mcp-backend

MCP server providing backend access to PostgreSQL, Storage (Supabase/S3), Iceberg data lake, and SQL seeds. It offers 32 tools for database queries, storage operations, seed management, and more.

→ natuleadan/mcp-backend · 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.

🔐

You'll be asked for 6 credentials: AWS_SECRET_ACCESS_KEY, CATALOG_TOKEN, ICEBERG_TOKEN, STORAGE_SECRET_ACCESS_KEY, SUPABASE_PUBLISHABLE_KEY, SUPABASE_SECRET_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

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

configAWS_ACCESS_KEY_ID— S3-compatible access key

🔐 secretAWS_SECRET_ACCESS_KEY— S3-compatible secret key

configBACKEND_MODE— supabase (full) or postgres (DB + S3 storage)

🔐 secretCATALOG_TOKEN

configCATALOG_URI— Iceberg REST Catalog URI

configDB_URL

configICEBERG_NAMESPACE— Iceberg namespace (default: audit)

🔐 secretICEBERG_TOKEN— Bearer token for Iceberg catalog

configICEBERG_WAREHOUSE— Iceberg warehouse name

configPOSTGRES_URL— PostgreSQL connection string

configS3_ENDPOINT— S3-compatible endpoint URL

configSTORAGE_ACCESS_KEY_ID— S3 access key (postgres mode)

configSTORAGE_BUCKET— Default S3 bucket name (postgres mode)

configSTORAGE_ENDPOINT_URL— S3-compatible endpoint (required in postgres mode)

configSTORAGE_REGION— S3 region (default: us-east-1)

🔐 secretSTORAGE_SECRET_ACCESS_KEY— S3 secret key (postgres mode)

🔐 secretSUPABASE_PUBLISHABLE_KEY— Supabase anon/publishable key (supabase mode)

🔐 secretSUPABASE_SECRET_KEY— Supabase service role key (supabase mode)

configSUPABASE_SERVICE_ROLE_JWT

configSUPABASE_URL— Supabase project URL (required in supabase mode)

// 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 4 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/natuleadan-mcp-backend-iziwfa)](https://m8ven.ai/mcp/natuleadan-mcp-backend-iziwfa)

commit: 47bda96f539e323c302df1e6210076b98d73dd44

code hash: 724d457c1dce00b47b937822594b052b743869efd42573bb9e412bf580d2c2a6

verified: 6/12/2026, 10:34:25 AM

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