diff --git a/README.md b/README.md
index 3b36e04..094d695 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ AI Agent 已经能帮你写代码、改文档、管项目——但你让它去
 |---|---|
 | 💰 **完全免费** | 所有工具开源、所有 API 免费。唯一可能花钱的是服务器代理（$1/月），本地电脑不需要 |
 | 🔒 **隐私安全** | Cookie 只存在你本地，不上传不外传。代码完全开源，随时可审查 |
-| 🔄 **持续更新** | 底层工具（yt-dlp、birdx、Jina Reader 等）定期追踪更新到最新版，你不用自己盯 |
+| 🔄 **持续更新** | 底层工具（yt-dlp、bird、Jina Reader 等）定期追踪更新到最新版，你不用自己盯 |
 | 🤖 **兼容所有 Agent** | Claude Code、OpenClaw、Cursor、Windsurf……任何能跑命令行的 Agent 都能用 |
 | 🩺 **自带诊断** | `agent-reach doctor` 一条命令告诉你哪个通、哪个不通、怎么修 |
 
@@ -130,7 +130,7 @@ Agent Reach 做的事情很简单：**帮你把这些选型和配置的活儿做
 ```
 channels/
 ├── web.py          → Jina Reader     ← 可以换成 Firecrawl、Crawl4AI……
-├── twitter.py      → birdx           ← 可以换成 Nitter、官方 API……
+├── twitter.py      → bird           ← 可以换成 Nitter、官方 API……
 ├── youtube.py      → yt-dlp           ← 可以换成 YouTube API、Whisper……
 ├── github.py       → gh CLI          ← 可以换成 REST API、PyGithub……
 ├── bilibili.py     → yt-dlp           ← 可以换成 bilibili-api……
@@ -146,7 +146,7 @@ channels/
 | 场景 | 选型 | 为什么选它 |
 |------|------|-----------|
 | 读网页 | [Jina Reader](https://github.com/jina-ai/reader) | 9.8K Star，免费，不需要 API Key |
-| 读推特 | [birdx](https://github.com/runesleo/birdx) | Cookie 登录，免费。官方 API 按量付费（读一条 $0.005） |
+| 读推特 | [bird](https://github.com/steipete/bird) | Cookie 登录，免费。官方 API 按量付费（读一条 $0.005） |
 | 视频字幕 + 搜索 | [yt-dlp](https://github.com/yt-dlp/yt-dlp) | 148K Star，YouTube + B站 + 1800 站通吃 |
 | 搜全网 | [Exa](https://exa.ai) via [mcporter](https://github.com/nicepkg/mcporter) | AI 语义搜索，MCP 接入免 Key |
 | GitHub | [gh CLI](https://cli.github.com) | 官方工具，认证后完整 API 能力 |
@@ -183,7 +183,7 @@ Star 一下，下次需要的时候能找到。⭐
 
 ## 致谢
 
-[Jina Reader](https://github.com/jina-ai/reader) · [yt-dlp](https://github.com/yt-dlp/yt-dlp) · [birdx](https://github.com/runesleo/birdx) · [Exa](https://exa.ai) · [feedparser](https://github.com/kurtmckee/feedparser)
+[Jina Reader](https://github.com/jina-ai/reader) · [yt-dlp](https://github.com/yt-dlp/yt-dlp) · [bird](https://github.com/steipete/bird) · [Exa](https://exa.ai) · [feedparser](https://github.com/kurtmckee/feedparser)
 
 ## License
 
diff --git a/agent_reach/channels/twitter.py b/agent_reach/channels/twitter.py
index 09d7ac5..0e1d9ec 100644
--- a/agent_reach/channels/twitter.py
+++ b/agent_reach/channels/twitter.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
-"""Twitter/X — via birdx CLI (free) or Jina Reader fallback.
+"""Twitter/X — via bird CLI (free) or Jina Reader fallback.
 
-Backend: birdx (https://github.com/runesleo/birdx) for search/timeline
+Backend: bird (@steipete/bird npm package) for search/timeline
          Jina Reader for single tweets
 Swap to: any Twitter access tool
 """
@@ -14,10 +14,29 @@ from typing import List
 import requests
 
 
+def _bird_cmd():
+    """Find bird CLI binary."""
+    return shutil.which("bird") or shutil.which("birdx")
+
+
+def _bird_env(config=None):
+    """Build env dict with Twitter cookies for bird CLI."""
