diff --git a/Packages/CrowClaude/Sources/CrowClaude/ClaudeLauncher.swift b/Packages/CrowClaude/Sources/CrowClaude/ClaudeLauncher.swift
index d9a06a4..f626622 100644
--- a/Packages/CrowClaude/Sources/CrowClaude/ClaudeLauncher.swift
+++ b/Packages/CrowClaude/Sources/CrowClaude/ClaudeLauncher.swift
@@ -50,10 +50,64 @@ public actor ClaudeLauncher {
         lines.append("## Instructions")
         lines.append("1. Study the ticket thoroughly — use dangerouslyDisableSandbox: true for ALL gh/glab commands")
         lines.append("2. Create an implementation plan")
+        lines.append("3. Implement the plan")
+        lines.append("4. Commit the changes with a descriptive message")
+        lines.append("5. Push the branch to origin")
+
+        let ticketIsPR = ticketURL.map(Self.isPullRequestURL) ?? false
+        if ticketIsPR {
+            lines.append("6. The ticket is itself a pull/merge request — pushing the branch updates it; do not open a new one")
+        } else {
+            appendOpenPRStep(
+                to: &lines,
+                provider: provider,
+                ticketNumber: session.ticketNumber,
+                hasTicket: ticketURL != nil
+            )
+        }
 
         return lines.joined(separator: "\n")
     }
 
+    /// Append the final "open a PR/MR" instruction, branching on provider.
+    private func appendOpenPRStep(
+        to lines: inout [String],
+        provider: Provider?,
+        ticketNumber: Int?,
+        hasTicket: Bool
+    ) {
+        let suffix = hasTicket ? " linked to the ticket" : ""
+        switch provider {
+        case .github:
+            lines.append("6. Open a pull request\(suffix):")
+            lines.append("")
+            lines.append("```bash")
+            if let n = ticketNumber {
+                lines.append("gh pr create --title \"<summary>\" --body \"Closes #\(n)\" --base main")
+            } else {
+                lines.append("gh pr create --fill --base main")
+            }
+            lines.append("```")
+        case .gitlab:
+            lines.append("6. Open a merge request\(suffix):")
+            lines.append("")
+            lines.append("```bash")
+            if let n = ticketNumber {
+                lines.append("glab mr create --title \"<summary>\" --description \"Closes #\(n)\" --target-branch main")
+            } else {
+                lines.append("glab mr create --fill --target-branch main")
+            }
+            lines.append("```")
+        case nil:
+            lines.append("6. Open a pull request\(suffix)")
+        }
+    }
+
+    /// True when the URL points at a pull/merge request rather than an issue.
+    private static func isPullRequestURL(_ url: String) -> Bool {
+        url.contains("/pull/") || url.contains("/merge_requests/")
+    }
+
     /// Write prompt to temp file and return the launch command.
     public func launchCommand(sessionID: UUID, worktreePath: String, prompt: String) throws -> String {
         let tmpDir = FileManager.default.temporaryDirectory
diff --git a/Packages/CrowClaude/Tests/CrowClaudeTests/ClaudeLauncherTests.swift b/Packages/CrowClaude/Tests/CrowClaudeTests/ClaudeLauncherTests.swift
index 6043306..418fec5 100644
--- a/Packages/CrowClaude/Tests/CrowClaudeTests/ClaudeLauncherTests.swift
+++ b/Packages/CrowClaude/Tests/CrowClaudeTests/ClaudeLauncherTests.swift
@@ -7,7 +7,7 @@ import Testing
 
 @Test func generatePromptWithGitHubProvider() async {
     let launcher = ClaudeLauncher()
-    let session = Session(name: "test-session")
+    let session = Session(name: "test-session", ticketNumber: 42)
     let worktree = SessionWorktree(
         sessionID: session.id,
         repoName: "my-repo",
@@ -28,11 +28,17 @@ import Testing
     #expect(prompt.contains("feature/42-cool"))
     #expect(prompt.contains("gh issue view"))
     #expect(prompt.contains("dangerouslyDisableSandbox"))
+    // Completion instructions: commit / push / open PR with ticket linkage
+    #expect(prompt.contains("Commit the changes"))
+    #expect(prompt.contains("Push the branch"))
+    #expect(prompt.contains("gh pr create"))
+    #expect(prompt.contains("Closes #42"))
+    #expect(!prompt.contains("glab mr create"))
 }
 
 @Test func generatePromptWithGitLabProvider() async {
     let launcher = ClaudeLauncher()
-    let session = Session(name: "test-session")
+    let session = Session(name: "test-session", ticketNumber: 10)
 
     let prompt = await launcher.generatePrompt(
         session: session,
@@ -43,6 +49,10 @@ import Testing
 
