Jinal-Sarvaiya commented on code in PR #149:
URL: https://github.com/apache/camel-kit/pull/149#discussion_r4512353398


##########
kit/camel-kit-core/src/main/java/org/apache/camel/kit/generator/OpenCodeGenerator.java:
##########
@@ -30,22 +49,220 @@ public void generate(InitContext ctx) throws Exception {
         Map<String, Object> data = new HashMap<>(
                 Map.of(
                         "COMMAND_PREFIX", ctx.commandPrefix()));
-        // AGENTS.md already generated by the shared generator flow.
+
+        McpInventory inventory = readMcpInventory(ctx);
+        Set<String> seen = new LinkedHashSet<>();
+        boolean collisionDetected = false;
+        StringBuilder denials = new StringBuilder();
+        for (String server : inventory.servers) {
+            if (SUBSTITUTION_PATTERN.matcher(server).find()) {
+                inventory = new McpInventory(inventory.servers, true);
+                continue;
+            }
+            String normalized = normalizeServerName(server);
+            if (BUILTIN_PERMISSION_PREFIXES.contains(normalized)) {
+                collisionDetected = true;
+            } else if (seen.add(normalized)) {
+                denials.append("  ").append(normalized).append("_*: deny\n");
+            }
+        }
+        data.put("MCP_TOOL_DENIALS", denials.toString());
 
         // OpenCode-specific: generate agent definitions
-        generateAgents(ctx, data);
+        generateAgents(ctx, data, !collisionDetected && 
!inventory.hasUnresolvedSubstitution);
+    }
+
+    static String normalizeServerName(String name) {
+        StringBuilder sb = new StringBuilder(name.length());
+        for (int i = 0; i < name.length(); i++) {
+            char c = name.charAt(i);
+            sb.append(isAsciiAlphanumericOrHyphen(c) ? c : '_');
+        }
+        return sb.toString();
+    }
+
+    private static boolean isAsciiAlphanumericOrHyphen(char c) {
+        return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' 
&& c <= '9') || c == '-';
+    }
+
+    record McpInventory(List<String> servers, boolean 
hasUnresolvedSubstitution) {
+    }
+
+    private McpInventory readMcpInventory(InitContext ctx) throws IOException {
+        Set<String> names = new LinkedHashSet<>();
+        boolean hasSubstitution = false;
+        for (Path configFile : 
OpenCodeProjectConfig.existingFiles(ctx.projectDir())) {
+            hasSubstitution |= 
collectFromFileWithSubstitutionCheck(configFile, names);
+        }
+        for (Path ancestorFile : ancestorConfigFiles(ctx.projectDir())) {
+            hasSubstitution |= 
collectFromFileWithSubstitutionCheck(ancestorFile, names);
+        }
+        for (Path globalFile : globalConfigFiles()) {
+            hasSubstitution |= 
collectFromFileWithSubstitutionCheck(globalFile, names);
+        }
+        hasSubstitution |= 
collectFromDirWithSubstitutionCheck(customConfigDir(), names);
+        hasSubstitution |= 
collectFromDirWithSubstitutionCheck(managedConfigDir(), names);
+        Path explicitConfig = explicitConfigFile();
+        if (explicitConfig != null) {
+            hasSubstitution |= 
collectFromFileWithSubstitutionCheck(explicitConfig, names);
+        }
+        String inlineContent = inlineConfigContent();
+        if (inlineContent != null && !inlineContent.isBlank()) {
+            if (SUBSTITUTION_PATTERN.matcher(inlineContent).find()) {
+                hasSubstitution = true;
+            }
+            collectMcpServersFromContent(inlineContent, names);
+        }
+        return new McpInventory(List.copyOf(names), hasSubstitution);
+    }
+
+    private static boolean collectFromFileWithSubstitutionCheck(Path 
configFile, Set<String> names)
+            throws IOException {
+        String rawContent = Files.readString(configFile);
+        if (rawContent.startsWith("\uFEFF")) {
+            rawContent = rawContent.substring(1);
+        }
+        boolean hasSubstitution = 
SUBSTITUTION_PATTERN.matcher(rawContent).find();
+        collectMcpServersFromContent(rawContent, names);

Review Comment:
   Fixed in <sha>. Raw config text containing an {env:…} or {file:…} 
substitution is no longer parsed. It marks the MCP inventory as unbounded, 
which removes the worker. 



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