diff --git a/src/features/run/runConfigTypes.test.tsx b/src/features/run/runConfigTypes.test.tsx
index 0531328d8..3b1a2130a 100644
--- a/src/features/run/runConfigTypes.test.tsx
+++ b/src/features/run/runConfigTypes.test.tsx
@@ -16,6 +16,7 @@ import { typeRows } from "./AddConfigPopup";
 import { runBeforeLaunch } from "./beforeLaunch";
 import { buildRows } from "./ConfigChooser";
 import { compoundChildren, compoundCycle, formatEnv, parseEnv, validateConfig } from "./configs";
+import { contextConfig } from "./context";
 import { EditConfigsOverlay, moveConfig, treeRows } from "./EditConfigsDialog";
 import { pasteRows } from "./EnvDialog";
 import { CURRENT_FILE, resetRuns, selectConfig, sessionsOf, startCompound, startRun, useRun } from "./store";
@@ -101,6 +102,87 @@ describe("configuration types", () => {
     expect(godot.paramsFrom!(cfg("x", { command: "cargo" }))).toBeNull();
   });
 
+  it("pytest round-trips commandLine / paramsFrom and opens implicit context configs in the form", () => {
+    const pytest = typeFor("pytest")!;
+    expect(pytest.debugAdapter).toBe("debugpy");
+    expect(newConfigOfType(pytest, [])).toMatchObject({
+      kind: "pytest",
+      command: "pytest",
+      args: [],
+      debugAdapter: "debugpy",
+      params: { command: "pytest" },
+    });
+
+    const cases: Array<{
+      command: string;
+      args: string[];
+      params: { command: string; runnerArgs: string; target: string; options: string };
+    }> = [
+      {
+        command: "pytest",
+        args: ["tests", "-x"],
+        params: { command: "pytest", runnerArgs: "", target: "tests", options: "-x" },
+      },
+      {
+        command: "uv",
+        args: ["run", "pytest", "tests/test_a.py::test_x", "-q"],
+        params: { command: "uv", runnerArgs: "run pytest", target: "tests/test_a.py::test_x", options: "-q" },
+      },
+      {
+        command: "python",
+        args: ["-m", "pytest"],
+        params: { command: "python", runnerArgs: "-m pytest", target: "", options: "" },
+      },
+      {
+        command: ".venv/bin/pytest",
+        args: [],
+        params: { command: ".venv/bin/pytest", runnerArgs: "", target: "", options: "" },
+      },
+      {
+        command: ".venv\\Scripts\\pytest.exe",
+        args: [],
+        params: { command: ".venv\\Scripts\\pytest.exe", runnerArgs: "", target: "", options: "" },
+      },
+    ];
+
+    for (const { command, args, params } of cases) {
+      const c = cfg("pytest", { kind: "pytest", command, args, detected: true });
+      expect(pytest.paramsFrom!(c)).toEqual(params);
+      expect(formParams(c)).toEqual(params);
+      expect(pytest.commandLine(params)).toEqual({ command, args });
+      expect(withParams(c, params)).toMatchObject({ command, args });
+    }
+
+    const implicit = contextConfig("worker/test_worker.py", [])!;
+    expect(implicit).toMatchObject({
+      kind: "pytest",
+      command: "python3",
+      args: ["-m", "pytest", "worker/test_worker.py"],
+    });
+    expect(formParams(implicit)).toEqual({
+      command: "python3",
+      runnerArgs: "-m pytest",
+      target: "worker/test_worker.py",
+      options: "",
+    });
+
+    const uvPy = [cfg("py", { kind: "python", command: "uv", args: ["run", "python", "-m", "app"] })];
+    const uvImplicit = contextConfig("worker/test_worker.py", uvPy)!;
+    expect(uvImplicit).toMatchObject({
+      kind: "pytest",
+      command: "uv",
+      args: ["run", "python", "-m", "pytest", "worker/test_worker.py"],
+    });
+    expect(formParams(uvImplicit)).toEqual({
+      command: "uv",
+      runnerArgs: "run python -m pytest",
+      target: "worker/test_worker.py",
+      options: "",
+    });
+
+    expect(pytest.paramsFrom!(cfg("pytest", { kind: "pytest", command: "tox", args: [] }))).toBeNull();
+  });
+
   it("shell script files and text derive the command line", () => {
     const c = cfg("s");
     expect(
diff --git a/src/features/run/types.ts b/src/features/run/types.ts
index 98527960d..db5b01108 100644
--- a/src/features/run/types.ts
+++ b/src/features/run/types.ts
@@ -296,6 +296,75 @@ const compound: RunConfigTypeContribution = {
   commandLine: () => null,
 };
 
+/**
+ * pytest: what comes after the `pytest` invocation — a target (directory, file,
+ * test id) and options. The command itself is one word (`pytest`, `uv`,
+ * `.venv/bin/pytest`, `python`), the runner args its leading arguments
+ * (`run pytest`, `-m pytest`, none).
