Antonio-RiveroMartnez opened a new pull request, #36497:
URL: https://github.com/apache/superset/pull/36497
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### SUMMARY
This PR adds support for FastMCP 2.13.0+ features to the MCP service:
Response Caching Middleware
- New caching.py module with ResponseCachingMiddleware integration
- Configurable TTLs for different MCP operations (list_tools,
list_resources, call_tool, etc.)
- Tool exclusion list for non-cacheable operations (execute_sql,
generate_chart, etc.)
- Uses FastMCP's native caching middleware for optimal performance
External Storage Layer
- New storage.py module providing a reusable Redis store factory
- get_mcp_store(prefix) factory function for creating prefixed stores
- Supports PrefixKeysWrapper for multi-tenant key isolation
- Extensible architecture for future features (auth state,
events, etc.)
Configuration
- MCP_STORE_CONFIG: Shared Redis infrastructure settings
- MCP_CACHE_CONFIG: Per-operation TTLs and exclusion rules
- Both disabled by default in OSS (opt-in)
Compatibility Updates
- Updated auth.py decorators for FastMCP 2.13.2+ compatibility
- Enhanced schema_utils.py with improved JSON parsing utilities
Testing
- Added unit tests for storage.py and caching.py
BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF
N/A - Backend infrastructure changes
TESTING INSTRUCTIONS
1. Enable the features in the configs
2. Point to your redis
3. Call tools
4. Inspect your redis keys
### BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF
<!--- Skip this if not applicable -->
### TESTING INSTRUCTIONS
<!--- Required! What steps can be taken to manually verify the changes? -->
### ADDITIONAL INFORMATION
<!--- Check any relevant boxes with "x" -->
<!--- HINT: Include "Fixes #nnn" if you are fixing an existing issue -->
- [ ] Has associated issue:
- [ ] Required feature flags:
- [ ] Changes UI
- [ ] Includes DB Migration (follow approval process in
[SIP-59](https://github.com/apache/superset/issues/13351))
- [ ] Migration is atomic, supports rollback & is backwards-compatible
- [ ] Confirm DB migration upgrade and downgrade tested
- [ ] Runtime estimates and downtime expectations provided
- [X] Introduces new feature or API
- [ ] Removes existing feature or API
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