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# nginx config for food.tomflux.xyz
# Adds the MCP location to the existing web-app server block.
#
# The MCP connector is "authless" from claude.ai's side — the long secret in the
# URL path IS the credential. Only that exact prefix is proxied to the FastMCP
# service; everything else under /mcp/ falls through to the catch-all 301.
# Generate the secret once and keep it out of git, e.g.:
# python -c "import secrets; print(secrets.token_urlsafe(32))"
# then replace REPLACE_WITH_LONG_SECRET below and in the claude.ai connector URL:
# https://food.tomflux.xyz/mcp/REPLACE_WITH_LONG_SECRET/
server {
server_name food.tomflux.xyz;
location /app/ {
proxy_pass http://127.0.0.1:8042;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
location /accounts/ {
proxy_pass http://127.0.0.1:8042;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
location /static/ {
proxy_pass http://127.0.0.1:8042;
}
# --- MCP server (claude.ai cooking-mode connector) ---
# Regex so it matches with OR without a trailing slash — claude.ai stores
# the connector URL without one. Whatever follows the secret is normalised
# onto the FastMCP root (the service serves at "/").
location ~ ^/mcp/REPLACE_WITH_LONG_SECRET/?(?<mcp_rest>.*)$ {
proxy_pass http://127.0.0.1:8765/$mcp_rest$is_args$args;
proxy_http_version 1.1;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_buffering off; # MCP Streamable HTTP / SSE
proxy_read_timeout 3600s;
}
# OAuth-discovery probes MUST 404, not fall through to the /app/ login
# redirect. Otherwise claude.ai's connector flow sees the login page at
# /.well-known/oauth-* , thinks the server has an OAuth sign-in service,
# tries Dynamic Client Registration, and fails ("Couldn't register with
# ... sign-in service"). A 404 here makes it treat the server as authless.
location /.well-known/ { return 404; }
location / {
return 301 /app/;
}
# Block API and admin from external access (MCP reaches the API over
# localhost, so this does not affect it).
location /api/ { return 404; }
location /admin/ { return 404; }
listen 443 ssl; # managed by Certbot
ssl_certificate /etc/letsencrypt/live/dav.jihakuz.xyz/fullchain.pem; # managed by Certbot
ssl_certificate_key /etc/letsencrypt/live/dav.jihakuz.xyz/privkey.pem; # managed by Certbot
include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
server {
if ($host = food.tomflux.xyz) {
return 301 https://$host$request_uri;
} # managed by Certbot
server_name food.tomflux.xyz;
listen 80;
return 404; # managed by Certbot
}
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