GrelfSwap

Trade tokens and manage assets on the Hedera network through direct integration with SaucerSwap and MemeJob.

CommunityOnlineNo sign-inGlobalFreeRead-only

What it can do

  • Get Status: GET /status — Check GrelfSwap API availability. Returns supported features, contract addresses, and SDK link. No wallet needed.
  • Get Prices: GET /prices — Get current USD prices for one or more Hedera tokens. No wallet needed.
  • Get Quote: GET /quote — Preview a swap quote before executing. Shows expected output, price impact, route, and fees. No wallet needed (wallet optional for prerequisite checks).

What data it sees

Do you need an account

No: the server works without sign-in

Trade tokens and manage assets on the Hedera network through direct integration with SaucerSwap and MemeJob. Execute advanced order types like limit and DCA orders while monitoring real-time prices and wallet balances. Simplify blockchain interactions by automating token associations and transaction signing preparations.

How to connect

How to connect GrelfSwap to Claude

The server address to paste into Claude settings:

https://hedera-dex--grelfswap.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect GrelfSwap to ChatGPT

The server address to paste into ChatGPT settings:

https://hedera-dex--grelfswap.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect GrelfSwap to Cursor

The server address to paste into Cursor settings:

https://hedera-dex--grelfswap.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (16)

Raw names from tools/list. Only developers need these.

get_statusGET /status — Check GrelfSwap API availability. Returns supported features, contract addresses, and SDK link. No wallet needed.
get_pricesGET /prices — Get current USD prices for one or more Hedera tokens. No wallet needed.
get_quoteGET /quote — Preview a swap quote before executing. Shows expected output, price impact, route, and fees. No wallet needed (wallet optional for prerequisite checks).
get_skillGET /skill — Get the complete SKILL.md API documentation as markdown text. Comprehensive reference for all endpoints. No wallet needed.
get_sdkGET /sdk.js — Get the hosted JavaScript signing helper SDK. Provides functions for signing and submitting Hedera transactions. No wallet needed.
get_balancesGET /balances — Get token balances for a Hedera wallet, grouped by source (HBAR, SaucerSwap, MemeJob). Zero balances filtered out. Requires wallet address.
execute_swapPOST /swap — Execute a token swap on Hedera via SaucerSwap or MemeJob. Returns unsigned transaction bytes to sign and submit. Requires wallet. Supports batch mode (HIP-551) for atomic multi-step swaps.
associate_tokenPOST /associate — Associate a token with a Hedera wallet. Required before receiving any HTS token. Returns unsigned transaction bytes to sign.
approve_allowancePOST /approve — Approve token spending allowance for GrelfSwap contracts. Required before swaps for HTS tokens (not needed for HBAR). Returns unsigned transaction bytes to sign.
transfer_tokensPOST /transfer — Transfer HBAR or HTS tokens between Hedera accounts. Returns unsigned transaction bytes to sign.
create_hcs_topicPOST /hcs/topic — Create a Hedera Consensus Service (HCS) topic. Returns unsigned transaction bytes to sign.
send_hcs_messagePOST /hcs/message — Send a message to an existing HCS topic. Returns unsigned transaction bytes to sign.
create_smart_orderPOST /smart-order — Create a limit order or DCA order on GrelfSwap. Supports four strategies: take profit, stop loss, buy cheaper, chase momentum. Requires wallet.
get_smart_ordersGET /smart-orders — List all smart orders (limit + DCA) for a wallet. Requires wallet address.
get_smart_orderGET /smart-order/:id — Get details of a specific smart order by ID. Requires wallet address for ownership verification.
cancel_smart_orderDELETE /smart-order/:id — Cancel an active smart order. Requires wallet address for ownership verification.