# fetch_control_source_summary

A read tool on the ComplianceCow MCP Server MCP server.

Agent View of the PolicyLayer registry record for `fetch_control_source_summary`. HTML page: https://policylayer.com/tools/compliancecow-cow-mcp/fetch-control-source-summary

## Facts

- Tool: `fetch_control_source_summary`
- Server: ComplianceCow MCP Server (`compliancecow/cow-mcp`) — https://policylayer.com/tools/compliancecow-cow-mcp.md
- Homepage: https://github.com/ComplianceCow/cow-mcp
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

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

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

## Why fetch_control_source_summary is rated Low

This tool appears to retrieve a summary of control sources from the ComplianceCow platform for querying/reporting purposes. The 'fetch' verb and lack of any modifying action in the name indicate a read-only operation. No description was provided to lower confidence slightly, but the naming convention and server context clearly indicate data retrieval rather than creation, modification, or deletion.

From the tool's own definition: "Tool name 'fetch_control_source_summary' uses 'fetch' which indicates retrieval of data with no side effects. The server description confirms it 'retrieve[s] compliance insights, dashboard data, and auditable evidence' without modification."

## Use case

AI agents call fetch_control_source_summary to retrieve information from ComplianceCow MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

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

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "fetch_control_source_summary": {}
  }
}
```

## Other tools on ComplianceCow MCP Server (208)

- `delete_asset_schedule` — Destructive — https://policylayer.com/tools/compliancecow-cow-mcp/delete-asset-schedule.md
- `create_sql_query_evidence` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/create-sql-query-evidence.md
- `execute_action` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/execute-action.md
- `execute_cypher_query` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/execute-cypher-query.md
- `execute_rule` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/execute-rule.md
- `execute_shell_command` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/execute-shell-command.md
- `execute_task` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/execute-task.md
- `prepare_applications_for_execution` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/prepare-applications-for-execution.md
- `run_metrics_assessment` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/run-metrics-assessment.md
- `schedule_asset_execution` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/schedule-asset-execution.md
- `trigger_workflow` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/trigger-workflow.md
- `validate_sql_query` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/validate-sql-query.md
- `validate_sql_query_and_cel` — Execute — https://policylayer.com/tools/compliancecow-cow-mcp/validate-sql-query-and-cel.md
- `collect_parameter_input` — Other — https://policylayer.com/tools/compliancecow-cow-mcp/collect-parameter-input.md
- `confirm_parameter_input` — Other — https://policylayer.com/tools/compliancecow-cow-mcp/confirm-parameter-input.md
- `confirm_template_input` — Other — https://policylayer.com/tools/compliancecow-cow-mcp/confirm-template-input.md
- `create_metric_sql_query_evidence` — Other — https://policylayer.com/tools/compliancecow-cow-mcp/create-metric-sql-query-evidence.md
- `create_workflow_custom_event` — Other — https://policylayer.com/tools/compliancecow-cow-mcp/create-workflow-custom-event.md
- `generate_design_notes_preview` — Other — https://policylayer.com/tools/compliancecow-cow-mcp/generate-design-notes-preview.md
- `generate_rule_readme_preview` — Other — https://policylayer.com/tools/compliancecow-cow-mcp/generate-rule-readme-preview.md
- `modify_workflow` — Other — https://policylayer.com/tools/compliancecow-cow-mcp/modify-workflow.md
- `publish_application` — Other — https://policylayer.com/tools/compliancecow-cow-mcp/publish-application.md
- `audit_fetch_assessment_run_details` — Read — https://policylayer.com/tools/compliancecow-cow-mcp/audit-fetch-assessment-run-details.md
- `audit_fetch_assessment_run_leaf_control_evidence` — Read — https://policylayer.com/tools/compliancecow-cow-mcp/audit-fetch-assessment-run-leaf-control-evidence.md
- `audit_fetch_assessment_runs` — Read — https://policylayer.com/tools/compliancecow-cow-mcp/audit-fetch-assessment-runs.md
- `audit_fetch_evidence_records` — Read — https://policylayer.com/tools/compliancecow-cow-mcp/audit-fetch-evidence-records.md
- `audit_get_uses_by_ids` — Read — https://policylayer.com/tools/compliancecow-cow-mcp/audit-get-uses-by-ids.md
- `audit_list_all_assessment_categories` — Read — https://policylayer.com/tools/compliancecow-cow-mcp/audit-list-all-assessment-categories.md
- `audit_list_all_assessments` — Read — https://policylayer.com/tools/compliancecow-cow-mcp/audit-list-all-assessments.md
- `audit_list_assessment_control_configs` — Read — https://policylayer.com/tools/compliancecow-cow-mcp/audit-list-assessment-control-configs.md
- …and 178 more: https://policylayer.com/tools/compliancecow-cow-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=compliancecow-cow-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/compliancecow-cow-mcp
