111 lines
2.6 KiB
Nix
111 lines
2.6 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.services.mcpo;
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configFile = pkgs.writeText "mcpo-config.json" (builtins.toJSON cfg.settings);
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inherit (lib)
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getExe
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mkEnableOption
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mkIf
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mkOption
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types
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;
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in
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{
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options.services.mcpo = {
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enable = mkEnableOption "mcpo, an MCP-to-OpenAPI proxy server.";
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package = mkOption {
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type = types.nullOr types.package;
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description = "The package to use for mcpo. You have to specify this manually.";
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default = null;
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};
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user = mkOption {
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type = types.str;
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description = "The user the mcpo service will run as.";
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default = "mcpo";
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};
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group = mkOption {
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type = types.str;
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description = "The group the mcpo service will run as.";
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default = "mcpo";
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};
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workDir = mkOption {
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type = types.str;
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description = "The working directory for the mcpo service.";
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default = "/var/lib/mcpo";
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};
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settings = mkOption {
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type = types.attrs;
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description = "A set of attributes that will be translated into the JSON configuration file for mcpo. It follows the Claude Desktop format.";
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default = { };
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example = {
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mcpServers = {
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memory = {
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command = "npx";
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args = [
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"-y"
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"@modelcontextprotocol/server-memory"
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];
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};
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time = {
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command = "uvx";
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args = [
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"mcp-server-time"
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"--local-timezone=America/New_York"
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];
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};
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mcp_sse = {
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type = "sse";
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url = "http://127.0.0.1:8001/sse";
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headers = {
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Authorization = "Bearer token";
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X-Custom-Header = "value";
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};
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};
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mcp_streamable_http = {
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type = "streamable_http";
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url = "http://127.0.0.1:8002/mcp";
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};
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};
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.tmpfiles.rules = [
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"d ${cfg.workDir} - ${cfg.user} ${cfg.group} - -"
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];
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users.users."${cfg.user}" = {
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isSystemUser = true;
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group = cfg.group;
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};
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users.groups."${cfg.group}" = { };
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systemd.services.mcpo = {
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description = "Service for mcpo, an MCP-to-OpenAPI proxy server.";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${getExe cfg.package} --config ${configFile}";
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Restart = "on-failure";
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User = cfg.user;
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Group = cfg.group;
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WorkingDirectory = cfg.workDir;
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};
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};
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};
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}
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