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fix(mcp): tag MCP SQL queries with /* atlan-mcp */ comment for log observability #220

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fix(mcp): tag MCP SQL queries with /* atlan-mcp */ comment for log observability #220

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7 changes: 6 additions & 1 deletion modelcontextprotocol/tools/query.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,9 +80,14 @@ def query_asset(
client = get_atlan_client()

# Build query request
# Prepend an MCP origin comment so queries are identifiable in
# downstream observability logs (e.g. Heka's db.statement OTEL field).
# QueryRequest has no application/source field, so a SQL comment is
# the only portable way to tag origin without SDK changes.
logger.debug("Building QueryRequest object")
tagged_sql = f"/* atlan-mcp */ {sql.strip()}"
query_request = QueryRequest(
sql=sql,
sql=tagged_sql,
data_source_name=connection_qualified_name,
default_schema=default_schema,
)
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