     #expect(prompt.contains("glab issue view"))
     #expect(prompt.contains("dangerouslyDisableSandbox"))
+    #expect(prompt.contains("glab mr create"))
+    #expect(prompt.contains("Closes #10"))
+    #expect(prompt.contains("merge request"))
+    #expect(!prompt.contains("gh pr create"))
 }
 
 @Test func generatePromptWithNilProvider() async {
@@ -59,6 +69,10 @@ import Testing
     #expect(prompt.contains("URL: https://example.com/ticket/1"))
     #expect(!prompt.contains("gh issue"))
     #expect(!prompt.contains("glab issue"))
+    // With an unknown provider, we must not emit a provider-specific CLI command
+    #expect(!prompt.contains("gh pr create"))
+    #expect(!prompt.contains("glab mr create"))
+    #expect(prompt.contains("Open a pull request"))
 }
 
 @Test func generatePromptWithNoTicket() async {
@@ -82,6 +96,10 @@ import Testing
     #expect(prompt.hasPrefix("/plan"))
     #expect(prompt.contains("| repo |"))
     #expect(!prompt.contains("## Ticket"))
+    // Without a ticket, the PR step is still present (generic form)
+    #expect(prompt.contains("Push the branch"))
+    #expect(prompt.contains("Open a pull request"))
+    #expect(!prompt.contains("Closes #"))
 }
 
 @Test func generatePromptWithEmptyWorktrees() async {
@@ -99,6 +117,40 @@ import Testing
     #expect(prompt.contains("## Instructions"))
 }
 
+@Test func generatePromptWhenTicketIsPullRequestGitHub() async {
+    let launcher = ClaudeLauncher()
+    let session = Session(name: "test-session", ticketNumber: 77)
+
+    let prompt = await launcher.generatePrompt(
+        session: session,
+        worktrees: [],
+        ticketURL: "https://github.com/org/repo/pull/77",
+        provider: .github
+    )
+
+    // When the ticket is already a PR, we must not instruct the agent to open a new one
+    #expect(!prompt.contains("gh pr create"))
+    #expect(!prompt.contains("Closes #"))
+    #expect(prompt.contains("Push the branch"))
+    #expect(prompt.contains("pushing the branch updates it"))
+}
+
+@Test func generatePromptWhenTicketIsMergeRequestGitLab() async {
+    let launcher = ClaudeLauncher()
+    let session = Session(name: "test-session", ticketNumber: 77)
+
+    let prompt = await launcher.generatePrompt(
+        session: session,
+        worktrees: [],
+        ticketURL: "https://gitlab.com/org/repo/-/merge_requests/77",
+        provider: .gitlab
+    )
+
+    #expect(!prompt.contains("glab mr create"))
+    #expect(!prompt.contains("Closes #"))
+    #expect(prompt.contains("pushing the branch updates it"))
+}
+
 // MARK: - launchCommand()
 
 @Test func launchCommandWritesTempFile() async throws {
diff --git a/skills/crow-workspace/SKILL.md b/skills/crow-workspace/SKILL.md
index f6d1c7a..d31a8cb 100644
--- a/skills/crow-workspace/SKILL.md
+++ b/skills/crow-workspace/SKILL.md
@@ -323,8 +323,18 @@ gh issue view https://github.com/org/repo/issues/123 --comments
 ## Instructions
 1. Study the ticket thoroughly — use dangerouslyDisableSandbox: true for ALL gh/glab commands
 2. Create an implementation plan
+3. Implement the plan
+4. Commit the changes with a descriptive message
+5. Push the branch to origin
+6. Open a pull request linked to the ticket:
+
+```bash
+gh pr create --title "<summary>" --body "Closes #123" --base main
+```
 ~~~
 
+For GitLab tickets, substitute `glab mr create --title "<summary>" --description "Closes #{number}" --target-branch main` on step 6 (use "merge request" instead of "pull request"). When no ticket number is available, drop the body/description and fall back to `gh pr create --fill` / `glab mr create --fill`.
+
 **When an existing PR was detected**, add this section to the prompt between `## Ticket` and `## Instructions`:
 
 ~~~markdown
@@ -346,9 +356,12 @@ And update the Instructions section to:
 1. Review the existing PR and its changes — use dangerouslyDisableSandbox: true for ALL gh/glab commands
 2. Study the ticket thoroughly
 3. Create an implementation plan that builds on the existing work
+4. Implement the plan
+5. Commit the changes with a descriptive message
+6. Push the branch — this updates the existing PR automatically; do NOT open a new one
 ~~~
 
-For MyGitLab, add: `4. If any changes to my-project are required, create a new worktree with a feature branch before making modifications`
+For MyGitLab, add: `7. If any changes to my-project are required, create a new worktree with a feature branch before making modifications`
 
 ### CLI Commands for Fetching Issues