sql-steward runs on your own machine — the client starts it, so there is no endpoint to ping. 70 installs a week from pypi. Last commit 29 Jul 2026.
The agent never writes SQL: queries compile from a semantic layer you control, PII refused first.
The author archived this repository on GitHub, meaning it is no longer maintained.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 20 August 2026. No other catalogue keeps this.
We read the source, 7 d ago · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
execFile(exe, ['validate', filePath], { cwd }, (error, stdout, stderr) => {
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add sql-steward -- uvx sql-steward
{
"mcpServers": {
"sql-steward": {
"args": [
"sql-steward"
],
"command": "uvx"
}
}
}
[mcp_servers.sql-steward]
command = "uvx"
args = ["sql-steward"]
{
"mcpServers": {
"sql-steward": {
"args": [
"sql-steward"
],
"command": "uvx"
}
}
}
{
"mcpServers": {
"sql-steward": {
"args": [
"sql-steward"
],
"command": "uvx"
}
}
}
This one needs environment variables set before it will start:
SQL_STEWARD_DB_URL (SQLAlchemy URL of the database to read (read-only account recommended)), SQL_STEWARD_LAYER (Path to the semantic layer YAML (default: semantic.yaml)).
The author declared them in the registry entry; get the values from the project itself.
API-first semantic layer MCP server compiling YAML models into dialect-specific SQL
Every figure re-checked against SQL-computed facts; unsupported questions refused with the reason.
MCP server for natural-language queries against SAP CAP db-layer entities via real CQN/SQL JOINs.
An Oracle MCP server built from the PL/SQL, tables and statements you select. No run-sql tool
Read-only PostgreSQL over MCP. Writes refused at the parsed SQL, plus a READ ONLY transaction.
MCP server for one MySQL database: schema, read-only queries and guarded writes.
Seven-layer agent memory: episodic, semantic, procedural and core. Local SQLite, no account.
Connects coding agents to a running QuestDB Web Console: notebook cells, SQL queries, and charts.
Answers built from our own checks of this server.