BlazePhoenix MCP

Prepare an on-chain quote

prepare_quote

Read-onlyIdempotent

Prepare an on-chain BlazePhoenix quote to run on YOUR OWN RPC. Returns the exact eth_call (Quoter address + calldata, as a ready JSON-RPC request and a curl line) plus a request object. Run the call on your node, then pass request and the result hex to decode_quote. This server performs no RPC.

Input Schema

TableJSON Schema

Name	Required	Description
`in`	Yes	input token — 0x address, or ETH / WETH / USDC / BZPX
`out`	Yes	output token — 0x address, or ETH / WETH / USDC / BZPX
`chain`	Yes	base \| eth \| optimism \| arbitrum \| robinhood (or a chain id)
`exact`	No	true → previewPlanExact: every leg dry-run on its pool in this block (no calldata). No tokens move from a holder, so a token that blocks or taxes its own transfer still quotes; simulate the swap from the holder to test that
`version`	No	protocol version: latest (default) \| 1 \| 2 \| 2.0.0
`amountIn`	Yes	input amount in base units (wei-style integer string)
`recipient`	No	optional 0x address; with it, decode_quote returns signable calldata
`userMinOut`	No	optional explicit minimum output, base units
`deadlineSec`	No	deadline horizon in seconds, 10–3600 (default 120)
`slippageBps`	No	0–5000 (default 50); never below the on-chain floor

Output Schema

TableJSON Schema

Name	Required	Description
`ok`	Yes	false: see code, error
`call`	No
`code`	No
`curl`	No
`mode`	No
`note`	No
`error`	No
`decode`	No
`chainId`	No
`request`	No
`contracts`	No
`rpcRequest`	No
`protocolVersion`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 12, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "call": {
+      "type": "object"
+    },
+    "chainId": {
+      "type": "integer"
+    },
+    "code": {
+      "type": "string"
+    },
+    "contracts": {
+      "type": "object"
+    },
+    "curl": {
+      "type": "string"
+    },
+    "decode": {
+      "type": "object"
+    },
+    "error": {
+      "type": "string"
+    },
+    "mode": {
+      "const": "prepare"
+    },
+    "note": {
+      "type": "string"
+    },
+    "ok": {
+      "description": "false: see code, error",
+      "type": "boolean"
+    },
+    "protocolVersion": {
+      "type": "string"
+    },
+    "request": {
+      "type": "object"
+    },
+    "rpcRequest": {
+      "type": "object"
+    }
+  },
+  "required": [
+    "ok"
+  ],
+  "type": "object"
+}

Changed1 schema field changedOct 11, 2026

changedInput schema / properties / exact / description

Previous value: -"true → previewPlanExact (execution-grade dry-run, no calldata)"New value: +"true → previewPlanExact: every leg dry-run on its pool in this block (no calldata). No tokens move from a holder, so a token that blocks or taxes its own transfer still quotes; simulate the swap from the holder to test that"

AddedSep 25, 2026
RemovedSep 25, 2026
AddedSep 25, 2026

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