# q402_bridge_history

READ-ONLY GUIDANCE TOOL - bridge history via MCP is not yet wired in this release. It

Agent View of the PolicyLayer registry record for `q402_bridge_history`. HTML page: https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-bridge-history

## Facts

- Tool: `q402_bridge_history`
- Server: Q402 Mcp (`@quackai/q402-mcp`) — https://policylayer.com/tools/io-github-bitgett-q402-mcp.md
- Install: `npx -y @quackai/q402-mcp`
- Homepage: https://github.com/bitgett/q402-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": "q402_bridge_history",
    "arguments": {}
  }
}
```

## Why q402_bridge_history is rated Low

This is a read-only operation that queries bridge transaction history. It retrieves data without modifying, deleting, or executing any financial transactions. The explicit 'READ-ONLY' label and incomplete implementation ('not yet wired') further confirm it poses minimal risk—it cannot initiate payments, transfers, or destructive actions.

From the tool's own definition: "Tool name q402_bridge_history and description explicitly state 'READ-ONLY GUIDANCE TOOL' and 'bridge history via MCP is not yet wired in this release.' The tool only retrieves historical data with no side effects."

## Use case

AI agents call q402_bridge_history to retrieve information from Q402 Mcp 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 Q402 Mcp:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "q402_bridge_history": {}
  }
}
```

## Other tools on Q402 Mcp (40)

- `q402_clear_delegation` — Destructive — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-clear-delegation.md
- `q402_redstone_trigger_cancel` — Destructive — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-redstone-trigger-cancel.md
- `q402_bridge_send` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-bridge-send.md
- `q402_escrow_create` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-escrow-create.md
- `q402_escrow_dispute` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-escrow-dispute.md
- `q402_escrow_lock` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-escrow-lock.md
- `q402_escrow_refund` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-escrow-refund.md
- `q402_escrow_release` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-escrow-release.md
- `q402_oft_send` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-oft-send.md
- `q402_pay` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-pay.md
- `q402_recurring_cancel` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-recurring-cancel.md
- `q402_recurring_resume` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-recurring-resume.md
- `q402_redstone_trigger_create` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-redstone-trigger-create.md
- `q402_request_pay` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-request-pay.md
- `q402_stake` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-stake.md
- `q402_unstake` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-unstake.md
- `q402_yield_deposit` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-yield-deposit.md
- `q402_yield_withdraw` — Financial — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-yield-withdraw.md
- `q402_agent_spend_report` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-agent-spend-report.md
- `q402_agentic_info` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-agentic-info.md
- `q402_balance` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-balance.md
- `q402_bridge_gas_tank` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-bridge-gas-tank.md
- `q402_bridge_quote` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-bridge-quote.md
- `q402_doctor` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-doctor.md
- `q402_escrow_status` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-escrow-status.md
- `q402_memory_summary` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-memory-summary.md
- `q402_oft_history` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-oft-history.md
- `q402_oft_quote` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-oft-quote.md
- `q402_quote` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-quote.md
- `q402_receipt` — Read — https://policylayer.com/tools/io-github-bitgett-q402-mcp/q402-receipt.md
- …and 10 more: https://policylayer.com/tools/io-github-bitgett-q402-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=io-github-bitgett-q402-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-bitgett-q402-mcp