# cdp_update_column_validator

Update a column validator. Pass updated fields as a JSON string.

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

## Facts

- Tool: `cdp_update_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_update_column_validator",
    "arguments": {}
  }
}
```

## Why cdp_update_column_validator is rated Medium

The tool creates or modifies data (a column validator configuration) reversibly without deleting it or executing arbitrary code. While column validators could be critical to data pipeline integrity, the operation itself is Write-category (update/modify).

From the tool's own definition: "Tool name indicates 'update' operation on 'column validator'; description confirms it modifies configuration by accepting 'updated fields as a JSON string'. This is a reversible modification of data/configuration within the CDP system."

## Use case

AI agents use cdp_update_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_update_column_validator": {
      "limits": [
        {
          "counter": "cdp_update_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`

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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
