Add delete-index MCP tool (resolves #23)

[tpayet]

Summary

• Implements the missing delete-index MCP tool requested in issue Delete index from Claude App #23
• Utilizes existing IndexManager.delete_index method that was already available but not exposed through MCP interface
• Adds comprehensive test coverage for all delete-index functionality scenarios

Changes

MCP Tool Implementation

• Added delete-index tool definition with proper JSON schema validation
• Implemented tool handler in server.py that calls IndexManager.delete_index
• Tool requires uid parameter and returns success confirmation message

Test Coverage

• Tool Discovery: Verifies delete-index appears in tool list with correct schema
• Successful Deletion: Tests creating, verifying, deleting, and confirming removal of indexes
• Document Handling: Ensures indexes with documents are properly deleted (documents removed too)
• Edge Cases: Tests behavior with non-existent indexes (Meilisearch allows this without error)
• Input Validation: Verifies proper error handling for missing required parameters
• Integration Workflow: Complete end-to-end testing of create → populate → search → delete cycle

Test Results

All 22 tests pass, including 6 new comprehensive tests specifically for delete-index functionality.

Security Considerations

The delete-index operation is intentionally "destructive" as requested in the issue. Users should exercise caution when using this tool as index deletion is permanent and removes all associated documents.

Closes #23

🤖 Generated with Claude Code

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📥 Commits

Reviewing files that changed from the base of the PR and between bbb9e0d and e642ba9.

📒 Files selected for processing (2)

• src/meilisearch_mcp/server.py (4 hunks)
• tests/test_mcp_client.py (5 hunks)

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