+    import os
+    env = os.environ.copy()
+    if config:
+        auth_token = config.get("twitter_auth_token")
+        ct0 = config.get("twitter_ct0")
+        if auth_token:
+            env["AUTH_TOKEN"] = auth_token
+        if ct0:
+            env["CT0"] = ct0
+    return env
+
+
 class TwitterChannel(Channel):
     name = "twitter"
     description = "Twitter/X 推文"
-    backends = ["birdx", "Jina Reader"]
+    backends = ["bird", "Jina Reader"]
     tier = 0  # Single tweet reading is zero-config
 
     def can_handle(self, url: str) -> bool:
@@ -26,21 +45,23 @@ class TwitterChannel(Channel):
 
     def check(self, config=None):
         # Basic reading always works (Jina fallback)
-        if shutil.which("birdx"):
+        if _bird_cmd():
             return "ok", "搜索、时间线、发推全部可用"
-        return "ok", "可读取推文。安装 birdx + 配置 Cookie 可解锁搜索和发推"
+        return "ok", "可读取推文。安装 bird + 配置 Cookie 可解锁搜索和发推"
 
     async def read(self, url: str, config=None) -> ReadResult:
-        # Try birdx first
-        if shutil.which("birdx"):
-            return await self._read_birdx(url)
+        # Try bird first
+        bird = _bird_cmd()
+        if bird:
+            return await self._read_bird(url, bird, config)
         # Fallback: Jina Reader
         return await self._read_jina(url)
 
-    async def _read_birdx(self, url: str) -> ReadResult:
+    async def _read_bird(self, url: str, bird: str, config=None) -> ReadResult:
         result = subprocess.run(
-            ["birdx", "read", url],
+            [bird, "read", url],
             capture_output=True, text=True, timeout=30,
+            env=_bird_env(config),
         )
         if result.returncode != 0:
             return await self._read_jina(url)
@@ -84,7 +105,7 @@ class TwitterChannel(Channel):
                             "The tweet may have been deleted, or the account is private.\n\n"
                             "Tips:\n"
                             "- Make sure the URL is correct\n"
-                            "- Try: birdx read <url> (if birdx is installed)\n"
+                            "- Try: bird read <url> (if bird CLI is installed)\n"
                             "- For protected tweets, configure Twitter cookies: "
                             "agent-reach configure twitter-cookies AUTH_TOKEN CT0",
                     url=url,
@@ -105,7 +126,7 @@ class TwitterChannel(Channel):
                         "The tweet may have been deleted, or the account is private.\n\n"
                         "Tips:\n"
                         "- Make sure the URL is correct\n"
-                        "- Try: birdx read <url> (if birdx is installed)\n"
+                        "- Try: bird read <url> (if bird CLI is installed)\n"
                         "- For protected tweets, configure Twitter cookies: "
                         "agent-reach configure twitter-cookies AUTH_TOKEN CT0",
                 url=url,
@@ -115,27 +136,29 @@ class TwitterChannel(Channel):
     async def search(self, query: str, config=None, **kwargs) -> List[SearchResult]:
         limit = kwargs.get("limit", 10)
 
-        if shutil.which("birdx"):
-            return await self._search_birdx(query, limit)
+        bird = _bird_cmd()
+        if bird:
+            return await self._search_bird(query, limit, bird, config)
 
         # Fallback to Exa
         return await self._search_exa(query, limit, config)
 
-    async def _search_birdx(self, query: str, limit: int) -> List[SearchResult]:
+    async def _search_bird(self, query: str, limit: int, bird: str, config=None) -> List[SearchResult]:
         try:
             result = subprocess.run(
-                ["birdx", "search", query, "-n", str(limit)],
+                [bird, "search", query, "-n", str(limit)],
                 capture_output=True, text=True, timeout=30,
+                env=_bird_env(config),
             )
             if result.returncode != 0:
                 return []
 
-            return self._parse_birdx_output(result.stdout)
+            return self._parse_bird_output(result.stdout)
         except (subprocess.TimeoutExpired, FileNotFoundError):
             return []
 
-    def _parse_birdx_output(self, text: str) -> List[SearchResult]:
-        """Parse birdx text output into SearchResults."""
