Struct AgentRegistry 

pub struct AgentRegistry { /* private fields */ }

In-memory agent directory keyed by agent URL (P2-8).

Register every agent’s AgentCard, then discover by skill (AgentRegistry::search_skill) or data boundary (AgentRegistry::filter_data_class) instead of hardcoding URLs. All operations are cheap hash lookups behind a short-lived mutex.

Implementations

impl AgentRegistry

pub fn new() -> Self

An empty directory.

pub fn register(&self, card: AgentCard) -> Result<(), RegistryError>

Register an agent. Fails if the URL is already registered — use AgentRegistry::upsert to replace a card in place.

pub fn upsert(&self, card: AgentCard)

Register or replace an agent card in place (idempotent).

pub fn unregister(&self, url: &str) -> bool

Remove an agent by URL. Returns true if it was present.

pub fn lookup(&self, url: &str) -> Option<AgentCard>

Look up an agent card by URL.

pub fn agents(&self) -> Vec<AgentCard>

Every registered agent card, in arbitrary order.

pub fn search_skill(&self, query: &str) -> Vec<AgentCard>

Discover agents advertising a skill whose id/name/description contains query (case-insensitive substring match).

pub fn filter_data_class(&self, class: &str) -> Vec<AgentCard>

Discover agents whose card declares exactly class as its data class (data boundary, P2-8).

pub fn len(&self) -> usize

How many agents are registered.

pub fn is_empty(&self) -> bool

Whether the registry is empty.

Trait Implementations

impl Debug for AgentRegistry

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

Formats the value using the given formatter.

impl Default for AgentRegistry

fn default() -> AgentRegistry

Returns the “default value” for a type.