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The following commit(s) were added to refs/heads/main by this push:
     new afbf38d  fix(indexing): return indexing results to MCP clients instead 
of void (#107)
afbf38d is described below

commit afbf38db4006bc0deeb1388c9730bad962b23f06
Author: Aditya Parikh <[email protected]>
AuthorDate: Fri May 8 17:01:55 2026 -0400

    fix(indexing): return indexing results to MCP clients instead of void (#107)
    
    Change indexJsonDocuments(), indexCsvDocuments(), and indexXmlDocuments()
    from void to String return type, returning a message with the success
    count so AI clients get feedback on how many documents were indexed.
    
    Signed-off-by: adityamparikh <[email protected]>
    Co-authored-by: Claude Opus 4.6 (1M context) <[email protected]>
---
 .../solr/mcp/server/indexing/IndexingService.java      | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git 
a/src/main/java/org/apache/solr/mcp/server/indexing/IndexingService.java 
b/src/main/java/org/apache/solr/mcp/server/indexing/IndexingService.java
index e52ca7b..84349a1 100644
--- a/src/main/java/org/apache/solr/mcp/server/indexing/IndexingService.java
+++ b/src/main/java/org/apache/solr/mcp/server/indexing/IndexingService.java
@@ -193,11 +193,13 @@ public class IndexingService {
         */
        @PreAuthorize("isAuthenticated()")
        @McpTool(name = "index-json-documents", description = "Index documents 
from json String into Solr collection")
-       public void indexJsonDocuments(@McpToolParam(description = "Solr 
collection to index into") String collection,
+       public String indexJsonDocuments(@McpToolParam(description = "Solr 
collection to index into") String collection,
                        @McpToolParam(description = "JSON string containing 
documents to index") String json)
                        throws IOException, SolrServerException {
                List<SolrInputDocument> schemalessDoc = 
indexingDocumentCreator.createSchemalessDocumentsFromJson(json);
-               indexDocuments(collection, schemalessDoc);
+               int successCount = indexDocuments(collection, schemalessDoc);
+               return "Successfully indexed " + successCount + " of " + 
schemalessDoc.size() + " documents into collection '"
+                               + collection + "'";
        }
 
        /**
@@ -259,11 +261,13 @@ public class IndexingService {
         */
        @PreAuthorize("isAuthenticated()")
        @McpTool(name = "index-csv-documents", description = "Index documents 
from CSV string into Solr collection")
-       public void indexCsvDocuments(@McpToolParam(description = "Solr 
collection to index into") String collection,
+       public String indexCsvDocuments(@McpToolParam(description = "Solr 
collection to index into") String collection,
                        @McpToolParam(description = "CSV string containing 
documents to index") String csv)
                        throws IOException, SolrServerException {
                List<SolrInputDocument> schemalessDoc = 
indexingDocumentCreator.createSchemalessDocumentsFromCsv(csv);
-               indexDocuments(collection, schemalessDoc);
+               int successCount = indexDocuments(collection, schemalessDoc);
+               return "Successfully indexed " + successCount + " of " + 
schemalessDoc.size() + " documents into collection '"
+                               + collection + "'";
        }
 
        /**
@@ -349,11 +353,13 @@ public class IndexingService {
         */
        @PreAuthorize("isAuthenticated()")
        @McpTool(name = "index-xml-documents", description = "Index documents 
from XML string into Solr collection")
-       public void indexXmlDocuments(@McpToolParam(description = "Solr 
collection to index into") String collection,
+       public String indexXmlDocuments(@McpToolParam(description = "Solr 
collection to index into") String collection,
                        @McpToolParam(description = "XML string containing 
documents to index") String xml)
                        throws ParserConfigurationException, SAXException, 
IOException, SolrServerException {
                List<SolrInputDocument> schemalessDoc = 
indexingDocumentCreator.createSchemalessDocumentsFromXml(xml);
-               indexDocuments(collection, schemalessDoc);
+               int successCount = indexDocuments(collection, schemalessDoc);
+               return "Successfully indexed " + successCount + " of " + 
schemalessDoc.size() + " documents into collection '"
+                               + collection + "'";
        }
 
        /**

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