diff --git a/src/config/schema.test.ts b/src/config/schema.test.ts
index 0b1c87e8..704a7ea8 100644
--- a/src/config/schema.test.ts
+++ b/src/config/schema.test.ts
@@ -664,3 +664,72 @@ describe("ExperimentalConfigSchema feature flags", () => {
     }
   })
 })
+
+describe("GitMasterConfigSchema", () => {
+  test("accepts boolean true for commit_footer", () => {
+    //#given
+    const config = { commit_footer: true }
+
+    //#when
+    const result = GitMasterConfigSchema.safeParse(config)
+
+    //#then
+    expect(result.success).toBe(true)
+    if (result.success) {
+      expect(result.data.commit_footer).toBe(true)
+    }
+  })
+
+  test("accepts boolean false for commit_footer", () => {
+    //#given
+    const config = { commit_footer: false }
+
+    //#when
+    const result = GitMasterConfigSchema.safeParse(config)
+
+    //#then
+    expect(result.success).toBe(true)
+    if (result.success) {
+      expect(result.data.commit_footer).toBe(false)
+    }
+  })
+
+  test("accepts string value for commit_footer", () => {
+    //#given
+    const config = { commit_footer: "Custom footer text" }
+
+    //#when
+    const result = GitMasterConfigSchema.safeParse(config)
+
+    //#then
+    expect(result.success).toBe(true)
+    if (result.success) {
+      expect(result.data.commit_footer).toBe("Custom footer text")
+    }
+  })
+
+  test("defaults commit_footer to true when not provided", () => {
+    //#given
+    const config = {}
+
+    //#when
+    const result = GitMasterConfigSchema.safeParse(config)
+
+    //#then
+    expect(result.success).toBe(true)
+    if (result.success) {
+      expect(result.data.commit_footer).toBe(true)
+    }
+  })
+
+  test("rejects number for commit_footer", () => {
+    //#given
+    const config = { commit_footer: 123 }
+
+    //#when
+    const result = GitMasterConfigSchema.safeParse(config)
+
+    //#then
+    expect(result.success).toBe(false)
+  })
+})
diff --git a/src/config/schema.ts b/src/config/schema.ts
index 387e08c7..f6d15d61 100644
--- a/src/config/schema.ts
+++ b/src/config/schema.ts
@@ -339,10 +339,10 @@ export const BabysittingConfigSchema = z.object({
 })
 
 export const GitMasterConfigSchema = z.object({
-  /** Add "Ultraworked with Sisyphus" footer to commit messages (default: true) */
-  commit_footer: z.boolean().default(true),
-  /** Add "Co-authored-by: Sisyphus" trailer to commit messages (default: true) */
-  include_co_authored_by: z.boolean().default(true),
+	/** Add "Ultraworked with Sisyphus" footer to commit messages (default: true). Can be boolean or custom string. */
+	commit_footer: z.union([z.boolean(), z.string()]).default(true),
+	/** Add "Co-authored-by: Sisyphus" trailer to commit messages (default: true) */
+	include_co_authored_by: z.boolean().default(true),
 })
 
 export const BrowserAutomationProviderSchema = z.enum(["playwright", "agent-browser", "dev-browser"])
diff --git a/src/features/opencode-skill-loader/skill-content.test.ts b/src/features/opencode-skill-loader/skill-content.test.ts
index 4ea84671..60f777ed 100644
--- a/src/features/opencode-skill-loader/skill-content.test.ts
+++ b/src/features/opencode-skill-loader/skill-content.test.ts
@@ -314,6 +314,44 @@ describe("resolveMultipleSkillsAsync", () => {
 		expect(gitMasterContent).toContain("Co-authored-by: Sisyphus")
 	})
 
+	it("should inject custom string footer when commit_footer is a string", async () => {
+		// given: git-master skill with custom string footer
+		const skillNames = ["git-master"]
+		const customFooter = "Custom footer from my team"
+		const options = {
+			gitMasterConfig: {
+				commit_footer: customFooter,
+				include_co_authored_by: false,
+			},
+		}
+
+		// when: resolving with custom footer config
+		const result = await resolveMultipleSkillsAsync(skillNames, options)
+
+		// then: custom footer is injected instead of default
+		const gitMasterContent = result.resolved.get("git-master")
+		expect(gitMasterContent).toContain(customFooter)
+		expect(gitMasterContent).not.toContain("Ultraworked with [Sisyphus]")
+	})
+
+	it("should use default Sisyphus footer when commit_footer is boolean true", async () => {
+		// given: git-master skill with boolean true footer
+		const skillNames = ["git-master"]
+		const options = {
+			gitMasterConfig: {
+				commit_footer: true,
+				include_co_authored_by: false,
+			},
+		}
+
+		// when: resolving with boolean true footer config
+		const result = await resolveMultipleSkillsAsync(skillNames, options)
+
+		// then: default Sisyphus footer is injected
+		const gitMasterContent = result.resolved.get("git-master")
+		expect(gitMasterContent).toContain("Ultraworked with [Sisyphus]")
+	})
+
 	it("should handle empty array", async () => {
 		// given: empty skill names
 		const skillNames: string[] = []
diff --git a/src/features/opencode-skill-loader/skill-content.ts b/src/features/opencode-skill-loader/skill-content.ts
index 3b359629..27d00291 100644
--- a/src/features/opencode-skill-loader/skill-content.ts
+++ b/src/features/opencode-skill-loader/skill-content.ts
@@ -97,9 +97,10 @@ export function injectGitMasterConfig(template: string, config?: GitMasterConfig
 	sections.push(``)
 
 	if (commitFooter) {
+		const footerText = typeof commitFooter === "string" ? commitFooter : "Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)"
 		sections.push(`1. **Footer in commit body:**`)
 		sections.push("```")
-		sections.push(`Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)`)
+		sections.push(footerText)
 		sections.push("```")
 		sections.push(``)
 	}
@@ -113,14 +114,16 @@ export function injectGitMasterConfig(template: string, config?: GitMasterConfig
 	}
 
 	if (commitFooter && includeCoAuthoredBy) {
+		const footerText = typeof commitFooter === "string" ? commitFooter : "Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)"
 		sections.push(`**Example (both enabled):**`)
 		sections.push("```bash")
-		sections.push(`git commit -m "{Commit Message}" -m "Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)" -m "Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>"`)
+		sections.push(`git commit -m "{Commit Message}" -m "${footerText}" -m "Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>"`)
 		sections.push("```")
 	} else if (commitFooter) {
+		const footerText = typeof commitFooter === "string" ? commitFooter : "Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)"
 		sections.push(`**Example:**`)
 		sections.push("```bash")
-		sections.push(`git commit -m "{Commit Message}" -m "Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)"`)
+		sections.push(`git commit -m "{Commit Message}" -m "${footerText}"`)
 		sections.push("```")
 	} else if (includeCoAuthoredBy) {
 		sections.push(`**Example:**`)