) and custom templates via Dockerfile.","intents":["I want to create a reusable sandbox template with Python 3.11 + specific ML libraries pre-installed","I need to version-control my sandbox environment configuration alongside my agent code","I want to cache template builds so repeated sandbox creation is fast (seconds, not minutes)"],"best_for":["Teams deploying multiple agents with consistent sandbox environments","Developers building specialized execution environments (ML, data processing, web dev)","Organizations requiring reproducible, auditable sandbox configurations"],"limitations":["Template builds are synchronous and can take 2-5 minutes for complex Dockerfiles","Layer caching is registry-specific — cache misses require full rebuild","Dockerfile syntax errors are only caught at build time, not template definition time","No built-in template versioning — overwriting a template affects all sandboxes using it"],"requires":["E2B CLI or SDK with template building support","Valid Dockerfile or YAML template definition","E2B API key for registry access","Docker knowledge (for Dockerfile-based templates)"],"input_types":["Dockerfile (text)","YAML template definition (text)","environment variables object","startup command string"],"output_types":["Template object with ID and metadata","template build logs (string)","cached template reference (for sandbox creation)"],"categories":["automation-workflow","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_4","uri":"capability://tool.use.integration.grpc.and.rest.protocol.dual.stack.with.automatic.fallback","name":"grpc and rest protocol dual-stack with automatic fallback","description":"Implements bidirectional communication between client SDKs and E2B infrastructure via gRPC (for low-latency, streaming operations) and REST (for compatibility and simplicity). The connection layer automatically selects protocols based on operation type: gRPC for file streaming and command output, REST for metadata operations. Includes automatic fallback if gRPC is unavailable (e.g., firewall restrictions), ensuring reliability across network conditions.","intents":["I need low-latency streaming of large file transfers and command output from sandboxes","I'm behind a corporate firewall that blocks gRPC but allows HTTPS — I need fallback to REST","I want to minimize bandwidth usage for metadata-heavy operations (listing files, checking status)"],"best_for":["High-performance agent systems requiring sub-100ms latency for streaming","Enterprise deployments with restrictive network policies","Developers building tools that work across diverse network environments"],"limitations":["Automatic protocol selection adds ~5-10ms decision overhead per operation","gRPC requires HTTP/2 support — some proxies/firewalls may block it","REST fallback has ~2-3x higher latency for streaming operations vs gRPC","Protocol selection is not configurable per-operation — uses heuristics only"],"requires":["Network connectivity to E2B API endpoints","gRPC support in client environment (Node.js 12+, Python 3.6+)","TLS/HTTPS support for secure communication"],"input_types":["operation type (metadata, streaming, command)","payload size (bytes)","connection configuration object"],"output_types":["response data (varies by operation)","protocol used (gRPC or REST, for debugging)","latency metrics (milliseconds)"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_5","uri":"capability://data.processing.analysis.sandbox.metadata.filtering.and.querying.with.observability.metrics","name":"sandbox metadata filtering and querying with observability metrics","description":"Exposes sandbox metadata (creation time, status, resource usage, template ID) and filtering/querying capabilities to enable agents to discover, monitor, and manage sandbox fleets. Provides metrics collection (CPU, memory, disk usage) and observability hooks for integration with monitoring systems. Supports filtering sandboxes by status, template, creation time, and custom metadata tags.","intents":["I need to list all active sandboxes and their resource usage to implement auto-scaling","I want to monitor CPU/memory metrics from sandboxes to detect runaway processes","I need to tag sandboxes with custom metadata (e.g., agent ID, job ID) for tracking and cleanup"],"best_for":["Multi-agent systems managing large sandbox fleets","Operations teams monitoring agent resource consumption","Developers building sandbox lifecycle automation (auto-cleanup, cost optimization)"],"limitations":["Metadata queries have ~100-200ms latency due to backend aggregation","Metrics are sampled at ~1-minute intervals — fine-grained real-time monitoring not available","Custom metadata tags are limited to 100 tags per sandbox","No built-in alerting — requires external monitoring integration"],"requires":["Active Sandbox instances","E2B API key with read permissions","Optional: monitoring system integration (Prometheus, DataDog, etc.)"],"input_types":["filter criteria object (status, template, time range, tags)","metric type (cpu, memory, disk)","custom metadata tags object"],"output_types":["sandbox metadata array (ID, status, creation time, template, tags)","metrics object (CPU %, memory MB, disk GB)","filtered sandbox list"],"categories":["data-processing-analysis","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_6","uri":"capability://automation.workflow.cli.tool.for.template.management.and.sandbox.operations","name":"cli tool for template management and sandbox operations","description":"Command-line interface (@e2b/cli) for building, publishing, and managing templates, as well as creating and inspecting sandboxes without SDK code. Supports template build with caching, registry publishing, and sandbox creation from templates. Includes authentication via API key and commands for listing templates, inspecting sandbox status, and executing commands in running sandboxes.","intents":["I want to build and test a custom sandbox template locally before using it in my agent","I need to publish a template to the registry so my team can reference it by name","I want to debug a running sandbox by executing commands interactively via CLI"],"best_for":["DevOps engineers managing sandbox templates and infrastructure","Developers debugging agent behavior by inspecting sandbox state","Teams automating template builds in CI/CD pipelines"],"limitations":["CLI is synchronous — no streaming output for long-running operations","Template builds require Docker to be installed and running locally","No built-in template validation — errors only appear during build","Interactive sandbox debugging is limited to simple command execution (no full shell)"],"requires":["Node.js 14+ (for @e2b/cli installation)","Docker installed and running (for template builds)","E2B API key configured via environment variable or config file","npm or yarn for CLI installation"],"input_types":["Dockerfile or YAML template definition","template name and version","sandbox ID (for inspection/debugging)","command string (for execution in sandbox)"],"output_types":["build logs (text)","template ID and registry URL","sandbox metadata (JSON)","command output (text)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_7","uri":"capability://safety.moderation.error.handling.and.typed.exceptions.with.detailed.diagnostics","name":"error handling and typed exceptions with detailed diagnostics","description":"Provides structured error types (SandboxError, FilesystemError, CommandError, etc.) with detailed diagnostic information including error codes, messages, and context. Errors include stack traces, operation details, and suggestions for remediation. Enables agents to implement sophisticated error recovery logic by catching specific exception types and inspecting error properties.","intents":["I need to distinguish between transient network errors and permanent sandbox failures to implement retry logic","I want to provide users with helpful error messages when sandbox operations fail","I need to log detailed error context for debugging agent failures in production"],"best_for":["Agents implementing resilient error recovery and retry strategies","Production systems requiring detailed error logging and diagnostics","Developers building user-facing tools that need helpful error messages"],"limitations":["Error messages are English-only — no i18n support","Some errors lack actionable remediation suggestions","Error context is limited to operation-level details (no full request/response bodies)","Stack traces may be truncated for very deep error chains"],"requires":["TypeScript or JavaScript with type checking enabled","Error handling code (try/catch blocks)"],"input_types":["exception object (thrown by SDK)"],"output_types":["error code (string, e.g., 'SANDBOX_NOT_FOUND')","error message (string)","error context object (operation details, timestamps)","stack trace (string)"],"categories":["safety-moderation","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_8","uri":"capability://automation.workflow.connection.configuration.with.automatic.retry.timeout.and.pooling","name":"connection configuration with automatic retry, timeout, and pooling","description":"Configurable connection layer (connectionConfig) that manages SDK-to-infrastructure communication with automatic retry logic (exponential backoff), configurable timeouts per operation, and connection pooling. Supports custom retry policies, timeout overrides, and connection reuse to optimize latency and resource usage. Handles transient failures transparently without requiring agent code changes.","intents":["I want my agent to automatically retry failed operations without manual retry logic","I need to set different timeouts for different operations (e.g., 5s for metadata, 60s for file uploads)","I want to reuse connections across multiple