diff --git a/packages/coding-agent/src/main.ts b/packages/coding-agent/src/main.ts
index 3aeb8606..747e83fb 100644
--- a/packages/coding-agent/src/main.ts
+++ b/packages/coding-agent/src/main.ts
@@ -94,7 +94,7 @@ function expandTildePath(input: string): string {
 
 function resolveLocalSourceFromInput(source: string, cwd: string): string {
 	const expanded = expandTildePath(source);
-	return isAbsolute(expanded) ? expanded : resolve(cwd, expanded);
+	return isAbsolute(expanded) ? resolve(expanded) : resolve(cwd, expanded);
 }
 
 function resolveLocalSourceFromSettings(source: string, baseDir: string): string {
@@ -172,18 +172,21 @@ function updatePackageSources(
 	cwd: string,
 	agentDir: string,
 	action: "add" | "remove",
-): void {
+): boolean {
 	const currentSettings = local ? settingsManager.getProjectSettings() : settingsManager.getGlobalSettings();
 	const currentPackages = currentSettings.packages ?? [];
 	const baseDir = local ? join(cwd, CONFIG_DIR_NAME) : agentDir;
 	const normalizedSource = normalizePackageSourceForSettings(source, baseDir, cwd);
 
 	let nextPackages: PackageSource[];
+	let changed = false;
 	if (action === "add") {
 		const exists = currentPackages.some((existing) => packageSourcesMatch(existing, source, baseDir, cwd));
 		nextPackages = exists ? currentPackages : [...currentPackages, normalizedSource];
+		changed = !exists;
 	} else {
 		nextPackages = currentPackages.filter((existing) => !packageSourcesMatch(existing, source, baseDir, cwd));
+		changed = nextPackages.length !== currentPackages.length;
 	}
 
 	if (local) {
@@ -191,6 +194,8 @@ function updatePackageSources(
 	} else {
 		settingsManager.setPackages(nextPackages);
 	}
+
+	return changed;
 }
 
 async function handlePackageCommand(args: string[]): Promise<boolean> {
@@ -230,7 +235,11 @@ async function handlePackageCommand(args: string[]): Promise<boolean> {
 			process.exit(1);
 		}
 		await packageManager.remove(options.source, { local: options.local });
-		updatePackageSources(settingsManager, options.source, options.local, cwd, agentDir, "remove");
+		const removed = updatePackageSources(settingsManager, options.source, options.local, cwd, agentDir, "remove");
+		if (!removed) {
+			console.error(chalk.red(`No matching package found for ${options.source}`));
+			process.exit(1);
+		}
 		console.log(chalk.green(`Removed ${options.source}`));
 		return true;
 	}
diff --git a/packages/coding-agent/test/package-command-paths.test.ts b/packages/coding-agent/test/package-command-paths.test.ts
new file mode 100644
index 00000000..539bf7d6
--- /dev/null
+++ b/packages/coding-agent/test/package-command-paths.test.ts
@@ -0,0 +1,53 @@
+import { mkdirSync, readFileSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { afterEach, beforeEach, describe, expect, it } from "vitest";
+import { ENV_AGENT_DIR } from "../src/config.js";
+import { main } from "../src/main.js";
+
+describe("package commands", () => {
+	let tempDir: string;
+	let agentDir: string;
+	let projectDir: string;
+	let packageDir: string;
+	let originalCwd: string;
+	let originalAgentDir: string | undefined;
+
+	beforeEach(() => {
+		tempDir = join(tmpdir(), `pi-package-commands-${Date.now()}-${Math.random().toString(36).slice(2)}`);
+		agentDir = join(tempDir, "agent");
+		projectDir = join(tempDir, "project");
+		packageDir = join(tempDir, "local-package");
+		mkdirSync(agentDir, { recursive: true });
+		mkdirSync(projectDir, { recursive: true });
+		mkdirSync(packageDir, { recursive: true });
+
+		originalCwd = process.cwd();
+		originalAgentDir = process.env[ENV_AGENT_DIR];
+		process.env[ENV_AGENT_DIR] = agentDir;
+		process.chdir(projectDir);
+	});
+
+	afterEach(() => {
+		process.chdir(originalCwd);
+		if (originalAgentDir === undefined) {
+			delete process.env[ENV_AGENT_DIR];
+		} else {
+			process.env[ENV_AGENT_DIR] = originalAgentDir;
+		}
+		rmSync(tempDir, { recursive: true, force: true });
+	});
+
+	it("should remove local packages using a path with a trailing slash", async () => {
+		await main(["install", `${packageDir}/`]);
+
+		const settingsPath = join(agentDir, "settings.json");
+		const installedSettings = JSON.parse(readFileSync(settingsPath, "utf-8")) as { packages?: string[] };
+		expect(installedSettings.packages?.length).toBe(1);
+
+		await main(["remove", `${packageDir}/`]);
+
+		const removedSettings = JSON.parse(readFileSync(settingsPath, "utf-8")) as { packages?: string[] };
+		expect(removedSettings.packages ?? []).toHaveLength(0);
+	});
+});