# datacharter

> datacharter — datacharter-datacharter. Use this tool when you need to securely query and explore federated data from various sources, including Postgres, MySQL, and cloud storage, while masking sensitive information. It solves problems related to data discovery, schema inspection, and SQL querying across multiple platforms, with governance controlled by a charter.yaml contract. The tool accepts SQL queries as input and returns query results, providing a read-only interface to federated data.

Canonical page: https://skillsregistry.net/skills/datacharter-datacharter  
JSON: https://api.skillsregistry.net/v1/skills/datacharter-datacharter

## Description

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.

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/i1ji46we3p)
- **Repository:** <https://github.com/datacharter/datacharter>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "datacharter-datacharter"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/datacharter-datacharter` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/datacharter-datacharter/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt