diff --git a/package.json b/package.json
index 7ab1ee8..da31a05 100644
--- a/package.json
+++ b/package.json
@@ -273,7 +273,7 @@
 			{
 				"view": "miseEnvsView",
 				"contents": "[Environment variables](https://mise.jdx.dev/environments.html) will be displayed here.",
-				"when": "config.mise.binPath && config.mise.enable"
+				"when": "config.mise.binPath && config.mise.enable && !mise.envProviderError"
 			},
 			{
 				"view": "miseEnvsView",
diff --git a/src/miseService.ts b/src/miseService.ts
index aa493c9..2a9ac46 100644
--- a/src/miseService.ts
+++ b/src/miseService.ts
@@ -36,7 +36,7 @@ const STATE_DIR =
 	process.env.MISE_STATE_DIR ?? path.join(XDG_STATE_HOME, "mise");
 const TRACKED_CONFIG_DIR = path.join(STATE_DIR, "tracked-configs");
 
-const MIN_MISE_VERSION = [2024, 11, 32] as const;
+const MIN_MISE_VERSION = [2024, 12, 2] as const;
 
 function compareVersions(
 	a: readonly [number, number, number],
@@ -186,7 +186,7 @@ export class MiseService {
 				execution,
 			);
 
-			const p = new Promise((resolve, reject) => {
+			const p = new Promise((resolve) => {
 				const disposable = vscode.tasks.onDidEndTask((e) => {
 					if (e.execution.task === task) {
 						vscode.commands.executeCommand(MISE_RELOAD);
@@ -462,6 +462,24 @@ export class MiseService {
 		}
 	}
 
+	async getEnvWithInfo() {
+		if (!this.getMiseBinaryPath()) {
+			return [];
+		}
+
+		const { stdout } = await this.cache.execCmd({
+			command: "env --json-extended",
+		});
+
+		const parsed = JSON.parse(stdout) as Record<string, MiseEnvWithInfo>;
+		return Object.entries(parsed).map(([key, info]) => ({
+			name: key,
+			value: info.value,
+			tool: info?.tool,
+			source: info?.source ? expandPath(info.source) : undefined,
+		}));
+	}
+
 	async miseFmt() {
 		await this.execMiseCommand("fmt", { setMiseEnv: false });
 	}
diff --git a/src/providers/envProvider.ts b/src/providers/envProvider.ts
index 64c4a3f..c4ccb01 100644
--- a/src/providers/envProvider.ts
+++ b/src/providers/envProvider.ts
@@ -3,6 +3,7 @@ import {
 	MISE_COPY_ENV_VARIABLE_NAME,
 	MISE_COPY_ENV_VARIABLE_VALUE,
 	MISE_OPEN_ENV_VAR_DEFINITION,
+	MISE_OPEN_TOOL_DEFINITION,
 	MISE_SET_ENV_VARIABLE,
 } from "../commands";
 import {
@@ -34,7 +35,7 @@ export class MiseEnvsProvider implements vscode.TreeDataProvider<EnvItem> {
 	}
 
 	async getEnvItems() {
-		const envs = await this.miseService.getEnvs();
+		const envs = await this.miseService.getEnvWithInfo();
 		return envs.map((env) => new EnvItem(env));
 	}
 
@@ -58,9 +59,16 @@ export class MiseEnvsProvider implements vscode.TreeDataProvider<EnvItem> {
 }
 
 class EnvItem extends vscode.TreeItem {
-	constructor(public env: MiseEnv) {
+	constructor(public env: MiseEnvWithInfo) {
 		const label = env.value ? `${env.name}=${env.value}` : env.name;
 		super(label, vscode.TreeItemCollapsibleState.None);
+		this.tooltip = [
+			`${env.name}=${env.value}`,
+			env.source ? `source: ${env.source}` : "",
+			env.tool ? `Tool: ${env.tool}` : "",
+		]
+			.filter(Boolean)
+			.join("\n");
 
 		this.contextValue = "envItem";
 		this.command = {
@@ -79,7 +87,7 @@ export function registerEnvsCommands(
 		vscode.commands.registerCommand(
 			MISE_OPEN_ENV_VAR_DEFINITION,
 			async (name: string | undefined) => {
-				const possibleEnvs = await miseService.getEnvs();
+				const possibleEnvs = await miseService.getEnvWithInfo();
 				let selectedName = name;
 				if (!selectedName) {
 					selectedName = await vscode.window.showQuickPick(
@@ -93,20 +101,36 @@ export function registerEnvsCommands(
 					return;
 				}
 