+    def _parse_bird_output(self, text: str) -> List[SearchResult]:
+        """Parse bird text output into SearchResults."""
         results = []
         current = {}
         text_lines = []
diff --git a/agent_reach/cli.py b/agent_reach/cli.py
index 2ef9bd9..def241b 100644
--- a/agent_reach/cli.py
+++ b/agent_reach/cli.py
@@ -305,23 +305,24 @@ def _install_system_deps():
         except Exception:
             print("  ⚠️  Node.js install failed. Try: apt install nodejs npm, or nvm install 22, or download from https://nodejs.org")
 
-    # ── birdx (for Twitter search) ──
-    if shutil.which("birdx"):
-        print("  ✅ birdx already installed")
+    # ── bird CLI (for Twitter search) ──
+    if shutil.which("bird") or shutil.which("birdx"):
+        print("  ✅ bird CLI already installed")
     else:
-        if shutil.which("pip3") or shutil.which("pip"):
-            pip_cmd = "pip3" if shutil.which("pip3") else "pip"
+        if shutil.which("npm"):
             try:
                 subprocess.run(
-                    [pip_cmd, "install", "-q", "birdx"],
+                    ["npm", "install", "-g", "@steipete/bird"],
                     capture_output=True, text=True, timeout=120,
                 )
-                if shutil.which("birdx"):
-                    print("  ✅ birdx installed (Twitter search + timeline)")
+                if shutil.which("bird"):
+                    print("  ✅ bird CLI installed (Twitter search + timeline)")
                 else:
-                    print("  ⬜ birdx install failed (optional — Twitter reading still works via Jina)")
+                    print("  ⬜ bird CLI install failed (optional — Twitter reading still works via Jina)")
             except Exception:
-                print("  ⬜ birdx install failed (optional — Twitter reading still works via Jina)")
+                print("  ⬜ bird CLI install failed (optional — Twitter reading still works via Jina)")
+        else:
+            print("  ⬜ bird CLI requires Node.js (optional — Twitter reading still works via Jina)")
 
 
 def _install_mcporter():
@@ -435,6 +436,7 @@ def _detect_environment():
 
 def _cmd_configure(args):
     """Set a config value and test it, or auto-extract from browser."""
+    import shutil
     from agent_reach.config import Config
 
     config = Config()
@@ -525,17 +527,23 @@ def _cmd_configure(args):
             print("Testing Twitter access...", end=" ")
             try:
                 import subprocess
-                result = subprocess.run(
-                    ["birdx", "search", "test", "-n", "1",
-                     "--auth-token", auth_token, "--ct0", ct0],
-                    capture_output=True, text=True, timeout=15,
-                )
-                if result.returncode == 0 and result.stdout.strip():
-                    print("✅ Twitter Advanced works!")
+                bird = shutil.which("bird") or shutil.which("birdx")
+                if not bird:
+                    print("⚠️ bird CLI not installed. Run: npm install -g @steipete/bird")
                 else:
-                    print(f"⚠️ Test returned no results (cookies might be wrong)")
-            except FileNotFoundError:
-                print("⚠️ birdx not installed. Run: pip install birdx")
+                    import os
+                    env = os.environ.copy()
+                    env["AUTH_TOKEN"] = auth_token
+                    env["CT0"] = ct0
+                    result = subprocess.run(
+                        [bird, "search", "test", "-n", "1"],
+                        capture_output=True, text=True, timeout=15,
+                        env=env,
+                    )
+                    if result.returncode == 0 and result.stdout.strip():
+                        print("✅ Twitter Advanced works!")
+                    else:
+                        print(f"⚠️ Test returned no results (cookies might be wrong)")
             except Exception as e:
                 print(f"❌ Failed: {e}")
         else:
diff --git a/agent_reach/config.py b/agent_reach/config.py
index 918b106..008214e 100644
--- a/agent_reach/config.py
+++ b/agent_reach/config.py
@@ -22,7 +22,7 @@ class Config:
     FEATURE_REQUIREMENTS = {
         "exa_search": ["exa_api_key"],
         "reddit_proxy": ["reddit_proxy"],
-        "twitter_birdx": ["twitter_auth_token", "twitter_ct0"],
+        "twitter_bird": ["twitter_auth_token", "twitter_ct0"],
         "groq_whisper": ["groq_api_key"],
         "github_token": ["github_token"],
     }
diff --git a/agent_reach/core.py b/agent_reach/core.py
index 4a42986..ac0009f 100644
--- a/agent_reach/core.py
+++ b/agent_reach/core.py
@@ -78,7 +78,7 @@ class AgentReach:
         return [r.to_dict() for r in results]
 
     async def search_twitter(self, query: str, limit: int = 10) -> List[Dict[str, Any]]:
-        """Search Twitter. Uses birdx if available, else Exa."""
