Struct ProtectedResourceMetadata 

pub struct ProtectedResourceMetadata {
    pub resource: String,
    pub authorization_servers: Vec<String>,
    pub bearer_methods_supported: Option<Vec<String>>,
    pub resource_documentation: Option<String>,
    pub scopes_supported: Option<Vec<String>>,
    pub resource_signing_alg_values_supported: Option<Vec<String>>,
    pub extra: HashMap<String, Value>,
}

Protected Resource Metadata per RFC 9728.

MCP servers MUST implement this to indicate the locations of authorization servers.

Fields

resource: String

The protected resource identifier (URL).

authorization_servers: Vec<String>

List of authorization server URLs that can issue tokens for this resource. MCP requires at least one authorization server.

bearer_methods_supported: Option<Vec<String>>

OAuth 2.0 Bearer token profile URL.

resource_documentation: Option<String>

Resource documentation URL.

scopes_supported: Option<Vec<String>>

Supported scopes for this resource.

resource_signing_alg_values_supported: Option<Vec<String>>

JWS algorithms supported for resource signing.

extra: HashMap<String, Value>

Additional metadata fields.

Implementations

impl ProtectedResourceMetadata

pub fn new(resource: impl Into<String>) -> Self

Create new protected resource metadata.

Arguments

• resource - The protected resource identifier (URL of the MCP server)

pub fn with_authorization_server(self, server: impl Into<String>) -> Self

Add an authorization server.

pub fn with_scopes( self, scopes: impl IntoIterator<Item = impl Into<String>>, ) -> Self

Set supported scopes.

pub fn with_documentation(self, url: impl Into<String>) -> Self

Set documentation URL.

pub fn validate(&self) -> Result<(), String>

Validate that the metadata meets MCP requirements.

pub fn well_known_url(resource_url: &str) -> Option<String>

Get the well-known URL for this resource.

Trait Implementations

impl Clone for ProtectedResourceMetadata

fn clone(&self) -> ProtectedResourceMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ProtectedResourceMetadata

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ProtectedResourceMetadata

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ProtectedResourceMetadata

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

where __S: Serializer,

Serialize this value into the given Serde serializer.