# manage_webhooks

List all registered webhooks or remove one by ID. Use action

Agent View of the PolicyLayer registry record for `manage_webhooks`. HTML page: https://policylayer.com/tools/0xhashy-fathom-fyi/manage-webhooks

## Facts

- Tool: `manage_webhooks`
- Server: Fathom Fyi (`0xhashy/fathom-fyi`) — https://policylayer.com/tools/0xhashy-fathom-fyi.md
- Homepage: https://github.com/0xHashy/fathom-fyi
- Risk category: Write (Medium risk)
- Registry record: grade C, 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": "manage_webhooks",
    "arguments": {}
  }
}
```

## Why manage_webhooks is rated Medium

Removing webhooks is a reversible write operation—configurations can be recreated. It does not permanently destroy data, make financial transactions, or execute arbitrary code. However, it modifies system state by altering registered webhook handlers, which could disrupt monitoring or alerting if misused. Medium severity reflects that webhook removal affects system configuration but remains reversible.

From the tool's own definition: "Tool performs modification operations: 'remove one by ID' indicates deletion/modification of webhook configurations. 'List all registered webhooks' is read-only, but the tool's primary function is management (removal) of webhooks."

## Use case

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

## Recommended policy (PolicyLayer)

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

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

## Other tools on Fathom Fyi (31)

- `evaluate_strategy` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/evaluate-strategy.md
- `get_account_status` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-account-status.md
- `get_alerts` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-alerts.md
- `get_alternative_signals` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-alternative-signals.md
- `get_asset_context` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-asset-context.md
- `get_asset_momentum` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-asset-momentum.md
- `get_chain_context` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-chain-context.md
- `get_correlation_matrix` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-correlation-matrix.md
- `get_crowd_intelligence` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-crowd-intelligence.md
- `get_defi_health` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-defi-health.md
- `get_derivatives_context` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-derivatives-context.md
- `get_event_catalyst_timeline` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-event-catalyst-timeline.md
- `get_historical_context` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-historical-context.md
- `get_macro_context` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-macro-context.md
- `get_market_regime` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-market-regime.md
- `get_narrative_pulse` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-narrative-pulse.md
- `get_onchain_pulse` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-onchain-pulse.md
- `get_portfolio_analysis` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-portfolio-analysis.md
- `get_question_context` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-question-context.md
- `get_reality_check` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-reality-check.md
- `get_sentiment_state` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-sentiment-state.md
- `get_signal_history` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-signal-history.md
- `get_stablecoin_flows` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-stablecoin-flows.md
- `get_temporal_context` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-temporal-context.md
- `get_watchlist_report` — Read — https://policylayer.com/tools/0xhashy-fathom-fyi/get-watchlist-report.md
- `rotate_api_key` — Write — https://policylayer.com/tools/0xhashy-fathom-fyi/rotate-api-key.md
- `set_alert` — Write — https://policylayer.com/tools/0xhashy-fathom-fyi/set-alert.md
- `set_custom_strategy` — Write — https://policylayer.com/tools/0xhashy-fathom-fyi/set-custom-strategy.md
- `set_portfolio_context` — Write — https://policylayer.com/tools/0xhashy-fathom-fyi/set-portfolio-context.md
- `set_signal_preferences` — Write — https://policylayer.com/tools/0xhashy-fathom-fyi/set-signal-preferences.md
- …and 1 more: https://policylayer.com/tools/0xhashy-fathom-fyi.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=0xhashy-fathom-fyi · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/0xhashy-fathom-fyi