# list_compound_characteristics

List the pharmaceutical-compound characteristics (each scored on the −4…+4 scale) that can be used as preference keys in search_compounds.

Agent View of the PolicyLayer registry record for `list_compound_characteristics`. HTML page: https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/list-compound-characteristics

## Facts

- Tool: `list_compound_characteristics`
- Server: Cure Cancer With AI (`https://www.curecancerwithai.com/api/mcp`) — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai.md
- Homepage: https://github.com/hifarrer/ccwai-api
- Risk category: Read (Low risk)
- Registry record: grade C, identity unverified
- Server auth posture: open
- 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": "list_compound_characteristics",
    "arguments": {}
  }
}
```

## Why list_compound_characteristics is rated Low

This tool retrieves and enumerates available characteristic fields/parameters used for filtering or querying compounds. It is purely informational, returns static reference data about what search keys are available, and has no side effects on any data or systems. This is a straightforward Read operation with minimal security risk.

From the tool's own definition: "Tool name 'list_compound_characteristics' and description states it 'List[s] the pharmaceutical-compound characteristics' - a retrieval operation that provides metadata/schema information for search functionality, with no data modification or execution of…"

## Use case

AI agents call list_compound_characteristics to retrieve information from Cure Cancer With AI 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 Cure Cancer With AI:

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

## Other tools on Cure Cancer With AI (14)

- `predict_dti` — Execute — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/predict-dti.md
- `predict_ppi` — Execute — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/predict-ppi.md
- `get_blog_post` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/get-blog-post.md
- `get_clinical_trial` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/get-clinical-trial.md
- `get_research_paper` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/get-research-paper.md
- `list_blog_posts` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/list-blog-posts.md
- `list_clinical_trials` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/list-clinical-trials.md
- `list_fda_approvals` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/list-fda-approvals.md
- `list_news` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/list-news.md
- `list_research` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/list-research.md
- `mammal_health` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/mammal-health.md
- `predict_clintox` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/predict-clintox.md
- `search_compounds` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/search-compounds.md
- `search_oncology` — Read — https://policylayer.com/tools/io-github-hifarrer-cure-cancer-with-ai/search-oncology.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=io-github-hifarrer-cure-cancer-with-ai · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-hifarrer-cure-cancer-with-ai