Struct AgentCardRegistry 

pub struct AgentCardRegistry { /* private fields */ }

Global registry of available agents and their capability cards.

The registry enables agents to discover each other by capability, supporting the A2A “handshake” pattern where agents query “who can do X?”.

Implementations

impl AgentCardRegistry

pub fn new(event_bus: EventBus) -> Self

Creates a new empty registry.

pub async fn register_agent(&self, card: AgentCard) -> Result<()>

Registers an agent’s card in the registry.

pub async fn unregister_agent(&self, agent_id: AgentId) -> Result<()>

Unregisters an agent from the registry.

pub async fn find_agents_by_capability( &self, capability: &str, ) -> Result<Vec<AgentCard>>

Finds all agents that have the given capability.

pub async fn find_agents_by_skill(&self, skill: &str) -> Result<Vec<AgentCard>>

Finds all agents that have the given skill.

pub async fn get_agent(&self, agent_id: AgentId) -> Option<AgentCard>

Finds an agent by its ID.

pub async fn list_agents(&self) -> Vec<AgentCard>

Returns all registered agents.

pub async fn agent_count(&self) -> usize

Returns the count of registered agents.

pub async fn update_status( &self, agent_id: AgentId, status: AgentStatus, ) -> Result<()>

Updates an agent’s status.

Trait Implementations

impl Clone for AgentCardRegistry

fn clone(&self) -> AgentCardRegistry

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AgentCardRegistry

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

Formats the value using the given formatter.