title: No executable found matching command "dotnet-ef" (Preview 3)
body: <p>I keep getting the above error when trying to run my EF tools from the command line.</p>
  
  <p>I have followed all of the suggestions at <a href="https://stackoverflow.com/questions/37276882/no-executable-found-matching-command-dotnet-ef">No executable found matching command &quot;dotnet-ef&quot;</a> to no avail.</p>
  
  <p>I am running from the project root and, as per another suggestion, I have configured my library to emit an entry point (which made no difference).</p>
  
  <p>Here is my project.json</p>
  
  <pre><code>{
      "version": "1.0.0-*",
  
      "dependencies": {
          "NETStandard.Library": "1.6.1-preview1-24530-04",
          "Microsoft.AspNetCore.Session": "1.1.0-preview1-final",
          "Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.1.0-preview1-final",
          "Microsoft.EntityFrameworkCore.SqlServer": "1.1.0-preview1-final",
          "Microsoft.EntityFrameworkCore.SqlServer.Design": "1.1.0-preview1-final",
          "Microsoft.EntityFrameworkCore.Tools": {
              "version": "1.0.0-preview3-final",
              "type": "build"
          },
          "Microsoft.NETCore.App": "1.1.0-preview1-001100-00",
          "Newtonsoft.Json": "9.0.1"
      },
  
      "frameworks": {
          "netcoreapp1.0": {
              "imports": [
                  "dotnet5.6",
                  "portable-net45+win8"
              ]
          }
      },
  
      "tools": {
          "Microsoft.Extensions.Caching.SqlConfig.Tools": "1.0.0-preview3-final",
          "Microsoft.EntityFrameworkCore.Tools": {
              "version": "1.0.0-preview3-final",
              "imports": "portable-net451+win8"
          }
      },
  
      "buildOptions": {
          "emitEntryPoint": true
      }
  }
  </code></pre>
  
  <p>My EF code elements are in a separate library referenced by my MVC project.</p>
  
  <p>UPDATE: I have tried running this from my MVC project to rule out library weirdness and I get the same problem with the following project.json</p>
  
  <pre><code>{
      "userSecretsId": "aspnet-blahblahblah",
  
      "dependencies": {
          "MyLibrary": {
              "target": "project"
          },
          "Microsoft.AspNetCore.Authentication.Cookies": "1.1.0-preview1-final",
          "Microsoft.AspNetCore.Diagnostics": "1.1.0-preview1-final",
          "Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.1.0-preview1-final",
          "Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.1.0-preview1-final",
          "Microsoft.AspNetCore.Mvc": "1.1.0-preview1-final",
          "Microsoft.AspNetCore.Razor.Tools": "1.0.0-preview3-final",
          "Microsoft.AspNetCore.Routing": "1.1.0-preview1-final",
          "Microsoft.AspNetCore.Server.IISIntegration": "1.1.0-preview1-final",
          "Microsoft.AspNetCore.Server.Kestrel": "1.1.0-preview1-final",
          "Microsoft.AspNetCore.StaticFiles": "1.1.0-preview1-final",
          "Microsoft.EntityFrameworkCore.SqlServer": "1.1.0-preview1-final",
          "Microsoft.EntityFrameworkCore.SqlServer.Design": "1.1.0-preview1-final",
          "Microsoft.EntityFrameworkCore.Tools": {
              "version": "1.0.0-preview3-final",
              "type": "build"
          },
          "Microsoft.Extensions.Caching.SqlServer": "1.0.0",
          "Microsoft.Extensions.Configuration.EnvironmentVariables": "1.1.0-preview1-final",
          "Microsoft.Extensions.Configuration.Json": "1.1.0-preview1-final",
          "Microsoft.Extensions.Configuration.UserSecrets": "1.1.0-preview1-final",
          "Microsoft.Extensions.Logging": "1.1.0-preview1-final",
          "Microsoft.Extensions.Logging.Console": "1.1.0-preview1-final",
          "Microsoft.Extensions.Logging.Debug": "1.1.0-preview1-final",
          "Microsoft.Extensions.Options.ConfigurationExtensions": "1.1.0-preview1-final",
          "Microsoft.NETCore.App": "1.1.0-preview1-001100-00",
          "Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.1.0-preview1-final",
          "Microsoft.VisualStudio.Web.CodeGeneration.Tools": "1.0.0-preview3-final",
          "Microsoft.VisualStudio.Web.CodeGenerators.Mvc": "1.0.0-preview3-final"
      },
  
      "tools": {
          "Microsoft.Extensions.SecretManager.Tools": "1.0.0-preview3-final",
          "Microsoft.EntityFrameworkCore.Tools": {
              "version": "1.0.0-preview3-final",
              "imports": "portable-net451+win8"
          }
      },
  
      "frameworks": {
          "netcoreapp1.0": {
              "imports": [
                  "dotnet5.6",
                  "portable-net45+win8"
              ]
          }
      },
  
      "buildOptions": {
          "emitEntryPoint": true,
          "preserveCompilationContext": true
      },
  
      "runtimes": {
          "win7-x64": {}
      },
  
      "runtimeOptions": {
          "configProperties": {
              "System.GC.Server": true
          }
      },
  
      "publishOptions": {
          "include": [
              "wwwroot",
              "**/*.cshtml",
              "appsettings.json",
              "web.config"
          ]
      },
  
      "scripts": {
          "prepublish": [ "npm install", "gulp build-prod" ],
          "postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
      }
  }
  </code></pre>
  
  <p>I've also added this to github at <a href="https://github.com/aspnet/EntityFramework/issues/6892" rel="nofollow noreferrer">https://github.com/aspnet/EntityFramework/issues/6892</a></p>