diff --git a/.gitignore b/.gitignore
index 4cb7f9c..deb9500 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ manifestseption/manifests*
 manifestseption/search-manifests*
 manifestseption/sites-temp*
 snooty/docs-master.zip
+sitemap-index/sitemap-index.xml
diff --git a/sitemap-index/.python-version b/sitemap-index/.python-version
new file mode 100644
index 0000000..1e33456
--- /dev/null
+++ b/sitemap-index/.python-version
@@ -0,0 +1 @@
+3.11.2
diff --git a/sitemap-index/sitemap-index-generator.py b/sitemap-index/sitemap-index-generator.py
new file mode 100644
index 0000000..c6f0b4b
--- /dev/null
+++ b/sitemap-index/sitemap-index-generator.py
@@ -0,0 +1,230 @@
+import pymongo
+import pandas as pd
+import os
+from flutter import check_type, checked
+from dataclasses import dataclass
+from typing import Optional
+from posixpath import join
+
+@checked
+@dataclass
+class SitemapUrlSuffix:
+    gitBranchName: str
+    urlSuffix: str
+    extension: str
+
+
+@checked
+@dataclass
+class Branch:
+    gitBranchName: str
+    active: bool
+    publishOriginalBranchName: bool
+    urlSlug: Optional[str]
+    buildsWithSnooty: bool
+    eolType: Optional[str]
+
+
+@checked
+@dataclass
+class Repo:
+    repoName: str
+    branches: list[Branch] | None
+    prefix: str
+    baseUrl: str
+
+@checked
+@dataclass
+class DBBranchObj:
+    """Define the branches object in repos_branches"""
+    id: any #ObjectId
+    gitBranchName: str
+    active: bool
+    urlAliases: Optional[list[str]]
+    publishOriginalBranchName: bool
+    urlSlug: str
+    versionSelectorLabel: str
+    isStableBranch: bool
+    buildsWithSnooty: bool
+    aliases: Optional[any]
+    name: Optional[str]
+
+
+@checked
+@dataclass
+class DBPrefixObj:
+    """Define the prefixes object in repos_branches"""
+    stg: str
+    prd: str
+    dotcomstg: str
+    dotcomprd: str
+
+@checked
+@dataclass
+class DBRepoObj:
+    repoName: str
+    branches: list[DBBranchObj]
+    prefix: list[DBPrefixObj]
+    bucket: list[any] #don't care
+    url: list[any] #don't care
+    project: str #don't care
+    search: Optional[list[any]] #don't care
+    groups: Optional[list[any]] #don't care
+    displayName: Optional[str] #don't care
+    _id: any #don't care
+
+class ConstructRepo:
+    def __init__(self, data) -> None:
+        self.data = data
+
+        self.repoName: str = data["repoName"]
+        self.branches = self.get_branches()
+        self.prefix = self.get_prefix()
+        self.baseUrl = self.derive_url()
+
+    def get_prefix(self) -> str:
+        if not check_type(str, self.data["docset"][0]["prefix"]["dotcomprd"]):
+            raise TypeError
+        return self.data["docset"][0]["prefix"]["dotcomprd"]
+
+    def derive_url(self) -> str:
+        url = join("https://www.mongodb.com", self.prefix)
+        return url
+
+    def get_branches(self) -> list[Branch] | None:
+        if not self.data["branches"]:
+            self.wonky = True
+            return None
+        branch_list: list[Branch] = []
+        for branch in self.data["branches"]:
+            new_branch = Branch(
+                branch["gitBranchName"],
+                branch.get("active", False),
+                branch.get("publishOriginalBranchName", False),
+                branch.get("urlSlug", None),
+                branch.get("buildsWithSnooty", True),
+                branch.get("eol_type", None)
+            )
+            branch_list.append(new_branch)
+        return branch_list
+
+    def export(self) -> Repo:
+        repo = Repo(
+            repoName=self.repoName,
+            branches=self.branches,
+            prefix=self.prefix,
