# Flash MCP server

Agent View of the PolicyLayer registry record for Flash: identity, probed posture, risk grade, and all 8 tools classified. HTML page: https://policylayer.com/tools/definitive-fi-flash-mcp

## Facts

- Server id: `@definitive-fi/flash-mcp`
- Install: `npx -y @definitive-fi/flash-mcp`
- Homepage: https://www.npmjs.com/package/@definitive-fi/flash-mcp
- Registry record: grade F, identity unverified
- Lifecycle: active
- Rate-limited: no
- Tools: 8 (7 with introspected schema)
- Tool categories present: Destructive, Read, Write
- Context-window cost: 2525 tokens per request — https://policylayer.com/token-cost/definitive-fi-flash-mcp
- Tags: definitive fi flash mcp, admin
- Record last modified: 2026-07-17T22:48:45.925Z

## Tools (8)

| Tool | Category | Risk | Record |
| --- | --- | --- | --- |
| `flash_cancel_order` | Destructive | Critical | https://policylayer.com/tools/definitive-fi-flash-mcp/flash-cancel-order.md |
| `flash_submit_order` | Financial | Critical | https://policylayer.com/tools/definitive-fi-flash-mcp/flash-submit-order.md |
| `flash_balances` | Read | Low | https://policylayer.com/tools/definitive-fi-flash-mcp/flash-balances.md |
| `flash_get_order` | Read | Low | https://policylayer.com/tools/definitive-fi-flash-mcp/flash-get-order.md |
| `flash_list_orders` | Read | Low | https://policylayer.com/tools/definitive-fi-flash-mcp/flash-list-orders.md |
| `flash_quote` | Read | Low | https://policylayer.com/tools/definitive-fi-flash-mcp/flash-quote.md |
| `flash_status` | Read | Low | https://policylayer.com/tools/definitive-fi-flash-mcp/flash-status.md |
| `flash_setup` | Write | Medium | https://policylayer.com/tools/definitive-fi-flash-mcp/flash-setup.md |

## Tool descriptions

- `flash_cancel_order` — Cancel a resting order (limit/twap/trigger). Signs the cancel message with your funder wallet. Requires the funder private key for the order's chain.
- `flash_submit_order` — Execute a trade end to end: fetch a fresh quote, send any required wrap/approve transactions, sign the order with your funder wallet, and submit it. For market orders it polls until the order fills (or times out). Requires an API key and…
- `flash_balances` — Fetch native and token balances for a wallet, using the built-in per-chain public RPCs (or configured overrides) — no external RPC lookup needed. Defaults to the configured funder wallet. Read-only; works without an API key. Omitting tok…
- `flash_get_order` — Fetch the status, fills, and details of a single order by id.
- `flash_list_orders` — List recent orders for a funder wallet. Defaults to the configured EVM wallet if no address is given.
- `flash_quote` — Price a trade across 200+ liquidity sources without executing. Returns the spend/receive amounts and estimated fees. Does not require a wallet.
- `flash_status` — Show which credentials and wallets are configured, and the supported chains.
- `flash_setup` — Connect a Definitive account for trading on Flash. The primary setup path is the interactive wizard the user runs in their OWN terminal — npx -y @definitive-fi/flash-mcp setup — which handles the API key, funder wallets, and RPCs; direct…

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## 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=definitive-fi-flash-mcp · API: https://policylayer.com/registry/api · Recommended policies for every tool: https://policylayer.com/policies/definitive-fi-flash-mcp