openai · bolinfest · Feb 12, 2026 · Feb 12, 2026 · Feb 12, 2026 · Feb 12, 2026
diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
diff --git a/codex-rs/Cargo.toml b/codex-rs/Cargo.toml
@@ -214,7 +214,7 @@ ratatui-macros = "0.6.0"
 regex = "1.12.3"
 regex-lite = "0.1.8"
 reqwest = "0.12"
-rmcp = { version = "0.14.0", default-features = false }
+rmcp = { version = "0.15.0", default-features = false }
 runfiles = { git = "https://github.com/dzbarsky/rules_rust", rev = "b56cbaa8465e74127f1ea216f813cd377295ad81" }
 rustls = { version = "0.23", default-features = false, features = [
     "ring",

diff --git a/codex-rs/core/src/codex.rs b/codex-rs/core/src/codex.rs
@@ -5393,6 +5393,7 @@ mod tests {
                 input_schema: Arc::new(JsonObject::default()),
                 output_schema: None,
                 annotations: None,
+                execution: None,
                 icons: None,
                 meta: None,
             },

diff --git a/codex-rs/core/src/mcp_connection_manager.rs b/codex-rs/core/src/mcp_connection_manager.rs
@@ -43,7 +43,9 @@ use futures::future::BoxFuture;
 use futures::future::FutureExt;
 use futures::future::Shared;
 use rmcp::model::ClientCapabilities;
+use rmcp::model::CreateElicitationRequestParams;
 use rmcp::model::ElicitationCapability;
+use rmcp::model::FormElicitationCapability;
 use rmcp::model::Implementation;
 use rmcp::model::InitializeRequestParams;
 use rmcp::model::ListResourceTemplatesResult;
@@ -223,7 +225,16 @@ impl ElicitationRequestManager {
                                     ProtocolRequestId::Integer(value)
                                 }
                             },
-                            message: elicitation.message,
+                            message: match elicitation {
+                                CreateElicitationRequestParams::FormElicitationParams {
+                                    message,
+                                    ..
+                                }
+                                | CreateElicitationRequestParams::UrlElicitationParams {
+                                    message,
+                                    ..
+                                } => message,
+                            },
                         }),
                     })
                     .await;
@@ -985,19 +996,24 @@ async fn start_server_task(
         meta: None,
         capabilities: ClientCapabilities {
             experimental: None,
+            extensions: None,
             roots: None,
             sampling: None,
             // https://modelcontextprotocol.io/specification/2025-06-18/client/elicitation#capabilities
             // indicates this should be an empty object.
             elicitation: Some(ElicitationCapability {
-                schema_validation: None,
+                form: Some(FormElicitationCapability {
+                    schema_validation: None,
+                }),
+                url: None,
             }),
             tasks: None,
         },
         client_info: Implementation {
             name: "codex-mcp-client".to_owned(),
             version: env!("CARGO_PKG_VERSION").to_owned(),
             title: Some("Codex".into()),
+            description: None,
             icons: None,
             website_url: None,
         },
@@ -1247,6 +1263,7 @@ mod tests {
                 input_schema: Arc::new(JsonObject::default()),
                 output_schema: None,
                 annotations: None,
+                execution: None,
                 icons: None,
                 meta: None,
             },

diff --git a/codex-rs/core/src/tools/spec.rs b/codex-rs/core/src/tools/spec.rs
@@ -1624,6 +1624,7 @@ mod tests {
             input_schema: std::sync::Arc::new(rmcp::model::object(input_schema)),
             output_schema: None,
             annotations: None,
+            execution: None,
             icons: None,
             meta: None,
         }
@@ -1641,6 +1642,7 @@ mod tests {
             input_schema: std::sync::Arc::new(schema),
             output_schema: None,
             annotations: None,
+            execution: None,
             icons: None,
             meta: None,
         };

diff --git a/codex-rs/exec-server/src/posix/mcp_escalation_policy.rs b/codex-rs/exec-server/src/posix/mcp_escalation_policy.rs
@@ -69,7 +69,7 @@ impl McpEscalationPolicy {
             .pause_for(async {
                 context
                     .peer
-                    .create_elicitation(CreateElicitationRequestParams {
+                    .create_elicitation(CreateElicitationRequestParams::FormElicitationParams {
                         meta: None,
                         message: format!(
                             "Allow agent to run `{command}` in `{}`?",

diff --git a/codex-rs/exec-server/tests/common/lib.rs b/codex-rs/exec-server/tests/common/lib.rs
@@ -166,7 +166,11 @@ impl ClientHandler for InteractiveClient {
             .unwrap()
             .push(request.clone());
 
