{"id":"nuitka-nuitka","name":"Nuitka","homepage":"http://nuitka.net","repo_url":"https://github.com/Nuitka/Nuitka","category":"devtools","subcategories":[],"tags":["compiler","python","packaging","native-binaries","standalone","onefile","extension-module"],"what_it_does":"Nuitka is a Python compiler that translates Python code into generated C/C++ code and then into an executable or extension module, producing binaries that run compatibly with CPython behavior (with options for different packaging modes like standalone/onefile).","use_cases":["Compiling Python applications into native executables or extension modules","Distributing Python code without shipping source (standalone/onefile modes)","Performance/obfuscation-oriented packaging for Python programs","Building compiled extension modules for Python rather than using pure-Python modules"],"not_for":["Deploying a hosted API/service with remote execution semantics","Security-sensitive workflows that require network authentication/authorization primitives provided by an external API","Use cases needing deterministic builds without requiring native toolchains (since it depends on compilers and build environment)"],"best_when":"You want to compile/distribute Python programs locally with a C compiler toolchain and can accept a build step that generates native binaries.","avoid_when":"You cannot install/maintain native build dependencies (C compiler, toolchain), need a pure-Python/no-compiler solution, or need a stable network API with rate limits/auth flows.","alternatives":["PyInstaller","cx_Freeze","Nuitka-Action (GitHub workflow helper)","Cython (compile Python to C extensions)","Briefcase (app packaging)"],"af_score":39.0,"security_score":67.5,"reliability_score":35.0,"package_type":"skill","discovery_source":["openclaw"],"priority":"high","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-03-29T13:19:14.438878+00:00","interface":{"has_rest_api":false,"has_graphql":false,"has_grpc":false,"has_mcp_server":false,"mcp_server_url":null,"has_sdk":false,"sdk_languages":[],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":[],"oauth":false,"scopes":false,"notes":"No network authentication; authentication is only relevant to the build environment (e.g., downloading toolchains/caching) which is not described as an API auth mechanism."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"Distributed as an open-source package (AGPL-3.0 per metadata). Costs are primarily infrastructure/build time rather than a service fee."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":39.0,"security_score":67.5,"reliability_score":35.0,"mcp_server_quality":0.0,"documentation_accuracy":70.0,"error_message_quality":null,"error_message_notes":"Based on CLI usage docs: instructions mention prompts/compatibility and describe common failure causes (e.g., wrong interpreter causing SyntaxError), but there is no evidence of machine-consumable structured errors, codes, or retry guidance.","auth_complexity":100.0,"rate_limit_clarity":0.0,"tls_enforcement":100.0,"auth_strength":50.0,"scope_granularity":50.0,"dependency_hygiene":60.0,"secret_handling":80.0,"security_notes":"No network service; TLS is not directly applicable. Security posture mostly concerns supply-chain/build tooling: Nuitka can automatically download toolchain/caching components, so build-time integrity (e.g., verifying downloads, pinning versions) is important though not described in the provided text. Generated binaries inherit trust boundaries of included modules/data.","uptime_documented":0.0,"version_stability":55.0,"breaking_changes_history":50.0,"error_recovery":35.0,"idempotency_support":"false","idempotency_notes":"Compilation outputs are derived from inputs and build settings; repeated runs may overwrite artifacts, but idempotency semantics for an automation agent (safe replays) are not explicitly documented.","pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Requires native build toolchains (C compiler, possibly MinGW/zig/clcache/Visual Studio components) which complicates automated environments.","Compatibility depends on matching CPython implementation details; using a different interpreter version can lead to errors (notably described for SyntaxError).","Cross-compilation/architecture mismatches can produce 'cryptic error messages'—agents may need extra environment introspection."]}}