+            baseUrl=self.baseUrl,
+        )
+        return repo
+
+
+class ConstructSitemapEntry:
+    def __init__(self, data: Branch) -> None:
+        self.data = data
+
+        self.gitBranchName: str = data.gitBranchName
+        self.urlSuffix = self.derive_url_suffix()
+        self.extension = self.derive_extension()
+
+    def derive_extension(self) -> str:
+        if self.data.buildsWithSnooty:
+            return "sitemap-0.xml"
+        return "sitemap.xml.gz"
+
+    def derive_url_suffix(self) -> str:
+        urlSuffix: str = ""
+        if self.data.urlSlug:
+            urlSuffix = self.data.urlSlug
+            return urlSuffix
+        if self.data.publishOriginalBranchName:
+            urlSuffix = self.gitBranchName
+            return urlSuffix
+        return urlSuffix
+
+    def export(self) -> SitemapUrlSuffix:
+        suffix = SitemapUrlSuffix(
+            gitBranchName=self.gitBranchName,
+            urlSuffix=self.urlSuffix,
+            extension=self.extension,
+        )
+        return suffix
+
+
+def run_validation(data) -> tuple[bool, str]:
+    if not check_type(str, data["repoName"]):
+        raise ValueError("No repo name?!")
+    if not data.get("branches"):
+        raise ValueError(f"No branch entry for {data['repoName']}.")
+    if not (data["docset"].get("prefix") and data["docset"]["prefix"].get("dotcomprd")):
+        raise ValueError(f"No dotcomprd prefix entry for {data['repoName']}")
+    if not (data.get("prodDeployable")):
+        raise ValueError(f"Cannot determine prod deployablility for {data['repoName']}")
+    return
+
+
+def main() -> None:
+    repos_branches = pymongo.MongoClient(os.environ.get("SNOOTY_CONN_STRING"))[
+        "pool"
+    ].repos_branches
+
+    lookup_pipeline = [
+        {"$lookup": {
+            "from": "docsets",
+            "localField": "_id",
+            "foreignField": "repos",
+            "as": "docset"
+        }}
+    ]
+
+    repos_branches_data = repos_branches.aggregate(lookup_pipeline)
+    sitemap_urls: list[str] = []
+
+    for r in repos_branches_data:
+        try:
+            run_validation(r)
+        except Exception as e:
+            print(e.args)
+
+        print(r)
+
+        # Skip repos that do not need sitemaps and br 
+        if r["internalOnly"] or not r["prodDeployable"]:
+            print(f"Skipping {r['repoName']}")
+            continue
+        repo = ConstructRepo(r).export()
+
+        if repo.branches:
+            for b in repo.branches:
+                if b.active and not (b.eolType or b.urlSlug == "upcoming" or b.urlSlug == "beta" or (b.gitBranchName == "master" and b.urlSlug == "master")):
+                    print(b.gitBranchName)
+                    sitemap_suffix = ConstructSitemapEntry(b).export()
+                    sitemap_url = join(
+                        repo.baseUrl, sitemap_suffix.urlSuffix, sitemap_suffix.extension
+                    )
+                    print(sitemap_url)
+                    sitemap_urls.append(sitemap_url)
+        else:
+            print("Repo has no branches.")
+
+    print(sitemap_urls)
+
+    # Set up DataFrame from the list of URLs
+
+    df = pd.DataFrame(sitemap_urls, columns=["loc"])
+
+    xml_data = df.to_xml(
+        root_name="sitemapindex",
+        index=False,
+        namespaces={"": "http://www.sitemaps.org/schemas/sitemap/0.9"},
+        row_name="sitemap",
+        xml_declaration=True,
+    )
+    print(xml_data)
+
+    # Save the XML data to a file
+    with open("sitemap-index-full.xml", "w") as file:
+        file.write(xml_data)
+
+
+if __name__ == "__main__":
+    main()