diff --git a/.eslintrc b/.eslintrc
index e23136179..3b7c142ab 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -24,7 +24,8 @@
         "@typescript-eslint/no-unsafe-assignment": "warn",
         "@typescript-eslint/no-explicit-any": "warn",
         "@typescript-eslint/no-loss-of-precision": "warn",
-        "no-case-declarations": "warn"
+        "no-case-declarations": "warn",
+        "no-mixed-spaces-and-tabs": "warn"
     },
     "parser": "@typescript-eslint/parser",
     "parserOptions": {
diff --git a/src/controllers/api/getGuildDojoController.ts b/src/controllers/api/getGuildDojoController.ts
index cf60ed136..a220bb7e1 100644
--- a/src/controllers/api/getGuildDojoController.ts
+++ b/src/controllers/api/getGuildDojoController.ts
@@ -1,7 +1,7 @@
 import { RequestHandler } from "express";
 import { Types } from "mongoose";
 import { Guild } from "@/src/models/guildModel";
-import { IDojoClient } from "@/src/types/guildTypes";
+import { IDojoClient, IDojoComponentClient } from "@/src/types/guildTypes";
 import { toOid, toMongoDate } from "@/src/helpers/inventoryHelpers";
 
 export const getGuildDojoController: RequestHandler = async (req, res) => {
@@ -39,13 +39,21 @@ export const getGuildDojoController: RequestHandler = async (req, res) => {
         DojoComponents: []
     };
     guild.DojoComponents.forEach(dojoComponent => {
-        dojo.DojoComponents.push({
+        const clientComponent: IDojoComponentClient = {
             id: toOid(dojoComponent._id),
             pf: dojoComponent.pf,
             ppf: dojoComponent.ppf,
-            CompletionTime: toMongoDate(dojoComponent.CompletionTime),
             DecoCapacity: 600
-        });
+        };
+        if (dojoComponent.pi) {
+            clientComponent.pi = toOid(dojoComponent.pi);
+            clientComponent.op = dojoComponent.op!;
+            clientComponent.pp = dojoComponent.pp!;
+        }
+        if (dojoComponent.CompletionTime) {
+            clientComponent.CompletionTime = toMongoDate(dojoComponent.CompletionTime);
+        }
+        dojo.DojoComponents.push(clientComponent);
     });
     res.json(dojo);
 };
diff --git a/src/controllers/api/startDojoRecipeController.ts b/src/controllers/api/startDojoRecipeController.ts
new file mode 100644
index 000000000..8b4104ac2
--- /dev/null
+++ b/src/controllers/api/startDojoRecipeController.ts
@@ -0,0 +1,28 @@
+import { RequestHandler } from "express";
+import { IDojoComponentClient } from "@/src/types/guildTypes";
+import { getGuildForRequest } from "@/src/services/guildService";
+import { Types } from "mongoose";
+
+interface IStartDojoRecipeRequest {
+    PlacedComponent: IDojoComponentClient;
+    Revision: number;
+}
+
+export const startDojoRecipeController: RequestHandler = async (req, res) => {
+    const guild = await getGuildForRequest(req);
+    // At this point, we know that a member of the guild is making this request. Assuming they are allowed to start a build.
+    const request = JSON.parse(req.body.toString()) as IStartDojoRecipeRequest;
+    guild.DojoComponents!.push({
+        _id: new Types.ObjectId(),
+        pf: request.PlacedComponent.pf,
+        ppf: request.PlacedComponent.ppf,
+        pi: new Types.ObjectId(request.PlacedComponent.pi!.$oid),
+        op: request.PlacedComponent.op,
+        pp: request.PlacedComponent.pp,
+        CompletionTime: new Date(Date.now()) // TOOD: Omit this field & handle the "Collecting Materials" state.
+    });
+    await guild.save();
+    res.json({
+        DojoRequestStatus: 0
+    });
+};
diff --git a/src/models/guildModel.ts b/src/models/guildModel.ts
index 157007a0c..b83a7d429 100644
--- a/src/models/guildModel.ts
+++ b/src/models/guildModel.ts
@@ -4,6 +4,9 @@ import { model, Schema } from "mongoose";
 const dojoComponentSchema = new Schema<IDojoComponentDatabase>({
     pf: { type: String, required: true },
     ppf: String,
+    pi: Schema.Types.ObjectId,
+    op: String,
+    pp: String,
     CompletionTime: Date
 });
 
