Tom FluxandClaude Opus 4.8
77b42a8758
claude.ai's custom-connector flow probes /.well-known/oauth-* during setup. The catch-all 301 -> /app/ made those return the Kitchen login page (200), so claude.ai mistook it for an OAuth sign-in service, tried Dynamic Client Registration, and failed. Returning 404 makes it treat the server as authless and connect. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
79 lines
3.0 KiB
Nginx Configuration File
79 lines
3.0 KiB
Nginx Configuration File
# nginx config for food.tomflux.xyz
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# Adds the MCP location to the existing web-app server block.
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#
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# The MCP connector is "authless" from claude.ai's side — the long secret in the
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# URL path IS the credential. Only that exact prefix is proxied to the FastMCP
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# service; everything else under /mcp/ falls through to the catch-all 301.
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# Generate the secret once and keep it out of git, e.g.:
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# python -c "import secrets; print(secrets.token_urlsafe(32))"
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# then replace REPLACE_WITH_LONG_SECRET below and in the claude.ai connector URL:
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# https://food.tomflux.xyz/mcp/REPLACE_WITH_LONG_SECRET/
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server {
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server_name food.tomflux.xyz;
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location /app/ {
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proxy_pass http://127.0.0.1:8042;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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location /accounts/ {
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proxy_pass http://127.0.0.1:8042;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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location /static/ {
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proxy_pass http://127.0.0.1:8042;
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}
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# --- MCP server (claude.ai cooking-mode connector) ---
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# Trailing slashes on both sides strip the secret prefix, so the FastMCP
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# service (serving at "/") sees clean paths.
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location /mcp/REPLACE_WITH_LONG_SECRET/ {
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proxy_pass http://127.0.0.1:8765/;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_buffering off; # MCP Streamable HTTP / SSE
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proxy_read_timeout 3600s;
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}
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# OAuth-discovery probes MUST 404, not fall through to the /app/ login
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# redirect. Otherwise claude.ai's connector flow sees the login page at
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# /.well-known/oauth-* , thinks the server has an OAuth sign-in service,
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# tries Dynamic Client Registration, and fails ("Couldn't register with
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# ... sign-in service"). A 404 here makes it treat the server as authless.
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location /.well-known/ { return 404; }
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location / {
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return 301 /app/;
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}
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# Block API and admin from external access (MCP reaches the API over
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# localhost, so this does not affect it).
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location /api/ { return 404; }
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location /admin/ { return 404; }
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listen 443 ssl; # managed by Certbot
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ssl_certificate /etc/letsencrypt/live/dav.jihakuz.xyz/fullchain.pem; # managed by Certbot
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ssl_certificate_key /etc/letsencrypt/live/dav.jihakuz.xyz/privkey.pem; # managed by Certbot
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include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
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ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
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}
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server {
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if ($host = food.tomflux.xyz) {
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return 301 https://$host$request_uri;
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} # managed by Certbot
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server_name food.tomflux.xyz;
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listen 80;
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return 404; # managed by Certbot
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}
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