You need MIT certificates to use this system.
You can get them from the MIT certificate server.

Here is some debugging info that might be useful for Sanjoy to have.

SSL_VERSION_INTERFACE mod_ssl/2.4.10
SSL_SERVER_I_DN_OU InCommon
SSL_CIPHER_EXPORT false
CONTEXT_DOCUMENT_ROOT /afs/athena.mit.edu/user/s/a/sanjoy/web_scripts
SERVER_SOFTWARE Apache
CONTEXT_PREFIX 
SSL_SERVER_A_KEY rsaEncryption
SSL_SERVER_S_DN_ST Massachusetts
SERVER_SIGNATURE 
REQUEST_METHOD GET
SERVER_PROTOCOL HTTP/1.1
SSL_SERVER_S_DN CN=*.scripts.mit.edu,O=Massachusetts Institute of Technology,ST=Massachusetts,C=US
PATH /usr/local/bin:/usr/bin:/bin
SSL_CIPHER ECDHE-RSA-AES128-GCM-SHA256
SSL_SERVER_V_START Aug 30 00:00:00 2023 GMT
SSL_TLS_SNI sanjoy.scripts.mit.edu
SSL_CLIENT_VERIFY NONE
SSL_SERVER_I_DN_ST MI
SERVER_NAME sanjoy.scripts.mit.edu
REMOTE_ADDR 3.137.174.216
SSL_CIPHER_ALGKEYSIZE 128
SSL_SECURE_RENEG true
SSL_SERVER_I_DN_C US
SSL_COMPRESS_METHOD NULL
SSL_SERVER_I_DN_L Ann Arbor
SSL_SERVER_I_DN_O Internet2
HOME /afs/athena.mit.edu/user/s/a/sanjoy
SERVER_ADDR 18.4.86.22
DOCUMENT_ROOT /afs/athena.mit.edu/user/s/a/sanjoy/web_scripts
SERVER_PORT 444
SSL_VERSION_LIBRARY OpenSSL/1.0.1k-fips
JAVA_TOOL_OPTIONS -Xmx128M
SCRIPT_FILENAME /afs/athena.mit.edu/user/s/a/sanjoy/web_scripts/6.055/view_my_grades.py
SERVER_ADMIN scripts@mit.edu
SSL_SESSION_RESUMED Initial
SSL_SERVER_S_DN_O Massachusetts Institute of Technology
SSL_SERVER_A_SIG sha256WithRSAEncryption
HTTP_USER_AGENT Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_HOST sanjoy.scripts.mit.edu:444
SCRIPT_NAME /6.055/view_my_grades.py
HTTPS on
SSL_SERVER_M_VERSION 3
SSL_SERVER_S_DN_C US
REQUEST_URI /6.055/view_my_grades.py
HTTP_ACCEPT */*
SSL_SERVER_M_SERIAL 7798396991937C10587EAAFA01027760
SSL_SERVER_S_DN_CN *.scripts.mit.edu
GATEWAY_INTERFACE CGI/1.1
SSL_SERVER_I_DN_CN InCommon RSA Server CA
REMOTE_PORT 39186
REQUEST_SCHEME https
SSL_SERVER_V_END Aug 29 23:59:59 2024 GMT
SSL_PROTOCOL TLSv1.2
QUERY_STRING 
SSL_CIPHER_USEKEYSIZE 128
SSL_SERVER_I_DN CN=InCommon RSA Server CA,OU=InCommon,O=Internet2,L=Ann Arbor,ST=MI,C=US