Test Inherit Child

Goal: Test if child can use MCP tool listed in ITS OWN allowed-tools, even if parent doesn't have it.

Task

1. Try to use mcp__neo4j-cypher__read_neo4j_cypher directly (no MCPSearch)
2. Execute: MATCH (c:Company {ticker: 'IBM'}) RETURN c.name LIMIT 1
3. Report result

Write to: earnings-analysis/test-outputs/inherit-child-result.txt

Return: "CHILD_MCP_ACCESS: [yes/no] | RESULT: [query result or error]"