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Each language has its own interpreter, package manager, and standard library pre-installed. Runtime selection happens at execution time based on code language detection or explicit specification, allowing agents to execute heterogeneous code without reconfiguration.","intents":["Execute Python scripts for data analysis or numerical computation within agent workflows","Run JavaScript/Node.js code for async operations or web-related tasks","Execute shell commands for system-level operations or tool invocation","Support agents that generate code in different languages depending on task requirements"],"best_for":["Polyglot agent systems that need to execute code in multiple languages","Data science agents that primarily use Python but occasionally need JavaScript or Bash","Teams building code generation tools that support multiple target languages"],"limitations":["Language support is limited to E2B's pre-configured runtimes; custom languages or versions require custom sandbox images","Inter-language communication (e.g., Python calling JavaScript) requires explicit serialization and subprocess management","Package availability varies by language; some languages have limited pre-installed libraries","Version pinning for language runtimes is fixed per sandbox image; no dynamic version selection"],"requires":["E2B sandbox images for desired languages (Python 3.x, Node.js 18+, Bash, etc.)","Code language specification or automatic language detection logic","Appropriate package managers (pip, npm, apt) available in sandbox"],"input_types":["code strings in supported languages","language identifier (python, javascript, bash)","package requirements (pip requirements.txt, package.json, etc.)"],"output_types":["stdout/stderr output","exit codes","language-specific return values (Python objects, JavaScript values, etc.)"],"categories":["code-generation-editing","tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-code-execution-tool__cap_3","uri":"capability://tool.use.integration.execution.error.capture.and.agent.feedback.loop","name":"execution error capture and agent feedback loop","description":"Captures execution errors (syntax errors, runtime exceptions, timeouts, resource limit violations) from sandboxed code and returns structured error information back to the agent for analysis and recovery. Errors include stack traces, error types, and execution context (line numbers, variable states where available). Agents can use this feedback to refine code, adjust parameters, or attempt alternative approaches without requiring human intervention.","intents":["Enable agents to detect and respond to code execution failures autonomously","Provide agents with debugging information to iteratively improve generated code","Allow agents to gracefully handle edge cases or invalid inputs in user-provided code","Support agent self-correction workflows where errors trigger code regeneration"],"best_for":["Agents that generate and execute code iteratively (code generation + validation loops)","Systems where code execution failures should trigger agent recovery rather than user escalation","Debugging-focused agents that need detailed error context"],"limitations":["Error information is limited to what the sandbox can capture; system-level errors may be opaque","Stack traces may not include full variable state or execution history; debugging is limited to stderr output","Timeout errors provide minimal context about which code block caused the timeout","Agent interpretation of errors depends on LLM reasoning quality; not all errors lead to successful recovery"],"requires":["E2B sandbox with error capture enabled","Agent logic to parse and interpret error responses","LLM capable of understanding error messages and generating corrective code"],"input_types":["code execution requests","timeout and resource limit specifications"],"output_types":["error type (SyntaxError, RuntimeError, TimeoutError, etc.)","error message and stack trace","execution metadata (duration, resource usage at failure)"],"categories":["tool-use-integration","planning-reasoning","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-code-execution-tool__cap_4","uri":"capability://tool.use.integration.resource.limited.code.execution.with.timeout.and.quota.enforcement","name":"resource-limited code execution with timeout and quota enforcement","description":"Enforces resource constraints (CPU time, memory, execution timeout, disk I/O) on sandboxed code execution to prevent runaway processes from consuming excessive resources or causing denial-of-service. Constraints are configured per execution request and enforced at the container level by E2B infrastructure. Executions that exceed limits are terminated and return timeout or resource-exceeded errors to the agent.","intents":["Prevent malicious or buggy code from consuming unlimited resources in shared infrastructure","Ensure predictable execution latency for agent workflows by enforcing timeout limits","Protect against infinite loops or recursive code that could hang agent reasoning","Support multi-tenant scenarios where resource quotas must be enforced per user or agent"],"best_for":["SaaS platforms executing user-generated code with resource isolation requirements","Multi-tenant agent systems where resource quotas must be enforced per tenant","Agents that may execute untrusted or user-provided code"],"limitations":["Timeout enforcement is coarse-grained (whole execution); no per-function or per-line timeout","Resource limits are static per execution; no dynamic adjustment based on system load","Memory limits may cause unexpected OOM kills if code requires more memory than allocated","CPU time limits may be inaccurate for I/O-bound code; wall-clock time limits are more reliable but less precise"],"requires":["E2B sandbox with resource enforcement enabled","Configuration of timeout and resource limits (typically 30s timeout, 512MB-2GB memory)","Agent logic to handle timeout and resource-exceeded errors"],"input_types":["code execution requests","timeout specification (seconds)","memory limit (MB)","CPU time limit (seconds)"],"output_types":["execution result (if completed within limits)","TimeoutError or ResourceExceededError","partial output (if execution was interrupted)"],"categories":["tool-use-integration","safety-moderation","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":21,"verified":false,"data_access_risk":"high","permissions":["E2B API credentials (API key)","Superagent framework integration or direct E2B SDK (Python/JavaScript)","Network connectivity to E2B infrastructure","Agent configuration specifying E2B Code Interpreter as a tool","Superagent framework (version with E2B integration support)","E2B API credentials configured in Superagent environment","Agent definition that explicitly includes Code Interpreter in its tool list","LLM model capable of function calling (OpenAI, Anthropic, etc.)","E2B sandbox images for desired languages (Python 3.x, Node.js 18+, Bash, etc.)","Code language specification or automatic language detection logic"],"failure_modes":["Sandbox startup latency typically 500ms-2s per execution, unsuitable for sub-100ms response requirements","Network access from sandbox is restricted by default; requires explicit allowlisting for external API calls","Persistent state between executions requires explicit session management; sandboxes are ephemeral by default","Large file I/O operations (>100MB) may hit sandbox storage quotas; no built-in streaming for large datasets","Agent must be configured to include Code Interpreter tool; not automatically available","Tool invocation adds decision-making latency (~100-500ms) as agent evaluates whether to use code execution","Error handling relies on agent's ability to interpret execution failures and retry; no automatic recovery","Limited to synchronous execution; long-running code blocks may timeout before completion","Language support is limited to E2B's pre-configured runtimes; custom languages or versions require custom sandbox images","Inter-language communication (e.g., Python calling JavaScript) requires explicit serialization and subprocess management","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.25,"ecosystem":0.25,"match_graph":0.25,"freshness":0.5,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.1,"match_graph":0.35,"freshness":0.05}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"inactive","updated_at":"2026-06-17T09:51:02.371Z","last_scraped_at":"2026-05-03T14:00:10.321Z","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=code-execution-tool","compare_url":"https://unfragile.ai/compare?artifact=code-execution-tool"}},"signature":"V9Ycyu/rcBdre0csdomhTcoTGAqjAqNGed5FJpXRz4TtMI2aah9Y0X3yDP8ioWXrCotMYi74mfd6BqPIqVyiCw==","signedAt":"2026-06-20T14:46:56.762Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/code-execution-tool","artifact":"https://unfragile.ai/code-execution-tool","verify":"https://unfragile.ai/api/v1/verify?slug=code-execution-tool","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"}}