Module limits 

Native compatibility exports for shared VM-scoped runtime limits.

Structs

AcpLimits

HttpLimits

JsRuntimeLimits

PluginLimits

PythonLimits

ToolLimits

VmLimits

All operator-tunable VM-scoped limits. Fields are concrete values; the Default impls own the numbers and equal today’s hardcoded constants, so unset operator config leaves behavior unchanged.

WasmLimits

Constants

DEFAULT_ACP_MAX_READ_LINE_BYTES

DEFAULT_ACP_STDOUT_BUFFER_BYTE_LIMIT

DEFAULT_JS_CAPTURED_OUTPUT_LIMIT_BYTES

DEFAULT_JS_EVENT_PAYLOAD_LIMIT_BYTES

DEFAULT_JS_STDIN_BUFFER_LIMIT_BYTES

DEFAULT_MAX_FETCH_RESPONSE_BYTES

Default cap on vm.fetch() buffered response bodies. Historically aliased to the wire frame cap; decoupled here but still validated to stay within the negotiated frame budget.

DEFAULT_PYTHON_EXECUTION_TIMEOUT_MS

DEFAULT_PYTHON_MAX_OLD_SPACE_MB

0 keeps the Pyodide runner’s V8 old-space at the engine default.

DEFAULT_PYTHON_OUTPUT_BUFFER_MAX_BYTES

DEFAULT_PYTHON_VFS_RPC_TIMEOUT_MS

DEFAULT_TOOL_TIMEOUT_MS

DEFAULT_V8_HEAP_LIMIT_MB

DEFAULT_V8_IPC_MAX_FRAME_BYTES

DEFAULT_WASM_CAPTURED_OUTPUT_LIMIT_BYTES

DEFAULT_WASM_MAX_MODULE_FILE_BYTES

DEFAULT_WASM_SYNC_READ_LIMIT_BYTES

MAX_PERSISTED_MANIFEST_BYTES

MAX_PERSISTED_MANIFEST_FILE_BYTES

MAX_REGISTERED_TOOLKITS

MAX_REGISTERED_TOOLS_PER_VM

MAX_TOOLS_PER_TOOLKIT

MAX_TOOL_EXAMPLES_PER_TOOL

MAX_TOOL_EXAMPLE_INPUT_BYTES

MAX_TOOL_SCHEMA_BYTES

MAX_TOOL_TIMEOUT_MS

Functions

validate_vm_limits

Cross-field validation. Fail-by-default: reject any configuration that would deadlock or violate the wire frame budget with an explicit, actionable message.

vm_limits_from_config