An MCP server that does not require API configuration – MCP tools

download_pubmed
Paper Search MCP Server
Explains that PubMed does not host PDFs and provides alternative methods to download academic papers from other sources.
UpdateUnitTest
mcp-abap-adt
Update an existing ABAP Unit test run by specifying its run identifier. Note: ADT does not support updating unit test runs and will return an error.
MIT License
get_queries_not_using_covering_index
Couchbase MCP Server
Identify queries that perform index scans but require additional fetches, indicating they're not using covering indexes. Helps optimize database performance by finding inefficient queries.
Python
Apache 2.0
view_current_cart
Kroger MCP Server
View items in your local Kroger shopping cart that were added through this MCP server. Note: Cannot access actual user cart contents via Kroger API.
MIT License
DeleteUnitTest
mcp-abap-adt
Remove ABAP Unit test runs from SAP systems using the run identifier. Note: ADT does not support deleting unit test runs and will return an error.
MIT License
health_check
Zapmail MCP Server
Verify Zapmail MCP Server functionality by testing API connectivity, cache status, and configuration validation to ensure reliable operation.

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