From 6495fae9796677f970afa35da120f34c87c290ba Mon Sep 17 00:00:00 2001
From: YeonGyu-Kim <code.yeon.gyu@gmail.com>
Date: Fri, 5 Dec 2025 02:15:39 +0900
Subject: [PATCH] feat(mcp): add websearch_exa as built-in MCP

- Add src/mcp/ directory with websearch_exa configuration
- Configure Exa AI remote MCP (https://mcp.exa.ai/mcp)
- Export builtinMcps from plugin config
- Update documentation (EN/KO) with Built-in MCPs section
---
 README.en.md             | 5 +++++
 README.ko.md             | 5 +++++
 src/index.ts             | 5 +++++
 src/mcp/index.ts         | 5 +++++
 src/mcp/websearch-exa.ts | 5 +++++
 5 files changed, 25 insertions(+)
 create mode 100644 src/mcp/index.ts
 create mode 100644 src/mcp/websearch-exa.ts

diff --git a/README.en.md b/README.en.md
index d231f16..34039c1 100644
--- a/README.en.md
+++ b/README.en.md
@@ -13,6 +13,7 @@ English | [한국어](README.ko.md)
       - [Built-in LSP Tools](#built-in-lsp-tools)
       - [Built-in AST-Grep Tools](#built-in-ast-grep-tools)
       - [Safe Grep](#safe-grep)
+      - [Built-in MCPs](#built-in-mcps)
     - [Other Features](#other-features)
   - [Author's Note](#authors-note)
   - [Warnings](#warnings)
@@ -117,6 +118,10 @@ I believe in the right tool for the job. For your wallet's sake, use CLIProxyAPI
   - `safe_grep` enforces strict limits.
   - **Note**: Default `grep` is disabled to prevent Agent confusion. `safe_grep` delivers full `grep` functionality with safety assurance.
 
+#### Built-in MCPs
+
+- **websearch_exa**: Exa AI web search. Performs real-time web searches and content scraping. Returns LLM-optimized context from relevant websites.
+
 ### Other Features
 
 - **Terminal Title**: Auto-updates terminal title with session status (idle ○, processing ◐, tool ⚡, error ✖). Supports tmux.
diff --git a/README.ko.md b/README.ko.md
index e830f1f..aa06ef7 100644
--- a/README.ko.md
+++ b/README.ko.md
@@ -13,6 +13,7 @@
       - [내장 LSP Tools](#내장-lsp-tools)
       - [내장 AST-Grep Tools](#내장-ast-grep-tools)
       - [Safe Grep](#safe-grep)
+      - [내장 MCPs](#내장-mcps)
     - [기타 편의 기능](#기타-편의-기능)
   - [작성자의 노트](#작성자의-노트)
   - [주의](#주의)
@@ -119,6 +120,10 @@ OpenCode 는 아주 확장가능하고 아주 커스터마이저블합니다. 
   - safe_grep 은 timeout 과 더 엄격한 출력 제한을 적용합니다.
   - **주의**: 기본 grep 도구는 Agent 를 햇갈리게 하지 않기 위해 비활성화됩니다. 그러나 SafeGrep 은 Grep 이 제공하는 모든 기능을 제공합니다.
 
+#### 내장 MCPs
+
+- **websearch_exa**: Exa AI 웹 검색. 실시간 웹 검색과 콘텐츠 스크래핑을 수행합니다. 관련 웹사이트에서 LLM에 최적화된 컨텍스트를 반환합니다.
+
 ### 기타 편의 기능
 - **Terminal Title**: 세션 상태에 따라 터미널 타이틀을 자동 업데이트합니다 (유휴 ○, 처리중 ◐, 도구 ⚡, 에러 ✖). tmux를 지원합니다.
 
diff --git a/src/index.ts b/src/index.ts
index efa5d34..e2f53d3 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,6 +3,7 @@ import { builtinAgents } from "./agents"
 import { createTodoContinuationEnforcer, createContextWindowMonitorHook, createSessionRecoveryHook } from "./hooks"
 import { updateTerminalTitle } from "./features/terminal"
 import { builtinTools } from "./tools"
+import { builtinMcps } from "./mcp"
 
 const OhMyOpenCodePlugin: Plugin = async (ctx) => {
   const todoContinuationEnforcer = createTodoContinuationEnforcer(ctx)
@@ -27,6 +28,10 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
         ...config.tools,
         grep: false,
       }
+      config.mcp = {
+        ...config.mcp,
+        ...builtinMcps,
+      }
     },
 
     event: async (input) => {
diff --git a/src/mcp/index.ts b/src/mcp/index.ts
new file mode 100644
index 0000000..cef2b82
--- /dev/null
+++ b/src/mcp/index.ts
@@ -0,0 +1,5 @@
+import { websearch_exa } from "./websearch-exa"
+
+export const builtinMcps = {
+  websearch_exa,
+}
diff --git a/src/mcp/websearch-exa.ts b/src/mcp/websearch-exa.ts
new file mode 100644
index 0000000..cd55265
--- /dev/null
+++ b/src/mcp/websearch-exa.ts
@@ -0,0 +1,5 @@
+export const websearch_exa = {
+  type: "remote" as const,
+  url: "https://mcp.exa.ai/mcp?tools=web_search_exa",
+  enabled: true,
+}