diff --git a/src/routes/api.ts b/src/routes/api.ts
index fc1a1ee24..bc8066be1 100644
--- a/src/routes/api.ts
+++ b/src/routes/api.ts
@@ -53,6 +53,7 @@ import { guildTechController } from "../controllers/api/guildTechController";
 import { dojoController } from "@/src/controllers/api/dojoController";
 import { getGuildDojoController } from "@/src/controllers/api/getGuildDojoController";
 import { syndicateSacrificeController } from "../controllers/api/syndicateSacrificeController";
+import { startDojoRecipeController } from "@/src/controllers/api/startDojoRecipeController";
 
 const apiRouter = express.Router();
 
@@ -116,5 +117,6 @@ apiRouter.post("/sell.php", sellController);
 apiRouter.post("/upgrades.php", upgradesController);
 apiRouter.post("/guildTech.php", guildTechController);
 apiRouter.post("/syndicateSacrifice.php", syndicateSacrificeController);
+apiRouter.post("/startDojoRecipe.php", startDojoRecipeController);
 
 export { apiRouter };
diff --git a/src/services/guildService.ts b/src/services/guildService.ts
new file mode 100644
index 000000000..35b697fcc
--- /dev/null
+++ b/src/services/guildService.ts
@@ -0,0 +1,18 @@
+import { Request } from "express";
+import { getAccountIdForRequest } from "@/src/services/loginService";
+import { getInventory } from "@/src/services/inventoryService";
+import { Guild } from "@/src/models/guildModel";
+
+export const getGuildForRequest = async (req: Request) => {
+    const accountId = await getAccountIdForRequest(req);
+    const inventory = await getInventory(accountId);
+    const guildId = req.query.guildId as string;
+    if (!inventory.GuildId || inventory.GuildId.toString() != guildId) {
+        throw new Error("Account is not in the guild that it has sent a request for");
+    }
+    const guild = await Guild.findOne({ _id: guildId });
+    if (!guild) {
+        throw new Error("Account thinks it is a in guild that doesn't exist");
+    }
+    return guild;
+};
diff --git a/src/types/guildTypes.ts b/src/types/guildTypes.ts
index c969db6a4..fcf347131 100644
--- a/src/types/guildTypes.ts
+++ b/src/types/guildTypes.ts
@@ -1,5 +1,6 @@
 import { Types } from "mongoose";
 import { IOid, IMongoDate } from "@/src/types/commonTypes";
+import { IMiscItem } from "@/src/types/inventoryTypes/inventoryTypes";
 
 export interface IGuild {
     Name: string;
@@ -31,13 +32,18 @@ export interface IDojoComponentClient {
     id: IOid;
     pf: string;
     ppf: string;
-    CompletionTime: IMongoDate;
-    DecoCapacity: number;
+    pi?: IOid; // Parent ID. N/A to root.
+    op?: string; // "Open Portal"? N/A to root.
+    pp?: string; // "Parent Portal"? N/A to root.
+    RegularCredits?: number; // "Collecting Materials" state: Number of credits that were donated.
+    MiscItems?: IMiscItem[]; // "Collecting Materials" state: Resources that were donated.
+    CompletionTime?: IMongoDate;
+    DecoCapacity?: number;
 }
 
-export interface IDojoComponentDatabase {
+export interface IDojoComponentDatabase
+    extends Omit<IDojoComponentClient, "id" | "pi" | "CompletionTime" | "DecoCapacity"> {
     _id: Types.ObjectId;
-    pf: string;
-    ppf: string;
-    CompletionTime: Date;
+    pi?: Types.ObjectId;
+    CompletionTime?: Date;
 }