diff --git a/codex-rs/AGENTS.md b/codex-rs/AGENTS.md
new file mode 100644
index 0000000000..a16874ffbb
--- /dev/null
+++ b/codex-rs/AGENTS.md
@@ -0,0 +1,5 @@
+# Suggestions
+* Always check your work with:
+  * `cargo build`
+  * `cargo test`
+  * `cargo clippy --all-features --tests -- -D warnings`
\ No newline at end of file
diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index a25e0f8be0..e5f0dc1f70 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -677,6 +677,7 @@ dependencies = [
  "pretty_assertions",
  "rand 0.9.1",
  "reqwest",
+ "schemars 0.8.22",
  "seccompiler",
  "serde",
  "serde_json",
diff --git a/codex-rs/core/Cargo.toml b/codex-rs/core/Cargo.toml
index e192a71f39..7830e9bf09 100644
--- a/codex-rs/core/Cargo.toml
+++ b/codex-rs/core/Cargo.toml
@@ -26,6 +26,7 @@ mcp-types = { path = "../mcp-types" }
 mime_guess = "2.0"
 rand = "0.9"
 reqwest = { version = "0.12", features = ["json", "stream"] }
+schemars = "0.8.22"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 sha1 = "0.10.6"
diff --git a/codex-rs/core/src/protocol.rs b/codex-rs/core/src/protocol.rs
index b233d4f27b..919f8b379d 100644
--- a/codex-rs/core/src/protocol.rs
+++ b/codex-rs/core/src/protocol.rs
@@ -17,6 +17,7 @@ use crate::config_types::ReasoningEffort as ReasoningEffortConfig;
 use crate::config_types::ReasoningSummary as ReasoningSummaryConfig;
 use crate::message_history::HistoryEntry;
 use crate::model_provider_info::ModelProviderInfo;
+use schemars::JsonSchema;
 
 /// Submission Queue Entry - requests from user
 #[derive(Debug, Clone, Deserialize, Serialize)]
@@ -486,7 +487,7 @@ pub struct SessionConfiguredEvent {
 }
 
 /// User's decision in response to an ExecApprovalRequest.
-#[derive(Debug, Default, Clone, Copy, Deserialize, Serialize, PartialEq, Eq)]
+#[derive(Debug, Default, Clone, Copy, Deserialize, Serialize, PartialEq, Eq, JsonSchema)]
 #[serde(rename_all = "snake_case")]
 pub enum ReviewDecision {
     /// User has approved this command and the agent should execute it.
diff --git a/codex-rs/mcp-server/src/codex_tool_config.rs b/codex-rs/mcp-server/src/codex_tool_config.rs
index 8555524942..ba21c99850 100644
--- a/codex-rs/mcp-server/src/codex_tool_config.rs
+++ b/codex-rs/mcp-server/src/codex_tool_config.rs
@@ -2,6 +2,7 @@
 
 use codex_core::config_types::SandboxMode;
 use codex_core::protocol::AskForApproval;
+use codex_core::protocol::ReviewDecision;
 use mcp_types::Tool;
 use mcp_types::ToolInputSchema;
 use schemars::JsonSchema;
@@ -156,6 +157,14 @@ impl CodexToolCallParam {
     }
 }
 
+/// Client-supplied configuration for a `codex/experimental/approve_patch` tool-call.
+#[derive(Debug, Clone, Deserialize, JsonSchema)]
+#[serde(rename_all = "kebab-case")]
+pub(crate) struct CodexApprovePatchToolCallParam {
+    /// The user's decision in response to the patch approval request.
+    pub review_decision: ReviewDecision,
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;