diff --git a/express/http-codes.ts b/express/http-codes.ts
index d575331..2c12891 100644
--- a/express/http-codes.ts
+++ b/express/http-codes.ts
@@ -11,33 +11,66 @@ type CodeDefinitions = {
         [K: string]: HttpCode;
     };
 };
-// FIXME: Figure out how to brand CodeDefinitions in a way that isn't
-// tedious.
 
+// tx claude https://claude.ai/share/344fc7bd-5321-4763-af2f-b82275e9f865
 const httpCodes: CodeDefinitions = {
     success: {
         OK: { code: 200, name: "OK", description: "" },
         Created: { code: 201, name: "Created" },
         Accepted: { code: 202, name: "Accepted" },
-        NoContent: { code: 204, name: "No content" },
+        NonAuthoritativeInformation: {
+            code: 203,
+            name: "Non-Authoritative Information",
+        },
+        NoContent: { code: 204, name: "No Content" },
+        ResetContent: { code: 205, name: "Reset Content" },
+        PartialContent: { code: 206, name: "Partial Content" },
     },
     redirection: {
-        // later
+        MultipleChoices: { code: 300, name: "Multiple Choices" },
+        MovedPermanently: { code: 301, name: "Moved Permanently" },
+        Found: { code: 302, name: "Found" },
+        SeeOther: { code: 303, name: "See Other" },
+        NotModified: { code: 304, name: "Not Modified" },
+        TemporaryRedirect: { code: 307, name: "Temporary Redirect" },
+        PermanentRedirect: { code: 308, name: "Permanent Redirect" },
     },
     clientErrors: {
         BadRequest: { code: 400, name: "Bad Request" },
         Unauthorized: { code: 401, name: "Unauthorized" },
+        PaymentRequired: { code: 402, name: "Payment Required" },
         Forbidden: { code: 403, name: "Forbidden" },
         NotFound: { code: 404, name: "Not Found" },
         MethodNotAllowed: { code: 405, name: "Method Not Allowed" },
         NotAcceptable: { code: 406, name: "Not Acceptable" },
-        // More later
+        ProxyAuthenticationRequired: {
+            code: 407,
+            name: "Proxy Authentication Required",
+        },
+        RequestTimeout: { code: 408, name: "Request Timeout" },
+        Conflict: { code: 409, name: "Conflict" },
+        Gone: { code: 410, name: "Gone" },
+        LengthRequired: { code: 411, name: "Length Required" },
+        PreconditionFailed: { code: 412, name: "Precondition Failed" },
+        PayloadTooLarge: { code: 413, name: "Payload Too Large" },
+        URITooLong: { code: 414, name: "URI Too Long" },
+        UnsupportedMediaType: { code: 415, name: "Unsupported Media Type" },
+        RangeNotSatisfiable: { code: 416, name: "Range Not Satisfiable" },
+        ExpectationFailed: { code: 417, name: "Expectation Failed" },
+        ImATeapot: { code: 418, name: "I'm a teapot" },
+        UnprocessableEntity: { code: 422, name: "Unprocessable Entity" },
+        TooManyRequests: { code: 429, name: "Too Many Requests" },
     },
     serverErrors: {
         InternalServerError: { code: 500, name: "Internal Server Error" },
-        NotImplemented: { code: 500, name: "Not implemented" },
-        // more later
+        NotImplemented: { code: 501, name: "Not Implemented" },
+        BadGateway: { code: 502, name: "Bad Gateway" },
+        ServiceUnavailable: { code: 503, name: "Service Unavailable" },
+        GatewayTimeout: { code: 504, name: "Gateway Timeout" },
+        HTTPVersionNotSupported: {
+            code: 505,
+            name: "HTTP Version Not Supported",
+        },
     },
 };
-
 export { httpCodes };