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McpSession

Struct McpSession 

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pub struct McpSession<T: McpTransport> {
    pub calls: u64,
    /* private fields */
}
Expand description

A provider backed by an MCP session.

object selects the tool index; method is the tool name. The session performs the real JSON-RPC handshake (initialize, tools/list) and then tools/call per invocation.

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§calls: u64

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impl<T: McpTransport> McpSession<T>

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pub fn handshake(transport: T) -> Result<Self>

Perform the MCP handshake and discover tools.

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pub fn tools(&self) -> &[McpToolDef]

Discovered tools.

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pub fn policy(&self) -> ToolPolicy

A policy allowing exactly the discovered tools.

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impl<T: McpTransport> Provider for McpSession<T>

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fn name(&self) -> &'static str

Stable adapter name.
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fn methods(&self) -> Vec<String>

Methods this provider answers (introspection).
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fn mutating(&self, _method: &str) -> bool

Whether method mutates provider state (refused on read-only caps).
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fn invoke(&mut self, object: u64, call: &Call) -> Result<Response>

Invoke a method on object.
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fn has_method(&self, method: &str) -> bool

Whether this provider answers method.
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fn on_drop(&mut self, _object: u64, _cap: CapId)

Called when the last capability referencing object is dropped.
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fn take_drop_notifications(&mut self) -> Vec<(u64, CapId)>

Drain provider-side drop notifications recorded by Provider::on_drop. Read more

Auto Trait Implementations§

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impl<T> Freeze for McpSession<T>
where T: Freeze,

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impl<T> RefUnwindSafe for McpSession<T>
where T: RefUnwindSafe,

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impl<T> Send for McpSession<T>
where T: Send,

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impl<T> Sync for McpSession<T>
where T: Sync,

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impl<T> Unpin for McpSession<T>
where T: Unpin,

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impl<T> UnsafeUnpin for McpSession<T>
where T: UnsafeUnpin,

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impl<T> UnwindSafe for McpSession<T>
where T: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more