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vscode: add mcp module integration

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Thierry Delafontaine 2025-10-27 12:15:04 +01:00 • committed by Austin Horstman
parent c740351870
commit 9ff9a94fd4
7 changed files with 278 additions and 4 deletions
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70
modules/programs/vscode/default.nix
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@ -114,6 +114,33 @@ let
isPath = p: builtins.isPath p || lib.isStorePath p;
transformMcpServerForVscode =
name: server:
let
# Remove the disabled field from the server config
cleanServer = lib.filterAttrs (n: v: n != "disabled") server;
in
{
name = name;
value = {
enabled = !(server.disabled or false);
}
// (
if server ? url then
{
type = "http";
}
// cleanServer
else if server ? command then
{
type = "stdio";
}
// cleanServer
else
{ }
);
};
profileType = types.submodule {
options = {
userSettings = mkOption {
@ -154,6 +181,20 @@ let
'';
};
enableMcpIntegration = mkOption {
type = lib.types.bool;
default = false;
description = ''
Whether to integrate the MCP servers config from
{option}`programs.mcp.servers` into
{option}`programs.vscode.profiles.<name>.userMcp`.
Note: Settings defined in {option}`programs.mcp.servers` are merged
with {option}`programs.vscode.profiles.<name>.userMcp`, with VSCode
settings taking precedence.
'';
};
userMcp = mkOption {
type = types.either types.path jsonFormat.type;
default = { };
@ -459,10 +500,31 @@ in
if isPath v.userTasks then v.userTasks else jsonFormat.generate "vscode-user-tasks" v.userTasks;
})
(mkIf (v.userMcp != { }) {
"${mcpFilePath n}".source =
if isPath v.userMcp then v.userMcp else jsonFormat.generate "vscode-user-mcp" v.userMcp;
})
(mkIf
(
v.userMcp != { }
|| (v.enableMcpIntegration && config.programs.mcp.enable && config.programs.mcp.servers != { })
)
{
"${mcpFilePath n}".source =
if isPath v.userMcp then
v.userMcp
else
let
transformedMcpServers =
if v.enableMcpIntegration && config.programs.mcp.enable && config.programs.mcp.servers != { } then
lib.listToAttrs (lib.mapAttrsToList transformMcpServerForVscode config.programs.mcp.servers)
else
{ };
# Merge MCP servers: transformed servers + user servers, with user servers taking precedence
mergedServers = transformedMcpServers // ((v.userMcp.servers or { }));
# Merge all MCP config
mergedMcpConfig =
v.userMcp // (lib.optionalAttrs (mergedServers != { }) { servers = mergedServers; });
in
jsonFormat.generate "vscode-user-mcp" mergedMcpConfig;
}
)
(mkIf (v.keybindings != [ ]) {
"${keybindingsFilePath n}".source =