Track bundled vendor runtime sources

vendor/Agent-Reach/agent_reach/channels/exa_search.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+"""Exa Search — check if mcporter + Exa MCP is available."""
+
+from agent_reach.probe import probe_command
+
+from .base import Channel
+
+#: mcporter 是 npm 包，断链处方与默认的 pipx/uv 不同
+_MCPORTER_BROKEN_HINT = "mcporter 无法执行（node 环境损坏），重装：\n  npm install -g mcporter"
+
+
+class ExaSearchChannel(Channel):
+    name = "exa_search"
+    description = "全网语义搜索"
+    backends = ["Exa via mcporter"]
+    tier = 0
+
+    def can_handle(self, url: str) -> bool:
+        return False  # Search-only channel
+
+    def check(self, config=None):
+        self.active_backend = None
+        probe = probe_command("mcporter", ["config", "list"], timeout=10, package="mcporter")
+        if probe.status == "missing":
+            return "off", (
+                "需要 mcporter + Exa MCP。安装：\n"
+                "  npm install -g mcporter\n"
+                "  mcporter config add exa https://mcp.exa.ai/mcp"
+            )
+        if probe.status == "broken":
+            return "error", _MCPORTER_BROKEN_HINT
+        if not probe.ok:  # timeout / error
+            return "error", f"mcporter 执行异常：{probe.hint or probe.output or probe.status}"
+        if "exa" in probe.output.lower():
+            self.active_backend = self.backends[0]
+            return "ok", "全网语义搜索可用（免费，无需 API Key）"
+        return "off", (
+            "mcporter 已装但 Exa 未配置。运行：\n"
+            "  mcporter config add exa https://mcp.exa.ai/mcp"
+        )