-				const configs = (await miseService.getMiseConfigFiles()).filter((c) =>
-					c.path.endsWith(".toml"),
-				);
-
-				const documents = await Promise.all(
-					configs.map((config) =>
-						vscode.workspace.openTextDocument(config.path),
-					),
-				);
-				const needle = findEnvVarPosition(documents, env.name);
-				if (needle?.range) {
-					void vscode.window.showTextDocument(needle.document, {
-						selection: needle.range,
-					});
+				if (env.source) {
+					const document = await vscode.workspace.openTextDocument(env.source);
+					const needle = findEnvVarPosition([document], env.name);
+					if (needle?.range) {
+						void vscode.window.showTextDocument(needle.document, {
+							selection: needle.range,
+						});
+					}
+				} else if (env.tool) {
+					await vscode.commands.executeCommand(
+						MISE_OPEN_TOOL_DEFINITION,
+						env.tool,
+					);
+				} else {
+					const configs = (await miseService.getMiseConfigFiles()).filter((c) =>
+						c.path.endsWith(".toml"),
+					);
+
+					const documents = await Promise.all(
+						configs.map((config) =>
+							vscode.workspace.openTextDocument(config.path),
+						),
+					);
+					const needle = findEnvVarPosition(documents, env.name);
+
+					if (needle?.range) {
+						void vscode.window.showTextDocument(needle.document, {
+							selection: needle.range,
+						});
+					}
 				}
 			},
 		),
diff --git a/src/providers/toolsProvider.ts b/src/providers/toolsProvider.ts
index 9b4e528..a43205a 100644
--- a/src/providers/toolsProvider.ts
+++ b/src/providers/toolsProvider.ts
@@ -227,8 +227,12 @@ export function registerToolsCommands(
 	context.subscriptions.push(
 		vscode.commands.registerCommand(
 			MISE_OPEN_TOOL_DEFINITION,
-			async (tool: MiseTool | undefined) => {
+			async (tool: MiseTool | string | undefined) => {
 				let selectedTool = tool;
+				if (typeof selectedTool === "string") {
+					const tools = await miseService.getCurrentTools();
+					selectedTool = tools.find((t) => t.name === tool);
+				}
 				if (!selectedTool) {
 					const tools = await miseService.getCurrentTools();
 					const toolNames = tools.map(
diff --git a/src/types.ts b/src/types.ts
index 52bfdbd..7f9906d 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -32,3 +32,8 @@ type MiseEnv = {
 	name: string;
 	value: string;
 };
+
+type MiseEnvWithInfo = MiseEnv & {
+	source?: string;
+	tool?: string;
+};
diff --git a/src/utils/miseFileParser.ts b/src/utils/miseFileParser.ts
index 0a6db0f..87e1c68 100644
--- a/src/utils/miseFileParser.ts
+++ b/src/utils/miseFileParser.ts
@@ -89,10 +89,22 @@ export function findEnvVarPosition(
 	envVarName: string,
 ) {
 	for (const document of documents) {
-		const parser = new TomlParser<MiseTomlType>(document.getText());
-		const range = parser.findRange(parser.parsed.env ?? {}, envVarName);
-		if (range) {
-			return { document, range };
+		if (document.fileName.endsWith("toml")) {
+			const parser = new TomlParser<MiseTomlType>(document.getText());
+			const range = parser.findRange(parser.parsed.env ?? {}, envVarName);
+			if (range) {
+				return { document, range };
+			}
+		} else {
+			const lines = document.getText().split("\n");
+			for (let i = 0; i < lines.length; i++) {
+				const line = lines[i];
+				if (line?.includes(envVarName)) {
+					const startPos = new vscode.Position(i, line.indexOf(envVarName));
+					const endPos = startPos.translate(0, envVarName.length);
+					return { document, range: new vscode.Range(startPos, endPos) };
+				}
+			}
 		}
 	}
 	return undefined;