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Fix middleware and schema cache issues

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This commit addresses two critical issues in the MCP server:

1. CORS Middleware Fix:
   - Move CORS middleware outside the auth check so it's always enabled
   - CORS is required for browser-based MCP clients, regardless of auth
   - Fixes "OPTIONS /mcp HTTP/1.1 405 Method Not Allowed" error

2. Schema Cache Improvements:
   - Add specific handling for corrupted JSON cache files
   - Automatically remove corrupted cache files and log the action
   - Prevents startup failures due to malformed JSON
   - Better error messages to help diagnose cache issues

3. Configuration Updates:
   - Change default SCHEMA_CACHE_DIR from /app/data/schemas to ./data/schemas
   - Better default for local development (Docker still uses /app/data/schemas)
   - Update .env.example with clearer documentation

These fixes improve robustness and make local development easier.
This commit is contained in:
Claude 2025-11-30 00:09:55 +00:00
parent de023b66c7
commit 7c162691db
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4 changed files with 35 additions and 14 deletions
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.env.example
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@ -54,7 +54,8 @@ MONITORING_ENABLED=true
MONITORING_INTERVAL_HOURS=24
# Directory to store schema cache (persisted between restarts)
SCHEMA_CACHE_DIR=/app/data/schemas
# Default: ./data/schemas (local dev) or /app/data/schemas (Docker)
SCHEMA_CACHE_DIR=./data/schemas
# =============================================================================
# Logging Configuration