operations to reduce latency"],"best_for":["Production agents requiring resilience to transient network failures","High-throughput systems optimizing connection reuse and latency","Teams with custom timeout requirements for specific operations"],"limitations":["Retry logic uses exponential backoff with fixed multiplier — not customizable per operation","Connection pooling is automatic and not directly configurable","Timeout overrides are global, not per-operation","No built-in circuit breaker — repeated failures may cause cascading delays"],"requires":["E2B API key","Network connectivity to E2B infrastructure"],"input_types":["connection configuration object (timeout, retry policy, pool size)","operation-specific timeout override (milliseconds)"],"output_types":["connection object (internal, not directly exposed)","retry metrics (attempts, backoff delays)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-e2b-dev--e2b__cap_9","uri":"capability://code.generation.editing.multi.language.sdk.parity.with.language.idiomatic.apis","name":"multi-language sdk parity with language-idiomatic apis","description":"Provides JavaScript/TypeScript and Python SDKs with feature parity and language-idiomatic APIs (async/await in JS, asyncio in Python). Both SDKs expose the same core capabilities (sandbox lifecycle, filesystem, commands, templates) but use native language patterns (Promises vs asyncio, event emitters vs iterators). Code generation from OpenAPI schema ensures consistency across SDKs.","intents":["I want to use E2B from Python (my primary language) with the same API as JavaScript","I need async/await support in my Node.js agent for non-blocking sandbox operations","I want to share sandbox templates between Python and JavaScript agents"],"best_for":["Polyglot teams using both Python and JavaScript for agent development","Developers migrating between Python and JavaScript implementations","Organizations standardizing on E2B across multiple language ecosystems"],"limitations":["SDK versions may lag each other by 1-2 releases during development","Some language-specific features (e.g., type hints in Python) may not have exact JS equivalents","Documentation examples may favor one language over the other","Performance characteristics may differ between SDKs due to language runtime differences"],"requires":["Node.js 14+ (JavaScript SDK) or Python 3.8+ (Python SDK)","E2B API key"],"input_types":["same across both SDKs (sandbox config, file paths, commands)"],"output_types":["same across both SDKs (Sandbox objects, file content, command output)"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":47,"verified":false,"data_access_risk":"high","permissions":["E2B API key (from e2b.dev account)","Node.js 14+ (JavaScript SDK) or Python 3.8+ (Python SDK)","Network connectivity to E2B cloud infrastructure","Active Sandbox instance","File paths must be absolute (e.g., /home/user/file.txt)","Write permissions on target directories in sandbox","Sufficient storage for state snapshots (varies by sandbox size)","pnpm 7+ (for workspace management)","Node.js 16+ (for build tooling)","Python 3.8+ (for Python SDK builds)"],"failure_modes":["Sandbox state is ephemeral by default — requires explicit persistence configuration for long-lived state","Connection pooling adds ~50-100ms overhead per new sandbox creation","Pause/resume functionality may not preserve all process state (e.g., open file handles, network connections)","File watching (watchHandle) has ~200-500ms latency due to polling overhead","Automatic protocol selection adds ~10-20ms decision overhead per operation","No built-in compression — large file transfers consume full bandwidth","Filesystem operations are not atomic — concurrent writes may cause corruption","State snapshots are not guaranteed to be consistent — in-flight operations may be lost","Process state (open files, network connections) may not survive pause/resume","Pause/resume operations take 10-30 seconds depending on sandbox size","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.6700017789020857,"quality":0.34,"ecosystem":0.6000000000000001,"match_graph":0.25,"freshness":0.75,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.1,"match_graph":0.28,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:21.550Z","last_scraped_at":"2026-05-03T13:57:04.027Z","last_commit":"2026-05-03T07:15:39Z"},"community":{"stars":12032,"forks":887,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=e2b-dev--e2b","compare_url":"https://unfragile.ai/compare?artifact=e2b-dev--e2b"}},"signature":"3fj6AnxCiJ+rqTIVSFWIBA67Hg7fuXJTHMRMtFpXscr+hKgNbJoGiNetTJ2L+U3ZxKCilcqDQGBNa6KNsS1uBw==","signedAt":"2026-06-20T17:25:05.474Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/e2b-dev--e2b","artifact":"https://unfragile.ai/e2b-dev--e2b","verify":"https://unfragile.ai/api/v1/verify?slug=e2b-dev--e2b","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"}}