diff --git a/agents/opencode.ts b/agents/opencode.ts
index eb242fc..292d52d 100644
--- a/agents/opencode.ts
+++ b/agents/opencode.ts
@@ -1,4 +1,4 @@
-import { mkdirSync, writeFileSync } from "node:fs";
+import { existsSync, mkdirSync, readFileSync, writeFileSync } from "node:fs";
 
 import { join } from "node:path";
 import { log } from "../utils/cli.ts";
@@ -42,9 +42,17 @@ export const opencode = agent({
     // 6. set up environment
     setupProcessAgentEnv({ HOME: tempHome });
 
+    // DEBUG: log original process.env values before building env
+    log.startGroup("🔍 DEBUG: Environment analysis");
+    log.info(`Original process.env.HOME: ${process.env.HOME}`);
+    log.info(`Original process.env.XDG_CONFIG_HOME: ${process.env.XDG_CONFIG_HOME || "(not set)"}`);
+    log.info(`Target tempHome: ${tempHome}`);
+
     // build env vars: start with process.env (includes all API_KEY vars loaded by config())
     // exclude GITHUB_TOKEN - OpenCode should use MCP server for GitHub operations, not direct token
-    // then override with apiKeys and HOME
+    // then override with apiKeys, HOME, and XDG_CONFIG_HOME
+    // XDG_CONFIG_HOME must be set because GitHub Actions sets it to a different path,
+    // and OpenCode follows XDG spec (checks XDG_CONFIG_HOME before falling back to $HOME/.config)
     const env: Record<string, string> = {
       ...(Object.fromEntries(
         Object.entries(process.env).filter(
@@ -52,6 +60,7 @@ export const opencode = agent({
         )
       ) as Record<string, string>),
       HOME: tempHome,
+      XDG_CONFIG_HOME: join(tempHome, ".config"),
     };
 
     // add/override API keys from apiKeys object (uppercase keys)
@@ -59,19 +68,52 @@ export const opencode = agent({
       env[key.toUpperCase()] = value;
     }
 
+    // DEBUG: verify env overrides worked
+    log.info(`Final env.HOME: ${env.HOME}`);
+    log.info(`Final env.XDG_CONFIG_HOME: ${env.XDG_CONFIG_HOME}`);
+
+    // DEBUG: verify config file exists and log its contents
+    const configPath = join(env.HOME!, ".config", "opencode", "opencode.json");
+    const configExists = existsSync(configPath);
+    log.info(`Config path: ${configPath}`);
+    log.info(`Config file exists: ${configExists}`);
+    if (configExists) {
+      const configContents = readFileSync(configPath, "utf-8");
+      log.info(`Config file contents:\n${configContents}`);
+    }
+
+    // DEBUG: check for alternative config locations OpenCode might use
+    const altConfigPaths = [
+      join(env.HOME!, ".opencode", "config.json"),
+      join(env.HOME!, ".opencode.json"),
+      join(process.cwd(), ".opencode.json"),
+      join(process.cwd(), ".opencode", "config.json"),
+    ];
+    for (const altPath of altConfigPaths) {
+      if (existsSync(altPath)) {
+        log.info(`⚠️  Alternative config found at: ${altPath}`);
+      }
+    }
+
+    // DEBUG: test MCP server connectivity
+    const mcpUrl = "http://127.0.0.1:3764/mcp";
+    try {
+      const response = await fetch(mcpUrl, { method: "GET" });
+      log.info(`MCP server reachable: ${response.ok} (status: ${response.status})`);
+    } catch (error) {
+      log.warning(
+        `MCP server NOT reachable: ${error instanceof Error ? error.message : String(error)}`
+      );
+    }
+
+    log.endGroup();
+
     // run OpenCode in the repository directory (process.cwd() is set to GITHUB_WORKSPACE or repo dir)
     const repoDir = process.cwd();
 
     log.info(`🚀 Starting OpenCode CLI: ${cliPath} ${args.join(" ")}`);
     log.info(`📁 Working directory: ${repoDir}`);
-    log.info(`🏠 HOME env var: ${env.HOME}`);
-    log.info(`📋 Config directory: ${join(env.HOME!, ".config", "opencode")}`);
 
-    // log key env vars (not values for security)
-    const envKeys = Object.keys(env).filter(
-      (k) => !k.includes("KEY") && !k.includes("TOKEN") && !k.includes("SECRET")
-    );
-    log.info(`🔑 Environment keys (non-sensitive): ${envKeys.join(", ")}`);
     const startTime = Date.now();
     let lastActivityTime = startTime;
     let eventCount = 0;
diff --git a/entry b/entry
index 74c8a85..e7ad3cb 100755
--- a/entry
+++ b/entry
@@ -91248,7 +91248,7 @@ function configureGeminiMcpServers({ mcpServers, cliPath }) {
 }
 
