Enum ApplicationType 

#[non_exhaustive]
pub enum ApplicationType {
    Native,
    Web,
}

OpenID Connect’s application_type client metadata value.

SEP-837 makes an MCP client MUST specify this at Dynamic Client Registration: “Omitting it defaults to web under OIDC, which can conflict with native-style redirect URIs; non-OIDC servers safely ignore the parameter.”

#[non_exhaustive] because OpenID Connect permits an authorization server to define further values, and adding a variant to an exhaustive public enum is a MAJOR semver break.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Native

Desktop applications, mobile apps, CLI tools, and locally-hosted web applications reached over loopback. Registered as "native".

Web

Remote, browser-based applications served from a non-local host. Registered as "web".

Implementations

impl ApplicationType

pub const fn as_str(self) -> &'static str

The exact wire value, from OpenID Connect Dynamic Client Registration §2.

These two strings are compatibility surface, not an implementation detail. An authorization server that receives an unrecognised value treats it as absent and silently falls back to the OIDC web default, so a change from "native" to "Native" would break registration for every native client while failing no round trip and no serialization test. They are pinned by hand in tests/oauth_application_type.rs.

Examples

use pmcp::shared::oauth_validation::ApplicationType;

assert_eq!(ApplicationType::Native.as_str(), "native");
assert_eq!(ApplicationType::Web.as_str(), "web");

Trait Implementations

impl Clone for ApplicationType

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ApplicationType

impl Debug for ApplicationType

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

Formats the value using the given formatter.

impl Eq for ApplicationType

impl Hash for ApplicationType

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for ApplicationType

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ApplicationType