diff --git a/src/detect.ts b/src/detect.ts
index abc5609..f550149 100644
--- a/src/detect.ts
+++ b/src/detect.ts
@@ -14,6 +14,7 @@ const FRAMEWORK_NAMES: Record<FrameworkId, string> = {
   playwright: "Playwright",
   "go-test": "Go test",
   "cargo-test": "Cargo test",
+  tap: "TAP",
   node: "Node/npm generic",
   unknown: "Unknown"
 };
@@ -76,6 +77,10 @@ export function detectFramework(command: string[] = [], output = ""): DetectedFr
     add("cargo-test", 3, "output contains Rust failure references");
   }
 
+  if (/^TAP version \d+/m.test(output)) add("tap", 4, "output contains TAP version header");
+  if (/^not ok \d+\b/m.test(output)) add("tap", 4, "output contains TAP failing test lines");
+  if (/^# (?:tests|pass|fail|skip|todo)\b/im.test(output)) add("tap", 2, "output contains TAP summary lines");
+
   if (/\b(?:npm|pnpm|yarn|bun)\s+(?:run\s+)?(?:test|unit|e2e|spec|check)\b/.test(commandText)) {
     add("node", 2, "command is a Node package script");
   }
diff --git a/src/extract.ts b/src/extract.ts
index ddb740b..67a6827 100644
--- a/src/extract.ts
+++ b/src/extract.ts
@@ -67,7 +67,8 @@ function findAnchorLines(lines: string[], framework: DetectedFramework): number[
     pytest: [/=+\s*FAILURES\s*=+/i, /^_{3,}\s+.+\s+_{3,}$/],
     playwright: [/^\s*\d+\)\s+\[.*\]\s+.+\s+›\s+/, /Error:\s+expect\(.+\)\./],
     "go-test": [/^FAIL\t/, /^\s+.+\.go:\d+:/],
-    "cargo-test": [/^----\s+.+\s+stdout\s+----/, /^failures:\s*$/i]
+    "cargo-test": [/^----\s+.+\s+stdout\s+----/, /^failures:\s*$/i],
+    tap: [/^not ok \d+\b/, /^\s{2,}---\s*$/, /^\s{2,}\.\.\.\s*$/]
   };
 
   const allPatterns = [...patterns, ...(frameworkPatterns[framework.id] ?? [])];
@@ -142,7 +143,9 @@ function collectAssertionMessages(lines: string[]): string[] {
     /Error:\s+expect\(.*/i,
     /^\s*E\s+AssertionError:.*/i,
     /thread '.*' panicked at.*/i,
-    /\bpanic:.*/i
+    /\bpanic:.*/i,
+    /^not ok \d+\b.*/i,
+    /^\s{4}(?:message|severity|operator|expected|actual):\s+.*/i
   ];
 
   for (const line of lines) {
@@ -243,7 +246,10 @@ function collectSummaryLines(lines: string[]): string[] {
     /^FAIL\s+.+/i,
     /^test result: FAILED\./i,
     /^error: test failed/i,
-    /^failures:\s*$/i
+    /^failures:\s*$/i,
+    /^TAP version \d+/i,
+    /^not ok \d+\b/i,
+    /^# (?:tests|pass|fail|skip|todo)\b/i
   ];
 
   return uniqueStrings(
diff --git a/src/types.ts b/src/types.ts
index c966a71..d51d21b 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -7,6 +7,7 @@ export type FrameworkId =
   | "playwright"
   | "go-test"
   | "cargo-test"
+  | "tap"
   | "node"
   | "unknown";
 
diff --git a/test/detect.test.ts b/test/detect.test.ts
index ac627ba..b253be2 100644
--- a/test/detect.test.ts
+++ b/test/detect.test.ts
@@ -13,4 +13,10 @@ describe("detectFramework", () => {
     expect(framework.id).toBe("pytest");
     expect(framework.confidence).not.toBe("low");
   });
+
+  it("detects TAP from version header and failing test lines", () => {
+    const framework = detectFramework([], "TAP version 13\nnot ok 2 should validate payload\n# fail 1");
+    expect(framework.id).toBe("tap");
+    expect(framework.confidence).toBe("high");
+  });
 });
diff --git a/test/extract.test.ts b/test/extract.test.ts
index 2e3c376..e09d9e1 100644
--- a/test/extract.test.ts
+++ b/test/extract.test.ts
@@ -22,6 +22,27 @@ const playwrightLog = `
     attachment #3: trace (application/zip) - test-results/login-works-chromium/trace.zip
 `;
 
+const tapLog = `
+TAP version 13
+# Subtest: api validation
+    ok 1 accepts valid payload
+    not ok 2 rejects missing user id
+      ---
+      message: "expected validation error"
+      severity: fail
+      operator: equal
+      expected: true
+      actual: false
+      ...
+    ok 3 accepts optional metadata
+not ok 1 api validation
+ok 2 config loads
+1..2
+# tests 2
+# pass 1
+# fail 1
+`;
+
 describe("extractFailures", () => {
   it("extracts blocks, assertion messages, summaries, and file references", () => {
     const extraction = extractFailures(vitestLog, detectFramework(["vitest"], vitestLog));
@@ -41,4 +62,13 @@ describe("extractFailures", () => {
       expect.objectContaining({ kind: "trace", path: "test-results/login-works-chromium/trace.zip" })
     ]);
   });
+
+  it("extracts TAP failing tests, diagnostics, and summary counts", () => {
+    const extraction = extractFailures(tapLog, detectFramework([], tapLog));
+
+    expect(extraction.blocks[0]?.text).toContain("not ok 2 rejects missing user id");
+    expect(extraction.assertionMessages).toContain("not ok 2 rejects missing user id");
+    expect(extraction.assertionMessages).toContain("message: \"expected validation error\"");
+    expect(extraction.summaryLines).toEqual(expect.arrayContaining(["TAP version 13", "# tests 2", "# fail 1"]));
+  });
 });