# BigQuery Validator

> Use this tool when you need to validate and analyze BigQuery SQL queries without executing them, to identify potential errors, estimate costs, and preview schema changes. It solves problems such as query optimization, cost control, and syntax debugging, providing inputs like SQL queries and outputs like cost estimates and schema previews. Ideal for use cases where query testing and validation are crucial before execution, ensuring data integrity and cost efficiency.

Canonical page: https://skillsregistry.net/skills/caron14-mcp-bigquery  
JSON: https://api.skillsregistry.net/v1/skills/caron14-mcp-bigquery

## Description

Enables validation and dry-run analysis of BigQuery SQL queries without execution. Provides cost estimates, schema previews, and syntax validation for BigQuery queries.

## Trust

- **Trust score (0–1):** 0.86
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/jruxqg08y9)
- **Repository:** <https://github.com/caron14/mcp-bigquery>

## 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": "caron14-mcp-bigquery"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/caron14-mcp-bigquery` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/caron14-mcp-bigquery/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