 // agents/opencode.ts
-import { mkdirSync as mkdirSync4, writeFileSync as writeFileSync3 } from "node:fs";
+import { existsSync as existsSync3, mkdirSync as mkdirSync4, readFileSync as readFileSync2, writeFileSync as writeFileSync3 } from "node:fs";
 import { join as join7 } from "node:path";
 var opencode = agent({
   name: "opencode",
@@ -91272,26 +91272,57 @@ var opencode = agent({
       log.info("\u{1F512} sandbox mode enabled: restricting to read-only operations");
     }
     setupProcessAgentEnv({ HOME: tempHome });
+    log.startGroup("\u{1F50D} DEBUG: Environment analysis");
+    log.info(`Original process.env.HOME: ${process.env.HOME}`);
+    log.info(`Original process.env.XDG_CONFIG_HOME: ${process.env.XDG_CONFIG_HOME || "(not set)"}`);
+    log.info(`Target tempHome: ${tempHome}`);
     const env3 = {
       ...Object.fromEntries(
         Object.entries(process.env).filter(
           ([key, value2]) => value2 !== void 0 && key !== "GITHUB_TOKEN"
         )
       ),
-      HOME: tempHome
+      HOME: tempHome,
+      XDG_CONFIG_HOME: join7(tempHome, ".config")
     };
     for (const [key, value2] of Object.entries(apiKeys || {})) {
       env3[key.toUpperCase()] = value2;
     }
+    log.info(`Final env.HOME: ${env3.HOME}`);
+    log.info(`Final env.XDG_CONFIG_HOME: ${env3.XDG_CONFIG_HOME}`);
+    const configPath = join7(env3.HOME, ".config", "opencode", "opencode.json");
+    const configExists = existsSync3(configPath);
+    log.info(`Config path: ${configPath}`);
+    log.info(`Config file exists: ${configExists}`);
+    if (configExists) {
+      const configContents = readFileSync2(configPath, "utf-8");
+      log.info(`Config file contents:
+${configContents}`);
+    }
+    const altConfigPaths = [
+      join7(env3.HOME, ".opencode", "config.json"),
+      join7(env3.HOME, ".opencode.json"),
+      join7(process.cwd(), ".opencode.json"),
+      join7(process.cwd(), ".opencode", "config.json")
+    ];
+    for (const altPath of altConfigPaths) {
+      if (existsSync3(altPath)) {
+        log.info(`\u26A0\uFE0F  Alternative config found at: ${altPath}`);
+      }
+    }
+    const mcpUrl = "http://127.0.0.1:3764/mcp";
+    try {
+      const response = await fetch(mcpUrl, { method: "GET" });
+      log.info(`MCP server reachable: ${response.ok} (status: ${response.status})`);
+    } catch (error42) {
+      log.warning(
+        `MCP server NOT reachable: ${error42 instanceof Error ? error42.message : String(error42)}`
+      );
+    }
+    log.endGroup();
     const repoDir = process.cwd();
     log.info(`\u{1F680} Starting OpenCode CLI: ${cliPath} ${args3.join(" ")}`);
     log.info(`\u{1F4C1} Working directory: ${repoDir}`);
-    log.info(`\u{1F3E0} HOME env var: ${env3.HOME}`);
-    log.info(`\u{1F4CB} Config directory: ${join7(env3.HOME, ".config", "opencode")}`);
-    const envKeys = Object.keys(env3).filter(
-      (k) => !k.includes("KEY") && !k.includes("TOKEN") && !k.includes("SECRET")
-    );
-    log.info(`\u{1F511} Environment keys (non-sensitive): ${envKeys.join(", ")}`);
     const startTime = Date.now();
     let lastActivityTime = startTime;
     let eventCount = 0;
@@ -125049,7 +125080,7 @@ async function startMcpHttpServer(ctx) {
 }
 
 // prep/installNodeDependencies.ts
-import { existsSync as existsSync3 } from "node:fs";
+import { existsSync as existsSync4 } from "node:fs";
 import { join as join9 } from "node:path";
 
 // ../node_modules/.pnpm/package-manager-detector@1.6.0/node_modules/package-manager-detector/dist/commands.mjs
@@ -125383,7 +125414,7 @@ var installNodeDependencies = {
   name: "installNodeDependencies",
   shouldRun: () => {
     const packageJsonPath = join9(process.cwd(), "package.json");
-    return existsSync3(packageJsonPath);
+    return existsSync4(packageJsonPath);
   },
   run: async () => {
     const detected = await detect({ cwd: process.cwd() });
@@ -125443,7 +125474,7 @@ var installNodeDependencies = {
 };
 
 // prep/installPythonDependencies.ts
-import { existsSync as existsSync4 } from "node:fs";
+import { existsSync as existsSync5 } from "node:fs";
 import { join as join10 } from "node:path";
 var PYTHON_CONFIGS = [
   {
@@ -125516,11 +125547,11 @@ var installPythonDependencies = {
       return false;
     }
     const cwd2 = process.cwd();
-    return PYTHON_CONFIGS.some((config3) => existsSync4(join10(cwd2, config3.file)));
+    return PYTHON_CONFIGS.some((config3) => existsSync5(join10(cwd2, config3.file)));
   },
   run: async () => {
     const cwd2 = process.cwd();
-    const config3 = PYTHON_CONFIGS.find((c) => existsSync4(join10(cwd2, c.file)));
+    const config3 = PYTHON_CONFIGS.find((c) => existsSync5(join10(cwd2, c.file)));
     if (!config3) {
       return {
         language: "python",
diff --git a/fixtures/basic.txt b/fixtures/basic.txt
index dd6429e..d110ef1 100644
--- a/fixtures/basic.txt
+++ b/fixtures/basic.txt
@@ -1 +1 @@
-review this https://github.com/pullfrog/colinhacks/pull/5
\ No newline at end of file
+inspect your MCP servers, log them all, and call a tool as a test
\ No newline at end of file