# cdp_create_column_validator

Create a new column validator. Pass validator as a JSON string.

Agent View of the PolicyLayer registry record for `cdp_create_column_validator`. HTML page: https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-create-column-validator

## Facts

- Tool: `cdp_create_column_validator`
- Server: CDP MCP Server (`atharva-joshi77/cdp-mcp`) — https://policylayer.com/tools/atharva-joshi77-cdp-mcp.md
- Homepage: https://github.com/atharva-joshi77/cdp-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "cdp_create_column_validator",
    "arguments": {}
  }
}
```

## Why cdp_create_column_validator is rated Medium

This tool creates a new validator configuration in the CDP system, modifying the platform's validation schema. This is a reversible write operation (validators can typically be updated or deleted). While it affects data validation rules that could impact downstream processes, it is not destructive, financial, or executable code.

From the tool's own definition: "Tool name contains 'create' and description states 'Create a new column validator', indicating data creation capability."

## Use case

AI agents use cdp_create_column_validator to create or update resources in CDP MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CDP MCP Server environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches CDP MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "cdp_create_column_validator": {
      "limits": [
        {
          "counter": "cdp_create_column_validator_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on CDP MCP Server (287)

- `cdp_cache_delete_by_group` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-cache-delete-by-group.md
- `cdp_cache_delete_by_id` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-cache-delete-by-id.md
- `cdp_cache_delete_by_key` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-cache-delete-by-key.md
- `cdp_deactivate_provision_instance` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-deactivate-provision-instance.md
- `cdp_delete_a360_rule` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-a360-rule.md
- `cdp_delete_alert` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-alert.md
- `cdp_delete_alert_def` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-alert-def.md
- `cdp_delete_audience_def` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-audience-def.md
- `cdp_delete_campaign` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-campaign.md
- `cdp_delete_client` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-client.md
- `cdp_delete_column_validator` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-column-validator.md
- `cdp_delete_connector` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-connector.md
- `cdp_delete_connector_template` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-connector-template.md
- `cdp_delete_cubic_set_def` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-cubic-set-def.md
- `cdp_delete_dashboard` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-dashboard.md
- `cdp_delete_data_erasure_request` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-data-erasure-request.md
- `cdp_delete_data_export` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-data-export.md
- `cdp_delete_dispatch` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-dispatch.md
- `cdp_delete_emailable_page` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-emailable-page.md
- `cdp_delete_execution_bucket` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-execution-bucket.md
- `cdp_delete_execution_summary_group` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-execution-summary-group.md
- `cdp_delete_mapping_template` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-mapping-template.md
- `cdp_delete_message_def` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-message-def.md
- `cdp_delete_output_connector` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-output-connector.md
- `cdp_delete_output_connector_def` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-output-connector-def.md
- `cdp_delete_prediction` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-prediction.md
- `cdp_delete_report_def` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-report-def.md
- `cdp_delete_role` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-role.md
- `cdp_delete_schedule` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-schedule.md
- `cdp_delete_selfservice_user` — Destructive — https://policylayer.com/tools/atharva-joshi77-cdp-mcp/cdp-delete-selfservice-user.md
- …and 257 more: https://policylayer.com/tools/atharva-joshi77-cdp-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=atharva-joshi77-cdp-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/atharva-joshi77-cdp-mcp