sql-steward

A governed SQL gateway that exposes typed tools to AI agents, compiling safe read-only queries from a semantic layer while blocking PII before execution, supporting SQL Server, Postgres, and SQLite.

→ Pawansingh3889/sql-steward · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configSQL_STEWARD_EMBED_URL— export =http://localhost:11434/api/embeddings # local embeddings for semantic_search

configSQL_STEWARD_EMBED_MODEL— export =nomic-embed-text

configSQL_STEWARD_POLICY— export =/path/to/policy.yaml # query-warden second-pass role check

configSQL_STEWARD_ROLE— export =analyst

configSQL_STEWARD_MASK— export =1 # pii-veil masks anything left in results

configSQL_STEWARD_MASK_COLUMNS

configSQL_STEWARD_QUERY_BUDGET— export =200 # hard cap on queries per role per session

configSQL_STEWARD_AUDIT

configSQL_STEWARD_AUDIT_DB— export =logs/steward.db # agent-blackbox audit chain (on if installed)

configSQL_STEWARD_ACTOR

configSQL_STEWARD_LAYER— servers.yaml lives wherever you point . Claude Desktop (claude_desktop_config.json):

configSQL_STEWARD_DB_URL— "": "postgresql+psycopg://readonly@db.internal/warehouse"

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/pawansingh3889-sql-steward-1vp113)](https://m8ven.ai/mcp/pawansingh3889-sql-steward-1vp113)

commit: 3397a0dd6328513f869faaca228362a7b1756e2d

code hash: 9a3542db728ec435f469921755d5cb391ade2221863b509154b06eca68050efe

verified: 6/19/2026, 10:53:36 AM

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