menese_swap

Instructions

Implementation Reference

• src/tools/swap.ts:15-74 (registration)

  The registerSwapTool function contains the server.registerTool definition for "menese_swap".

  export function registerSwapTool(
    server: McpServer,
    store: IdentityStore,
    config: MeneseConfig,
  ): void {
    server.registerTool(
      "menese_swap",
      {
        description:
          "Swap tokens via DEX on supported chains. " +
          "EVM: Uniswap V3 | Solana: Raydium | ICP: ICPSwap/KongSwap | SUI: Cetus | " +
          "Cardano: Minswap | XRP: XRPL DEX.",
        inputSchema: {
          chain: z.enum(SUPPORTED_CHAINS as unknown as [string, ...string[]]).describe("Chain to swap on"),
          fromToken: z.string().describe("Source token symbol or address"),
          toToken: z.string().describe("Destination token symbol or address"),
          amount: z.string().describe("Amount of fromToken to swap (decimal)"),
          slippageBps: z.number().min(1).max(5000).optional()
            .describe("Slippage tolerance in basis points (default 250 = 2.5%)"),
          mode: z.enum(["quote", "execute"]).optional()
            .describe("'quote' to preview swap, 'execute' to swap. Default: execute"),
        },
      },
      async ({ chain, fromToken, toToken, amount, slippageBps, mode }) => {
        const identity = store.get();
        if (!identity) {
          return { content: [{ type: "text" as const, text: "No wallet configured. Use menese_setup first." }], isError: true };
        }
  
        const guard = checkGuard("menese_swap", { chain, fromToken, toToken, amount, slippageBps, mode }, config);
        if (!guard.allowed) {
          return { content: [{ type: "text" as const, text: guard.reason! }], isError: true };
        }
  
        if (mode === "quote") {
          return {
            content: [{
              type: "text" as const,
              text: `Ready to swap ${amount} ${fromToken} → ${toToken} on ${chain} (slippage: ${slippageBps ?? 250}bps). Call again with mode "execute" to confirm.`,
            }],
          };
        }
  
        const result = await swapTokensOnChain(config, resolveActorIdentity(store), {
          chain, fromToken, toToken, amount, slippageBps,
        });
  
        if (result.ok) {
          invalidateBalanceCaches(store.getPrincipal()!);
        }
  
        return {
          content: [{
            type: "text" as const,
            text: JSON.stringify(result, bigIntReplacer, 2),
          }],
        };
      },
    );
  }

• src/tools/swap.ts:38-72 (handler)

  The async handler function for "menese_swap", which processes quotes and executes swaps.

  async ({ chain, fromToken, toToken, amount, slippageBps, mode }) => {
    const identity = store.get();
    if (!identity) {
      return { content: [{ type: "text" as const, text: "No wallet configured. Use menese_setup first." }], isError: true };
    }
  
    const guard = checkGuard("menese_swap", { chain, fromToken, toToken, amount, slippageBps, mode }, config);
    if (!guard.allowed) {
      return { content: [{ type: "text" as const, text: guard.reason! }], isError: true };
    }
  
    if (mode === "quote") {
      return {
        content: [{
          type: "text" as const,
          text: `Ready to swap ${amount} ${fromToken} → ${toToken} on ${chain} (slippage: ${slippageBps ?? 250}bps). Call again with mode "execute" to confirm.`,
        }],
      };
    }
  
    const result = await swapTokensOnChain(config, resolveActorIdentity(store), {
      chain, fromToken, toToken, amount, slippageBps,
    });
  
    if (result.ok) {
      invalidateBalanceCaches(store.getPrincipal()!);
    }
  
    return {
      content: [{
        type: "text" as const,
        text: JSON.stringify(result, bigIntReplacer, 2),
      }],
    };
  },

• src/tools/swap.ts:27-36 (schema)

  The inputSchema definition for "menese_swap" using Zod.

  inputSchema: {
    chain: z.enum(SUPPORTED_CHAINS as unknown as [string, ...string[]]).describe("Chain to swap on"),
    fromToken: z.string().describe("Source token symbol or address"),
    toToken: z.string().describe("Destination token symbol or address"),
    amount: z.string().describe("Amount of fromToken to swap (decimal)"),
    slippageBps: z.number().min(1).max(5000).optional()
      .describe("Slippage tolerance in basis points (default 250 = 2.5%)"),
    mode: z.enum(["quote", "execute"]).optional()
      .describe("'quote' to preview swap, 'execute' to swap. Default: execute"),
  },