+        """Search Twitter. Uses bird CLI if available, else Exa."""
         ch = get_channel("twitter")
         results = await ch.search(query, config=self.config, limit=limit)
         return [r.to_dict() for r in results]
diff --git a/agent_reach/guides/setup-twitter.md b/agent_reach/guides/setup-twitter.md
index c71bfe3..f9da9de 100644
--- a/agent_reach/guides/setup-twitter.md
+++ b/agent_reach/guides/setup-twitter.md
@@ -1,44 +1,36 @@
-# Twitter 高级功能配置指南（birdx）
+# Twitter 高级功能配置指南（bird CLI）
 
 ## 功能说明
 基础 Twitter 功能（搜索+读单条推文）无需配置，开箱即用。
 
-高级功能需要 birdx：
+高级功能需要 bird CLI：
 - 查看用户时间线
 - 深度搜索（更精确、更多结果）
 - 读取完整线程（thread）
 - 查看关注列表推文
 
-birdx 是免费开源工具，但需要你的 Twitter 账号 cookie。
+bird 是免费开源工具（npm 包 @steipete/bird），但需要你的 Twitter 账号 cookie。
 
 ## Agent 可自动完成的步骤
 
-1. 检查 birdx 是否安装：
+1. 检查 bird 是否安装：
 ```bash
-which birdx && echo "installed" || echo "not installed"
+which bird && echo "installed" || echo "not installed"
 ```
 
-2. 安装 birdx：
+2. 安装 bird：
 ```bash
-pip install birdx
+npm install -g @steipete/bird
 ```
 
-3. 检查是否已配置 cookie：
+3. 测试（需要先配置 cookie）：
 ```bash
-birdx whoami 2>&1
+AUTH_TOKEN="xxx" CT0="yyy" bird search "test" -n 1
 ```
 
-4. 如果用户提供了 cookie，配置 birdx：
+4. 用 agent-reach 配置 cookie（推荐）：
 ```bash
-# birdx 的 cookie 配置文件位置
-# 通常在 ~/.birdx/cookies.json 或通过环境变量
-export TWITTER_AUTH_TOKEN="用户提供的auth_token"
-export TWITTER_CT0="用户提供的ct0"
-```
-
-5. 测试：
-```bash
-birdx search "test" -n 1
+agent-reach configure twitter-cookies "auth_token=xxx; ct0=yyy"
 ```
 
 ## 需要用户手动做的步骤
@@ -47,7 +39,13 @@ birdx search "test" -n 1
 
 > Twitter 高级功能需要你的 Twitter 账号 cookie（完全免费）。
 >
-> 步骤：
+> **最简单的方式：**
+> 1. 安装 Chrome 插件 [Cookie-Editor](https://chromewebstore.google.com/detail/cookie-editor/hlkenndednhfkekhgcdicdfddnkalmdm)
+> 2. 打开 https://x.com 并确保已登录
+> 3. 点击 Cookie-Editor 插件图标 → Export → Header String
+> 4. 把导出的内容发给我
+>
+> **手动方式：**
 > 1. 用 Chrome 打开 https://x.com 并确保你已登录
 > 2. 按 **F12** 打开开发者工具（Mac 按 Cmd+Option+I）
 > 3. 点击顶部的 **Application**（应用）标签
@@ -62,8 +60,8 @@ birdx search "test" -n 1
 
 ## Agent 收到 cookie 后的操作
 
-1. 安装 birdx（如果没装）：`pip install birdx`
-2. 配置 cookie：写入 birdx 配置
-3. 测试：`birdx whoami` 确认身份
-4. 反馈："✅ Twitter 高级功能已开启！你的账号是 @xxx。现在我可以查看时间线、读取线程了。"
+1. 安装 bird（如果没装）：`npm install -g @steipete/bird`
+2. 配置 cookie：`agent-reach configure twitter-cookies "粘贴的内容"`
+3. 测试：运行 `agent-reach doctor` 确认 Twitter 状态
+4. 反馈："✅ Twitter 高级功能已开启！现在可以搜索推文、查看时间线了。"
 5. 如果失败："❌ Cookie 无效或已过期，请重新导出。"
diff --git a/docs/README_en.md b/docs/README_en.md
index 1a708e0..5a73af4 100644
--- a/docs/README_en.md
+++ b/docs/README_en.md
@@ -45,7 +45,7 @@ Copy that to your Agent. A few minutes later, it can read tweets, search Reddit,
 |---|---|
 | 💰 **Completely free** | All tools are open source, all APIs are free. The only possible cost is a server proxy ($1/month) — local computers don't need one |
 | 🔒 **Privacy safe** | Cookies stay local. Never uploaded. Fully open source — audit anytime |
-| 🔄 **Kept up to date** | Upstream tools (yt-dlp, birdx, Jina Reader, etc.) are tracked and updated regularly |
+| 🔄 **Kept up to date** | Upstream tools (yt-dlp, bird, Jina Reader, etc.) are tracked and updated regularly |
 | 🤖 **Works with any Agent** | Claude Code, OpenClaw, Cursor, Windsurf… any Agent that can run commands |
 | 🩺 **Built-in diagnostics** | `agent-reach doctor` — one command shows what works, what doesn't, and how to fix it |
 
@@ -56,7 +56,7 @@ Copy that to your Agent. A few minutes later, it can read tweets, search Reddit,
 | Platform | Capabilities | Setup | Notes |
