Crate harn_vm 

Re-exports

pub use checkpoint::register_checkpoint_builtins;

pub use llm::register_llm_builtins;

pub use mcp::connect_mcp_server;

pub use mcp::register_mcp_builtins;

pub use mcp_server::take_mcp_serve_prompts;

pub use mcp_server::take_mcp_serve_registry;

pub use mcp_server::take_mcp_serve_resource_templates;

pub use mcp_server::take_mcp_serve_resources;

pub use mcp_server::tool_registry_to_mcp_tools;

pub use mcp_server::McpServer;

pub use metadata::register_metadata_builtins;

pub use metadata::register_scan_builtins;

pub use stdlib::register_agent_stdlib;

pub use stdlib::register_core_stdlib;

pub use stdlib::register_io_stdlib;

pub use stdlib::register_vm_stdlib;

pub use store::register_store_builtins;

pub use value::*;

Modules

bridge

JSON-RPC 2.0 bridge for host communication.

bridge_builtins

Bridge-mode builtins that delegate to the host process via JSON-RPC.

checkpoint

Checkpoint system for resilient pipeline execution.

llm

LLM integration: API calls, streaming, agent loops, tool handling, and tracing.

llm_config

mcp

MCP (Model Context Protocol) client for connecting to external tool servers.

mcp_server

MCP server mode: expose Harn tools, resources, resource templates, and prompts as MCP capabilities over stdio.

metadata

Project metadata store for .burin/metadata/ sharded JSON files.

stdlib

Standard library builtins for the Harn VM.

stdlib_modules

store

Persistent key-value store backed by .harn/store.json.

tracing

Pipeline Observability: structured tracing spans with parent/child relationships.

value

Structs

Chunk

A compiled chunk of bytecode.

CompileError

Compile error.

CompiledFunction

A compiled function (closure body).

Compiler

Compiles an AST into bytecode.

DebugState

Information about current execution state for the debugger.

Vm

The Harn bytecode virtual machine.

Enums

Constant

A constant value in the constant pool.

DebugAction

Debug action returned by the debug hook.

Op

Bytecode opcodes for the Harn VM.

Functions

register_http_builtins

Register HTTP builtins on a VM.

reset_http_state

Reset thread-local HTTP mock state. Call between test runs.

reset_thread_local_state

Reset all thread-local state that can leak between test runs. Call this before each test execution for proper isolation.