MCP SQL Querystore

Read-only SQL Server diagnostics for LLM agents: Query Store, waits, plans, indexes

Connector by deepeshd87 · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)

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Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

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About

Read-only SQL Server diagnostics for LLM agents: Query Store, waits, plans, indexes

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 5 read · 1 write · 0 delete
Secrets: None asked for
Install scripts: Not scanned yet
Runs as: Python package

Tools by what they do 6

Read from the source code; the running server may list different tools.

Read 5 · Look things up without changing anything.

analyze_parameter_sniffing
get_missing_index_impact
get_query_execution_plan
get_regressed_queries
get_wait_stats

Write 1 · Create, change, send or run things.

sweep_regressions

Tools (6)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

analyze_parameter_sniffing
Detect queries whose runtime varies widely across multiple compiled plans — the classic parameter-sniffing signature. Ranks by the ratio of slowest to fastest plan mean duration.
get_missing_index_impact
Aggregate missing-index recommendations found in Query Store plans, ranked by the optimizer's estimated impact score. Groups duplicate recommendations across queries.
get_query_execution_plan
Fetch execution plan(s) for a Query Store query_id and return a compact summary (missing indexes, warnings, lookups) plus optional raw XML.
get_regressed_queries
Detect queries whose performance regressed by comparing a recent period against an earlier baseline period from Query Store.
get_wait_stats
Aggregate query wait time by wait category over a time window — shows WHY queries are slow (CPU, blocking/locks, IO, memory, etc.) rather than which are slow. Ranked by total wait time.
sweep_regressions
Run regression detection across ALL online databases that have Query Store enabled, and return the worst regressions found per database. Use this to triage a whole instance instead of one database at a time.

Signals

Stars: 0
Forks: 0
Open issues: 0
Weekly downloads: 39
Last commit: Oct 3, 2026 (27 days ago)
Last release: Oct 3, 2026 (27 days ago)
Last package publish: Oct 3, 2026 (27 days ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Registry name: io.github.deepeshd87/mcp-sql-querystore
Version: 0.1.1
Auth: No auth
Packages: pypi mcp-sql-querystore
License: MIT
Repository: github.com/deepeshd87/mcp-sql-querystore
First seen: Oct 24, 2026
Last checked: Oct 25, 2026
Source: Official MCP Registry github-graphql

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Cite this page

MCP SQL Querystore. Agent Mart. https://agentmart.dev/connectors/deepeshd87-mcp-sql-querystore (last updated 2026-10-25)