-        let accept = self.elicitations_to_accept.contains(&request.message);
+        let message = match &request {
+            CreateElicitationRequestParams::FormElicitationParams { message, .. }
+            | CreateElicitationRequestParams::UrlElicitationParams { message, .. } => message,
+        };
+        let accept = self.elicitations_to_accept.contains(message);
         async move {
             if accept {
                 Ok(CreateElicitationResult {

diff --git a/codex-rs/exec-server/tests/suite/accept_elicitation.rs b/codex-rs/exec-server/tests/suite/accept_elicitation.rs
@@ -138,7 +138,14 @@ prefix_rule(
         .lock()
         .unwrap()
         .iter()
-        .map(|r| r.message.clone())
+        .map(|r| match r {
+            rmcp::model::CreateElicitationRequestParams::FormElicitationParams {
+                message, ..
+            }
+            | rmcp::model::CreateElicitationRequestParams::UrlElicitationParams {
+                message, ..
+            } => message.clone(),
+        })
         .collect::<Vec<_>>();
     assert_eq!(vec![expected_elicitation_message], elicitation_messages);
 

diff --git a/codex-rs/exec-server/tests/suite/list_tools.rs b/codex-rs/exec-server/tests/suite/list_tools.rs
@@ -67,6 +67,7 @@ async fn list_tools() -> Result<()> {
                 "type": "object",
             }))),
             output_schema: None,
+            execution: None,
             annotations: None,
             icons: None,
             meta: None

diff --git a/codex-rs/mcp-server/src/codex_tool_config.rs b/codex-rs/mcp-server/src/codex_tool_config.rs
@@ -127,6 +127,7 @@ pub(crate) fn create_tool_for_codex_tool_call_param() -> Tool {
                 .into(),
         ),
         annotations: None,
+        execution: None,
         icons: None,
         meta: None,
     }
@@ -248,6 +249,7 @@ pub(crate) fn create_tool_for_codex_tool_call_reply_param() -> Tool {
             "Continue a Codex conversation by providing the thread id and prompt.".into(),
         ),
         annotations: None,
+        execution: None,
         icons: None,
         meta: None,
     }

diff --git a/codex-rs/mcp-server/src/message_processor.rs b/codex-rs/mcp-server/src/message_processor.rs
@@ -209,6 +209,7 @@ impl MessageProcessor {
             name: "codex-mcp-server".to_string(),
             title: Some("Codex".to_string()),
             version: env!("CARGO_PKG_VERSION").to_string(),
+            description: None,
             icons: None,
             website_url: None,
         };

diff --git a/codex-rs/mcp-server/tests/common/mcp_process.rs b/codex-rs/mcp-server/tests/common/mcp_process.rs
@@ -18,6 +18,7 @@ use rmcp::model::ClientCapabilities;
 use rmcp::model::CustomNotification;
 use rmcp::model::CustomRequest;
 use rmcp::model::ElicitationCapability;
+use rmcp::model::FormElicitationCapability;
 use rmcp::model::Implementation;
 use rmcp::model::InitializeRequestParams;
 use rmcp::model::JsonRpcMessage;
@@ -116,9 +117,13 @@ impl McpProcess {
             meta: None,
             capabilities: ClientCapabilities {
                 elicitation: Some(ElicitationCapability {
-                    schema_validation: None,
+                    form: Some(FormElicitationCapability {
+                        schema_validation: None,
+                    }),
+                    url: None,
                 }),
                 experimental: None,
+                extensions: None,
                 roots: None,
                 sampling: None,
                 tasks: None,
@@ -127,6 +132,7 @@ impl McpProcess {
                 name: "elicitation test".into(),
                 title: Some("Elicitation Test".into()),
                 version: "0.0.0".into(),
+                description: None,
                 icons: None,
                 website_url: None,
             },

diff --git a/codex-rs/rmcp-client/tests/resources.rs b/codex-rs/rmcp-client/tests/resources.rs
@@ -10,6 +10,7 @@ use futures::FutureExt as _;
 use rmcp::model::AnnotateAble;
 use rmcp::model::ClientCapabilities;
 use rmcp::model::ElicitationCapability;
+use rmcp::model::FormElicitationCapability;
 use rmcp::model::Implementation;
 use rmcp::model::InitializeRequestParams;
 use rmcp::model::ListResourceTemplatesResult;
@@ -29,17 +30,22 @@ fn init_params() -> InitializeRequestParams {
         meta: None,
         capabilities: ClientCapabilities {
             experimental: None,
+            extensions: None,
             roots: None,
             sampling: None,
             elicitation: Some(ElicitationCapability {
-                schema_validation: None,
+                form: Some(FormElicitationCapability {
+                    schema_validation: None,
+                }),
+                url: None,
             }),
             tasks: None,
         },
         client_info: Implementation {
             name: "codex-test".into(),
             version: "0.0.0-test".into(),
             title: Some("Codex rmcp resource test".into()),
+            description: None,
             icons: None,
             website_url: None,
         },