diff --git a/e2e/backend/test_npm_dep_warning_suppressed b/e2e/backend/test_npm_dep_warning_suppressed
new file mode 100644
index 0000000000..996d58e117
--- /dev/null
+++ b/e2e/backend/test_npm_dep_warning_suppressed
@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+# Test that "npm may be required" warning is NOT shown when node is configured
+# in the same mise.toml alongside an npm package (even if node isn't installed yet).
+# Regression test for https://github.com/jdx/mise/discussions/8919
+
+# Create a PATH that has mise but not npm/node
+MISE_BIN="$(command -v mise)"
+MISE_DIR="$(dirname "$MISE_BIN")"
+export PATH="$MISE_DIR:/usr/bin:/bin:/usr/sbin:/sbin"
+
+# Verify npm is not on PATH — if it is, the restricted PATH isn't working
+if command -v npm >/dev/null 2>&1; then
+	echo "ERROR: npm is found in restricted PATH, test cannot verify behavior"
+	exit 1
+fi
+
+# Create a mise.toml that has both node and an npm package
+cat >mise.toml <<'EOF'
+[tools]
+node = "latest"
+"npm:prettier" = "3"
+EOF
+
+# Run ls-remote for the npm package — should NOT show the warning since node is configured
+output=$(MISE_LOG_LEVEL=warn mise ls-remote npm:prettier 2>&1 || true)
+
+if [[ $output == *"npm may be required but was not found"* ]]; then
+	echo "FAIL: warning was shown even though node is configured in mise.toml"
+	echo "Output: $output"
+	exit 1
+fi
+
+echo "PASS: no spurious npm warning when node is configured"
diff --git a/src/backend/cargo.rs b/src/backend/cargo.rs
index 08474173e7..54063be403 100644
--- a/src/backend/cargo.rs
+++ b/src/backend/cargo.rs
@@ -86,6 +86,7 @@ impl Backend for CargoBackend {
         self.warn_if_dependency_missing(
             &ctx.config,
             "cargo",
+            &["rust", "cargo"],
             "To use cargo packages with mise, you need to install Rust first:\n\
               mise use rust@latest\n\n\
             Or install Rust via https://rustup.rs/",
diff --git a/src/backend/dotnet.rs b/src/backend/dotnet.rs
index f0052930e1..7a342c107d 100644
--- a/src/backend/dotnet.rs
+++ b/src/backend/dotnet.rs
@@ -79,6 +79,7 @@ impl Backend for DotnetBackend {
         self.warn_if_dependency_missing(
             &ctx.config,
             "dotnet",
+            &["dotnet"],
             "To use dotnet tools with mise, you need to install .NET SDK first:\n\
               mise use dotnet@latest\n\n\
             Or install .NET SDK via https://dotnet.microsoft.com/download",
diff --git a/src/backend/gem.rs b/src/backend/gem.rs
index c41cd93817..4701c3f98c 100644
--- a/src/backend/gem.rs
+++ b/src/backend/gem.rs
@@ -66,6 +66,7 @@ impl Backend for GemBackend {
         self.warn_if_dependency_missing(
             &ctx.config,
             "gem",
+            &["ruby", "gem"],
             "To use gem packages with mise, you need to install Ruby first:\n\
               mise use ruby@latest",
         )
diff --git a/src/backend/go.rs b/src/backend/go.rs
index 4abd01e2c8..73313f2acf 100644
--- a/src/backend/go.rs
+++ b/src/backend/go.rs
@@ -47,6 +47,7 @@ impl Backend for GoBackend {
         self.warn_if_dependency_missing(
             config,
             "go",
+            &["go"],
             "To use go packages with mise, you need to install Go first:\n\
               mise use go@latest\n\n\
             Or install Go via https://go.dev/dl/",
@@ -112,6 +113,7 @@ impl Backend for GoBackend {
         self.warn_if_dependency_missing(
             &ctx.config,
             "go",
+            &["go"],
             "To use go packages with mise, you need to install Go first:\n\
               mise use go@latest\n\n\
             Or install Go via https://go.dev/dl/",
diff --git a/src/backend/mod.rs b/src/backend/mod.rs
index e1962343e0..3e5cd62af5 100644
--- a/src/backend/mod.rs
+++ b/src/backend/mod.rs
@@ -1335,12 +1335,15 @@ pub trait Backend: Debug + Send + Sync {
     }
 
     /// Check if a required dependency is available and show a warning if not.
-    /// This provides a consistent warning message format across all backends.
-    /// Changed to warning instead of error to avoid CI failures on Windows.
+    /// `provided_by` lists tool names that are known to provide the `program` binary
+    /// (e.g., "npm" is provided by &["node"]). If any of these tools are configured
+    /// in the toolset (even if not yet installed), the warning is suppressed since
+    /// mise will install them as dependencies first.
     async fn warn_if_dependency_missing(
         &self,
         config: &Arc<Config>,
         program: &str,
+        provided_by: &[&str],
         install_instructions: &str,
     ) {
         let found = if self.dependency_which(config, program).await.is_some() {
@@ -1365,6 +1368,17 @@ pub trait Backend: Debug + Send + Sync {
         };
 
         if !found {
+            // Check if a tool that provides this program is configured in the toolset
+            // (even if not yet installed). If so, mise will install it as a dependency
+            // before this tool needs it, so the warning is spurious.
+            if let Ok(ts) = self.dependency_toolset(config).await
+                && ts
+                    .versions
+                    .keys()
+                    .any(|ba| provided_by.contains(&ba.short.as_str()))
+            {
+                return;
+            }
             warn!(
                 "{} may be required but was not found.\n\n{}",
                 program, install_instructions
diff --git a/src/backend/npm.rs b/src/backend/npm.rs
index e932adfc16..243e9fc63a 100644
--- a/src/backend/npm.rs
+++ b/src/backend/npm.rs
@@ -316,6 +316,7 @@ impl NPMBackend {
         self.warn_if_dependency_missing(
             config,
             "npm", // Use "npm" for dependency check, which will check npm.cmd on Windows
+            &["node", "npm"],
             "To use npm packages with mise, you need to install Node.js first:\n\
               mise use node@latest\n\n\
             Note: npm is required for querying package information, even when using bun for installation.",
@@ -330,6 +331,7 @@ impl NPMBackend {
                 self.warn_if_dependency_missing(
                     config,
                     "bun",
+                    &["bun"],
                     "To use npm packages with bun, you need to install bun first:\n\
                       mise use bun@latest\n\n\
                     Or switch back to npm by setting:\n\
@@ -341,6 +343,7 @@ impl NPMBackend {
                 self.warn_if_dependency_missing(
                     config,
                     "pnpm",
+                    &["pnpm"],
                     "To use npm packages with pnpm, you need to install pnpm first:\n\
                       mise use pnpm@latest\n\n\
                     Or switch back to npm by setting:\n\
@@ -352,6 +355,7 @@ impl NPMBackend {
                 self.warn_if_dependency_missing(
                     config,
                     "npm",
+                    &["node", "npm"],
                     "To use npm packages with mise, you need to install Node.js first:\n\
                       mise use node@latest\n\n\
                     Alternatively, you can use bun or pnpm instead of npm by setting:\n\
diff --git a/src/backend/pipx.rs b/src/backend/pipx.rs
index f4bcc1bac2..d8b0766b8d 100644
--- a/src/backend/pipx.rs
+++ b/src/backend/pipx.rs
@@ -203,6 +203,7 @@ impl Backend for PIPXBackend {
             self.warn_if_dependency_missing(
                 &ctx.config,
                 "pipx",
+                &["pipx"],
                 "To use pipx packages with mise, you need to install pipx first:\n\
                   mise use pipx@latest\n\n\
                 Alternatively, you can use uv/uvx by installing uv:\n\
diff --git a/src/backend/spm.rs b/src/backend/spm.rs
index 757555773b..aa8a942f0d 100644
--- a/src/backend/spm.rs
+++ b/src/backend/spm.rs
@@ -87,6 +87,7 @@ impl Backend for SPMBackend {
         self.warn_if_dependency_missing(
             &ctx.config,
             "swift",
+            &["swift"],
             "To use Swift Package Manager (spm) tools with mise, you need to install Swift first:\n\
               mise use swift@latest\n\n\
             Or install Swift via https://swift.org/download/",