+ */
+const pytest: RunConfigTypeContribution = {
+  id: "pytest",
+  label: "pytest",
+  icon: "file-python",
+  description: "Run pytest tests",
+  defaults: { command: "pytest" },
+  debugAdapter: "debugpy",
+  fields: [
+    {
+      key: "command",
+      label: "Command",
+      mono: true,
+      placeholder: "pytest",
+      required: true,
+      hint: "e.g. pytest, uv, poetry, .venv/bin/pytest, python",
+    },
+    {
+      key: "runnerArgs",
+      label: "Runner arguments",
+      mono: true,
+      placeholder: "run pytest",
+      hint: "e.g. `run pytest` for uv/poetry, `-m pytest` for python; empty calls the command itself",
+    },
+    {
+      key: "target",
+      label: "Target",
+      mono: true,
+      placeholder: "tests",
+      hint: "Directory, file or test id; empty runs the whole suite",
+    },
+    { key: "options", label: "pytest options", mono: true, placeholder: "e.g. -x -q --tb=short" },
+  ],
+  commandLine(p) {
+    const args = parseArgs(p.runnerArgs ?? "");
+    if (p.target?.trim()) args.push(...parseArgs(p.target.trim()));
+    args.push(...parseArgs(p.options ?? ""));
+    return { command: p.command?.trim() || "pytest", args };
+  },
+  paramsFrom(c) {
+    if (c.kind !== "pytest") return null;
+    // The runner part (`run pytest`, `-m pytest`, none when the command is
+    // pytest itself); what follows is the target and pytest options.
+    const m = c.args.indexOf("-m");
+    const runner =
+      c.args[0] === "run" && c.args[1] === "pytest"
+        ? 2
+        : m >= 0 && c.args[m + 1] === "pytest"
+          ? m + 2
+          : baseName(c.command).replace(/\.exe$/i, "") === "pytest"
+            ? 0
+            : null;
+    if (runner === null) return null;
+    const rest = c.args.slice(runner);
+    const [target, ...options] = rest;
+    return {
+      command: c.command,
+      runnerArgs: formatArgs(c.args.slice(0, runner)),
+      target: target && !target.startsWith("-") ? formatArgs([target]) : "",
+      options: formatArgs(target && !target.startsWith("-") ? options : rest),
+    };
+  },
+};
+
 export const BUILTIN_TYPES: readonly RunConfigTypeContribution[] = [
   shell,
   program,
@@ -303,6 +372,7 @@ export const BUILTIN_TYPES: readonly RunConfigTypeContribution[] = [
   gradle,
   maven,
   godot,
+  pytest,
   applicationType,
   springBootType,
   compound,
diff --git a/src/platform/locales/text/zh.json b/src/platform/locales/text/zh.json
index 1569f5aca..e45329350 100644
--- a/src/platform/locales/text/zh.json
+++ b/src/platform/locales/text/zh.json
@@ -4747,5 +4747,13 @@
   "Cannot delete agent tasks": "无法删除 Agent 任务",
   "Cannot archive agent tasks": "无法归档 Agent 任务",
   "Archive ({count})": "归档（{count}）",
-  "Delete ({count})…": "删除（{count}）…"
+  "Delete ({count})…": "删除（{count}）…",
+  "Run pytest tests": "运行 pytest 测试",
+  "e.g. pytest, uv, poetry, .venv/bin/pytest, python": "例如 pytest、uv、poetry、.venv/bin/pytest、python",
+  "Runner arguments": "运行器实参",
+  "e.g. `run pytest` for uv/poetry, `-m pytest` for python; empty calls the command itself": "例如 uv/poetry 使用 `run pytest`，python 使用 `-m pytest`；留空则直接调用命令本身",
+  "Target": "目标",
+  "Directory, file or test id; empty runs the whole suite": "目录、文件或测试 ID；留空则运行整个测试套件",
+  "pytest options": "pytest 选项",
+  "e.g. -x -q --tb=short": "例如 -x -q --tb=short"
 }
diff --git a/src/platform/locales/textCatalog.test.ts b/src/platform/locales/textCatalog.test.ts
index 9daa99dc1..10c0ea509 100644
--- a/src/platform/locales/textCatalog.test.ts
+++ b/src/platform/locales/textCatalog.test.ts
@@ -128,6 +128,7 @@ const UNTRANSLATED = new Set<string>([
   "Spring Boot",
   "PostgreSQL",
   "Pyright",
+  "pytest",
   "Rust",
   "Rustfmt",
   "SingleStore",
@@ -195,7 +196,9 @@ const UNTRANSLATED = new Set<string>([
   "PascalCase",
   "pyproject.toml, .git",
   "ruff server",
+  "run pytest",
   "snake_case",
+  "tests",
   '{ "section": { "key": "value" } }',
   // Identifiers that only look like text: icon names, error codes, categories, console output
   "app",