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The following commit(s) were added to refs/heads/main by this push:
new 9340f3b feat(mcp): declare tool-surface boundaries in MCP server
instructions (#162)
9340f3b is described below
commit 9340f3b5f38e8750ab8c6379abf90e2c769e3528
Author: Aditya Parikh <[email protected]>
AuthorDate: Fri Sep 11 10:23:44 2026 -0400
feat(mcp): declare tool-surface boundaries in MCP server instructions (#162)
The MCP initialize response carries server-level instructions that every
client receives. Use them to state what this surface does NOT include
(delete, field drops/alters, debugQuery, vector/KNN, non-field facets)
and that schema modification is additive only, so LLM clients stop
guessing at tools that don't exist and route around the gaps instead.
Signed-off-by: adityamparikh <[email protected]>
Co-authored-by: Claude Fable 5 <[email protected]>
---
src/main/resources/application.properties | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/main/resources/application.properties
b/src/main/resources/application.properties
index 48b8b4a..855f958 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -16,7 +16,12 @@
#
spring.application.name=solr-mcp
spring.profiles.active=${PROFILES:stdio}
-spring.ai.mcp.server.instructions=This server provides tools to interact with
Apache Solr using Model Context Protocol (MCP) over STDIO and/or HTTP.
+spring.ai.mcp.server.instructions=This server provides tools to search, index,
and manage Apache Solr collections. \
+Discover before acting: use list-collections and get-schema to see what exists
before searching or indexing. \
+Surface boundaries: there are no tools to delete documents or collections,
drop or alter existing fields, \
+or debug relevance scoring (debugQuery); vector/KNN search is not exposed;
search facets are simple field \
+facets only (no range, pivot, or JSON facets). Schema modification is additive
only via add-fields and \
+add-field-types; changing an existing field's type requires reindexing and is
not supported by this server.
spring.ai.mcp.server.name=${spring.application.name}
spring.ai.mcp.server.version=1.0.0
# Solr configuration
