45
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3 days ago
glama

datacharter

Read-only, PII-masked MCP server for querying data federated through DuckDB — list sources/tables, inspect schemas, and run SQL across Postgres, MySQL, SQLite, Snowflake, BigQuery, Excel, and files, governed per source/table/column by a charter.yaml contract. Snowflake, BigQuery, Excel, and files, governed per source/table/column by a charter.yaml contract.

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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 2 credentials: OPENAI_API_KEY, DATACHARTER_STATE_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.
configDATACHARTER_WORKSPACE
configOPENAI_BASE_URLexport =... # any OpenAI-compatible API
🔐 secretOPENAI_API_KEYexport =...
configDATACHARTER_MODEL
🔐 secretDATACHARTER_STATE_KEY
// 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 1 concrete improvement 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/datacharter-datacharter-aj2q42)](https://m8ven.ai/mcp/datacharter-datacharter-aj2q42)
commit: 41328d19f96b7a94f810674289a28d7cf32c7570
code hash: 3ed6654ef9e2758dabbb938a1f0c717c238c7facf0d794ede68d4a2669f3d557
verified: 7/28/2026, 9:05:25 AM
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