chore(ai/mcp): remove deprecated server configurations

Remove sequential-thinking and octocode server definitions.
These capabilities are either integrated into modern REPL
environments or superseded by alternatives like ultrathink.

Author: DivitMittal

home/ai/mcp.nix

@@ -10,10 +10,6 @@
   programs.mcp = {
     enable = true;
     servers = {
-      sequential-thinking = {
-        command = "${pkgs.pnpm}/bin/pnpm";
-        args = ["dlx" "@modelcontextprotocol/server-sequential-thinking"];
-      };
       deepwiki = {
         url = "https://mcp.deepwiki.com/mcp";
       };
@@ -25,14 +21,22 @@
         command = "${pkgs.pnpm}/bin/pnpm";
         args = ["dlx" "exa-mcp-server"];
       };
+      ### Capabilities already enabled in modern repl environments
       # filesystem = {
       #   command = "${pkgs.pnpm}/bin/pnpm";
       #   args = ["dlx" "@modelcontextprotocol/server-filesystem"];
       # };
+      ## ultrathink
+      # sequential-thinking = {
+      #   command = "${pkgs.pnpm}/bin/pnpm";
+      #   args = ["dlx" "@modelcontextprotocol/server-sequential-thinking"];
+      # };
+      ## beads
       # memory = {
       #   command = "${pkgs.pnpm}/bin/pnpm";
       #   args = ["dlx" "@modelcontextprotocol/server-memory"];
       # };
+      ## Capabilities that require domain-specific setup to save context
       # playwright = {
       #   command = "${pkgs.pnpm}/bin/pnpm";
       #   args = ["dlx" "@playwright/mcp"];

home/ai/repl/claude/mcp.nix

@@ -2,12 +2,6 @@
   pnpmCommand = "${pkgs.pnpm}/bin/pnpm";
 in {
   programs.claude-code.mcpServers = {
-    ## Use `ultrathink` instead
-    # sequential-thinking = {
-    #   type = "stdio";
-    #   command = pnpmCommand;
-    #   args = ["dlx" "@modelcontextprotocol/server-sequential-thinking"];
-    # };
     deepwiki = {
       type = "http";
       url = "https://mcp.deepwiki.com/mcp";

home/ai/repl/copilot/mcp.nix

@@ -11,11 +11,6 @@ in {
       type = "http";
       url = "https://mcp.deepwiki.com/mcp";
     };
-    # octocode = {
-    #   type = "local";
-    #   command = pnpmCommand;
-    #   args = ["dlx" "octocode-mcp@latest"];
-    # };
     exa = {
       type = "local";
       command = pnpmCommand;