 |----------|-------------|:-----:|-------|
 | 🌐 **Web** | Read | Zero config | Any URL → clean Markdown ([Jina Reader](https://github.com/jina-ai/reader) ⭐9.8K) |
-| 🐦 **Twitter/X** | Read · Search | Zero config / Cookie | Single tweets readable out of the box. Cookie unlocks search, timeline, posting ([birdx](https://github.com/runesleo/birdx)) |
+| 🐦 **Twitter/X** | Read · Search | Zero config / Cookie | Single tweets readable out of the box. Cookie unlocks search, timeline, posting ([bird](https://github.com/steipete/bird)) |
 | 📕 **XiaoHongShu** | Read · Search · **Post · Comment · Like** | mcporter | Via [xiaohongshu-mcp](https://github.com/user/xiaohongshu-mcp) internal API, install and go |
 | 🔍 **Web Search** | Search | Auto-configured | Auto-configured during install, free, no API key ([Exa](https://exa.ai) via [mcporter](https://github.com/nicepkg/mcporter)) |
 | 📦 **GitHub** | Read · Search | Zero config | [gh CLI](https://cli.github.com) powered. Public repos work immediately. `gh auth login` unlocks Fork, Issue, PR |
@@ -164,7 +164,7 @@ Each platform is a single Python file implementing a unified interface. **Backen
 ```
 channels/
 ├── web.py          → Jina Reader     ← swap to Firecrawl, Crawl4AI…
-├── twitter.py      → birdx           ← swap to Nitter, official API…
+├── twitter.py      → bird           ← swap to Nitter, official API…
 ├── youtube.py      → yt-dlp           ← swap to YouTube API, Whisper…
 ├── github.py       → gh CLI          ← swap to REST API, PyGithub…
 ├── bilibili.py     → yt-dlp           ← swap to bilibili-api…
@@ -180,7 +180,7 @@ channels/
 | Scenario | Tool | Why |
 |----------|------|-----|
 | Read web pages | [Jina Reader](https://github.com/jina-ai/reader) | 9.8K stars, free, no API key needed |
-| Read tweets | [birdx](https://github.com/runesleo/birdx) | Cookie auth, free. Official API is pay-per-use ($0.005/post read) |
+| Read tweets | [bird](https://github.com/steipete/bird) | Cookie auth, free. Official API is pay-per-use ($0.005/post read) |
 | Video subtitles + search | [yt-dlp](https://github.com/yt-dlp/yt-dlp) | 148K stars, YouTube + Bilibili + 1800 sites |
 | Search the web | [Exa](https://exa.ai) via [mcporter](https://github.com/nicepkg/mcporter) | AI semantic search, MCP integration, no API key |
 | GitHub | [gh CLI](https://cli.github.com) | Official tool, full API after auth |
@@ -203,7 +203,7 @@ This project was entirely vibe-coded 🎸 There might be rough edges here and th
 
 ## Credits
 
-[Jina Reader](https://github.com/jina-ai/reader) · [yt-dlp](https://github.com/yt-dlp/yt-dlp) · [birdx](https://github.com/runesleo/birdx) · [Exa](https://exa.ai) · [feedparser](https://github.com/kurtmckee/feedparser)
+[Jina Reader](https://github.com/jina-ai/reader) · [yt-dlp](https://github.com/yt-dlp/yt-dlp) · [bird](https://github.com/steipete/bird) · [Exa](https://exa.ai) · [feedparser](https://github.com/kurtmckee/feedparser)
 
 ## License
 
diff --git a/docs/install.md b/docs/install.md
index 4a6844f..787b8a8 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -23,7 +23,7 @@ pip install https://github.com/Panniantong/agent-reach/archive/main.zip
 agent-reach install --env=auto
 ```
 
-This auto-installs system dependencies (gh CLI, Node.js, mcporter, birdx), configures Exa search, detects environment, and tests all channels.
+This auto-installs system dependencies (gh CLI, Node.js, mcporter, bird), configures Exa search, detects environment, and tests all channels.
 
 **Read the output carefully**, then run: