Struct PriceBook 

pub struct PriceBook {
    pub default_units: u64,
    pub names: BTreeMap<String, u64>,
    pub methods: BTreeMap<String, u64>,
}

Per-name unit pricing with a fallback.

BTreeMap rather than HashMap so a serialized price book round trips in a stable order, which makes config diffs readable and tests deterministic.

Fields

default_units: u64

Charged for a delivered call with no entry in Self::names.

names: BTreeMap<String, u64>

Per-name overrides, keyed on the decoded Mcp-Name value.

A value of 0 makes that name free, which is the supported way to expose a loss-leader tool without carving it out of the billing path.

methods: BTreeMap<String, u64>

Per-method overrides, applied when no name matched.

Mainly useful for pricing resources/read differently from tools/call across the board.

Implementations

impl PriceBook

pub fn flat(units: u64) -> Self

A price book charging units for everything.

pub fn with_name(self, name: impl Into<String>, units: u64) -> Self

Set the price of one name. Chainable, for building books in tests and config.

pub fn with_method(self, method: &Method, units: u64) -> Self

Set the price of one method.

pub fn units_for(&self, method: &Method, name: Option<&str>) -> u64

Units owed for a delivered call.

Resolution order is most specific first: the name, then the method, then the default. name must already be decoded from the Mcp-Name sentinel form (see crate::name::decode); passing the raw header value here silently prices every non-ASCII-named tool at the default.

Trait Implementations

impl Clone for PriceBook

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PriceBook

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for PriceBook

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for PriceBook

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for PriceBook

impl PartialEq for PriceBook

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for PriceBook

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for PriceBook