diff --git a/src/converters/claude-to-copilot.ts b/src/converters/claude-to-copilot.ts
index 22d4aebc..594f3a23 100644
--- a/src/converters/claude-to-copilot.ts
+++ b/src/converters/claude-to-copilot.ts
@@ -50,8 +50,7 @@ function convertAgent(agent: ClaudeAgent, usedNames: Set<string>): CopilotAgent
 
   const frontmatter: Record<string, unknown> = {
     description,
-    tools: ["*"],
-    infer: true,
+    "user-invocable": true,
   }
 
   let body = transformContentForCopilot(agent.body.trim())
@@ -123,12 +122,20 @@ export function transformContentForCopilot(body: string): string {
     return `/${normalized}`
   })
 
-  // 3. Rewrite .claude/ paths to .github/ and ~/.claude/ to ~/.copilot/
+  // 3. Replace plugin colon-namespaced command references (e.g. ce:plan → ce-plan, ce:* → ce-*)
+  // Scoped to `ce:` prefix which is the compound-engineering plugin namespace.
+  // The lookbehind ensures we only match at word boundaries or after common delimiters,
+  // avoiding corruption of URLs, code identifiers, or unrelated namespace:value patterns.
+  // Note: / is intentionally excluded — slash commands are already handled in step 2.
+  // Captures colons in the name segment so multi-colon refs like ce:work:beta → ce-work-beta.
+  result = result.replace(/(?<=^|[\s,.()`'"])ce:([a-z*][a-z0-9_*:-]*)/gim, (_, name: string) => `ce-${name.replace(/:/g, "-")}`)
+
+  // 4. Rewrite .claude/ paths to .github/ and ~/.claude/ to ~/.copilot/
   result = result
     .replace(/~\/\.claude\//g, "~/.copilot/")
     .replace(/\.claude\//g, ".github/")
 
-  // 4. Transform @agent-name references
+  // 5. Transform @agent-name references
   const agentRefPattern =
     /@([a-z][a-z0-9-]*-(?:agent|reviewer|researcher|analyst|specialist|oracle|sentinel|guardian|strategist))/gi
   result = result.replace(agentRefPattern, (_match, agentName: string) => {
diff --git a/tests/copilot-converter.test.ts b/tests/copilot-converter.test.ts
index 9c88fa93..6ba260de 100644
--- a/tests/copilot-converter.test.ts
+++ b/tests/copilot-converter.test.ts
@@ -55,8 +55,9 @@ describe("convertClaudeToCopilot", () => {
 
     const parsed = parseFrontmatter(agent.content)
     expect(parsed.data.description).toBe("Security-focused code review agent")
-    expect(parsed.data.tools).toEqual(["*"])
-    expect(parsed.data.infer).toBe(true)
+    expect(parsed.data.tools).toBeUndefined()
+    expect(parsed.data.infer).toBeUndefined()
+    expect(parsed.data["user-invocable"]).toBe(true)
     expect(parsed.body).toContain("Capabilities")
     expect(parsed.body).toContain("Threat modeling")
     expect(parsed.body).toContain("Focus on vulnerabilities.")
@@ -109,20 +110,21 @@ describe("convertClaudeToCopilot", () => {
     expect(parsed.data.model).toBeUndefined()
   })
 
-  test("agent tools defaults to [*]", () => {
+  test("agent omits tools (Copilot uses defaults when omitted)", () => {
     const bundle = convertClaudeToCopilot(fixturePlugin, defaultOptions)
     const parsed = parseFrontmatter(bundle.agents[0].content)
-    expect(parsed.data.tools).toEqual(["*"])
+    expect(parsed.data.tools).toBeUndefined()
   })
 
-  test("agent infer defaults to true", () => {
+  test("agent replaces infer with user-invocable", () => {
     const bundle = convertClaudeToCopilot(fixturePlugin, defaultOptions)
     const parsed = parseFrontmatter(bundle.agents[0].content)
-    expect(parsed.data.infer).toBe(true)
+    expect(parsed.data.infer).toBeUndefined()
+    expect(parsed.data["user-invocable"]).toBe(true)
   })
 
   test("warns when agent body exceeds 30k characters", () => {
-    const warnSpy = spyOn(console, "warn").mockImplementation(() => {})
+    const warnSpy = spyOn(console, "warn").mockImplementation(() => { })
 
     const plugin: ClaudePlugin = {
       ...fixturePlugin,
@@ -341,7 +343,7 @@ describe("convertClaudeToCopilot", () => {
   })
 
   test("warns when hooks are present", () => {
-    const warnSpy = spyOn(console, "warn").mockImplementation(() => {})
+    const warnSpy = spyOn(console, "warn").mockImplementation(() => { })
 
     const plugin: ClaudePlugin = {
       ...fixturePlugin,
@@ -364,7 +366,7 @@ describe("convertClaudeToCopilot", () => {
   })
 
   test("no warning when hooks are absent", () => {
-    const warnSpy = spyOn(console, "warn").mockImplementation(() => {})
+    const warnSpy = spyOn(console, "warn").mockImplementation(() => { })
 
     convertClaudeToCopilot(fixturePlugin, defaultOptions)
     expect(warnSpy).not.toHaveBeenCalled()
@@ -468,6 +470,35 @@ Task best-practices-researcher(topic)`
     expect(result).not.toContain("@security-sentinel")
   })
 
+  test("replaces ce: namespace with ce- in body text", () => {
+    const input = "prefer ce:brainstorm first. Then run ce:plan and ce:review. Use ce:* skills."
+    const result = transformContentForCopilot(input)
+    expect(result).toBe("prefer ce-brainstorm first. Then run ce-plan and ce-review. Use ce-* skills.")
+    expect(result).not.toContain("ce:")
+  })
+
+  test("replaces multi-colon ce: references fully", () => {
+    const input = "run ce:work:beta and ce:review:deep"
+    const result = transformContentForCopilot(input)
+    expect(result).toBe("run ce-work-beta and ce-review-deep")
+    expect(result).not.toContain(":")
+  })
+
+  test("ce: replacement does not corrupt non-command patterns", () => {
+    const input = "Use source: explicit and Confidence: high. See https://example.com/ace:thing"
+    const result = transformContentForCopilot(input)
+    expect(result).toContain("source: explicit")
+    expect(result).toContain("Confidence: high")
+    expect(result).toContain("ace:thing")
+  })
+
+  test("ce: replacement does not corrupt URLs", () => {
+    const input = "See https://example.com/ce:plan and http://docs.example.com/ce:review/overview"
+    const result = transformContentForCopilot(input)
+    expect(result).toContain("https://example.com/ce:plan")
+    expect(result).toContain("http://docs.example.com/ce:review/overview")
+  })
+
   test("generated skill deduplicates against sanitized pass-through skill names", () => {
     const plugin: ClaudePlugin = {
       ...fixturePlugin,
diff --git a/tests/copilot-writer.test.ts b/tests/copilot-writer.test.ts
index aaee54ca..75648ad7 100644
--- a/tests/copilot-writer.test.ts
+++ b/tests/copilot-writer.test.ts
@@ -21,7 +21,7 @@ describe("writeCopilotBundle", () => {
       agents: [
         {
           name: "security-reviewer",
-          content: "---\ndescription: Security\ntools:\n  - '*'\ninfer: true\n---\n\nReview code.",
+          content: "---\ndescription: Security\nuser-invocable: true\n---\n\nReview code.",
         },
       ],
       generatedSkills: [