pub enum ToolKind {
Read,
Edit,
Delete,
Move,
Search,
Execute,
Think,
Fetch,
Other,
}Expand description
Canonical tool-kind vocabulary. Matches the ACP ToolKind enum so
harn-cli’s ACP server can forward the value unchanged in
sessionUpdate variants.
The VM treats Read, Search, Think, and Fetch as read-only
for concurrent-dispatch purposes. Other is intentionally NOT
treated as read-only — unannotated tools should not slip through
as auto-approved by default (fail-safe).
Variants§
Read
Reads file/workspace content without mutation.
Edit
Mutates workspace content (write, patch, edit).
Delete
Removes content irreversibly.
Move
Relocates or renames content.
Search
Queries indexes or directories; no mutation.
Execute
Runs a subprocess or a shell command.
Think
Pure reasoning/thought invocation, no side effects.
Fetch
Retrieves remote content (HTTP, MCP fetch, etc.).
Other
Anything that doesn’t map cleanly into the canonical kinds. Not treated as read-only — the fail-safe default.
Implementations§
Source§impl ToolKind
impl ToolKind
Sourcepub fn is_read_only(&self) -> bool
pub fn is_read_only(&self) -> bool
Read-only tools can dispatch concurrently without risking
conflicting state mutations. Other is excluded by design —
unannotated tools must not auto-approve as read-only.
Sourcepub fn mutation_class(&self) -> &'static str
pub fn mutation_class(&self) -> &'static str
Coarse mutation-classification string used in tool-call telemetry and pre/post bridge payloads. Derived directly from the kind — the VM no longer guesses from tool names.
Trait Implementations§
Source§impl<'de> Deserialize<'de> for ToolKind
impl<'de> Deserialize<'de> for ToolKind
Source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
impl Copy for ToolKind
impl Eq for ToolKind
impl StructuralPartialEq for ToolKind
Auto Trait Implementations§
impl Freeze for ToolKind
impl RefUnwindSafe for ToolKind
impl Send for ToolKind
impl Sync for ToolKind
impl Unpin for ToolKind
impl UnsafeUnpin for ToolKind
impl UnwindSafe for ToolKind
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