fix: compilation with --no-default-features

crates/rmcp/Cargo.toml

@@ -77,7 +77,7 @@ chrono = { version = "0.4.38", default-features = false, features = [
 [features]
 default = ["base64", "macros", "server"]
 client = ["dep:tokio-stream"]
-server = ["transport-async-rw", "dep:schemars"]
+server = ["transport-async-rw", "dep:schemars", "dep:pastey"]
 macros = ["dep:rmcp-macros", "dep:pastey"]
 elicitation = []
 

crates/rmcp/src/error.rs

@@ -1,6 +1,5 @@
 use std::{borrow::Cow, fmt::Display};
 
-use crate::ServiceError;
 pub use crate::model::ErrorData;
 #[deprecated(
     note = "Use `rmcp::ErrorData` instead, `rmcp::ErrorData` could become `RmcpError` in the future."
@@ -21,8 +20,9 @@ impl std::error::Error for ErrorData {}
 /// This is an unified error type for the errors could be returned by the service.
 #[derive(Debug, thiserror::Error)]
 pub enum RmcpError {
+    #[cfg(any(feature = "client", feature = "server"))]
     #[error("Service error: {0}")]
-    Service(#[from] ServiceError),
+    Service(#[from] crate::ServiceError),
     #[cfg(feature = "client")]
     #[error("Client initialization error: {0}")]
     ClientInitialize(#[from] crate::service::ClientInitializeError),

crates/rmcp/src/lib.rs

@@ -171,8 +171,8 @@ pub use pastey::paste;
 #[cfg(all(feature = "macros", feature = "server"))]
 #[cfg_attr(docsrs, doc(cfg(all(feature = "macros", feature = "server"))))]
 pub use rmcp_macros::*;
-#[cfg(all(feature = "macros", feature = "server"))]
-#[cfg_attr(docsrs, doc(cfg(all(feature = "macros", feature = "server"))))]
+#[cfg(any(feature = "macros", feature = "server"))]
+#[cfg_attr(docsrs, doc(cfg(any(feature = "macros", feature = "server"))))]
 pub use schemars;
 #[cfg(feature = "macros")]
 #[cfg_attr(docsrs, doc(cfg(feature = "macros")))]

crates/rmcp/src/model/prompt.rs

@@ -1,8 +1,7 @@
-use base64::engine::{Engine, general_purpose::STANDARD as BASE64_STANDARD};
 use serde::{Deserialize, Serialize};
 
 use super::{
-    AnnotateAble, Annotations, Icon, Meta, RawEmbeddedResource, RawImageContent,
+    AnnotateAble, Annotations, Icon, Meta, RawEmbeddedResource,
     content::{EmbeddedResource, ImageContent},
     resource::ResourceContents,
 };
@@ -138,11 +137,13 @@ impl PromptMessage {
         meta: Option<crate::model::Meta>,
         annotations: Option<Annotations>,
     ) -> Self {
+        use base64::{Engine, prelude::BASE64_STANDARD};
+
         let base64 = BASE64_STANDARD.encode(data);
         Self {
             role,
             content: PromptMessageContent::Image {
-                image: RawImageContent {
+                image: crate::model::RawImageContent {
                     data: base64,
                     mime_type: mime_type.into(),
                     meta,
@@ -215,7 +216,7 @@ mod tests {
 
     #[test]
     fn test_prompt_message_image_serialization() {
-        let image_content = RawImageContent {
+        let image_content = crate::model::RawImageContent {
             data: "base64data".to_string(),
             mime_type: "image/png".to_string(),
             meta: None,