added write functionalities ie, swap and transfer

2026-05-13 15:10:04 +00:00 · 2024-12-27 16:53:12 +05:30
parent ab9259d4e2
commit 3cdd45d623
13 changed files with 572 additions and 17 deletions
--- a/examples/agent-kit-langgraph/package.json
+++ b/examples/agent-kit-langgraph/package.json
@@ -6,7 +6,7 @@
  "type": "module",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
-    "dev": "node --loader ts-node/esm"
+    "dev": "tsx"
  },
  "keywords": [],
  "author": "",
@@ -16,10 +16,12 @@
    "@langchain/core": "^0.3.26",
    "@langchain/langgraph": "^0.2.36",
    "dotenv": "^16.4.7",
-    "solana-agent-kit": "^1.3.0"
+    "solana-agent-kit": "^1.3.0",
+    "zod": "^3.24.1"
  },
  "devDependencies": {
    "ts-node": "^10.9.2",
+    "tsx": "^4.19.2",
    "typescript": "^5.0.0"
  },
  "ts-node": {
--- a/examples/agent-kit-langgraph/pnpm-lock.yaml
+++ b/examples/agent-kit-langgraph/pnpm-lock.yaml
@@ -10,7 +10,7 @@ importers:
    dependencies:
      '@langchain/community':
        specifier: ^0.3.20
-        version: 0.3.20(@browserbasehq/sdk@2.0.0)(@browserbasehq/stagehand@1.8.0(@playwright/test@1.49.1)(bufferutil@4.0.8)(deepmerge@4.3.1)(dotenv@16.4.7)(openai@4.77.0(zod@3.24.1))(utf-8-validate@5.0.10)(zod@3.24.1))(@ibm-cloud/watsonx-ai@1.3.0)(@langchain/core@0.3.26(openai@4.77.0(zod@3.24.1)))(@langchain/groq@0.1.2(@langchain/core@0.3.26(openai@4.77.0(zod@3.24.1))))(axios@1.7.4)(ibm-cloud-sdk-core@5.1.0)(jsonwebtoken@9.0.2)(lodash@4.17.21)(openai@4.77.0(zod@3.24.1))(playwright@1.49.1)(ws@8.18.0(bufferutil@4.0.8)(utf-8-validate@5.0.10))
+        version: 0.3.20(@browserbasehq/sdk@2.0.0)(@browserbasehq/stagehand@1.8.0(@playwright/test@1.49.1)(bufferutil@4.0.8)(deepmerge@4.3.1)(dotenv@16.4.7)(openai@4.77.0(zod@3.24.1))(utf-8-validate@5.0.10)(zod@3.24.1))(@ibm-cloud/watsonx-ai@1.3.0)(@langchain/core@0.3.26(openai@4.77.0(zod@3.24.1)))(@langchain/groq@0.1.2(@langchain/core@0.3.26(openai@4.77.0(zod@3.24.1))))(axios@1.7.4)(ibm-cloud-sdk-core@5.1.0)(jsonwebtoken@9.0.2)(lodash@4.17.21)(openai@4.77.0(zod@3.24.1))(playwright@1.49.1)(ws@7.5.10(bufferutil@4.0.8)(utf-8-validate@5.0.10))
      '@langchain/core':
        specifier: ^0.3.26
        version: 0.3.26(openai@4.77.0(zod@3.24.1))
@@ -23,10 +23,16 @@ importers:
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        specifier: ^1.3.0
        version: 1.3.0(@noble/hashes@1.6.1)(axios@1.7.4)(borsh@2.0.0)(buffer@6.0.3)(bufferutil@4.0.8)(fastestsmallesttextencoderdecoder@1.0.22)(typescript@5.6.3)(utf-8-validate@5.0.10)(zod@3.24.1)
+      zod:
+        specifier: ^3.24.1
+        version: 3.24.1
    devDependencies:
      ts-node:
        specifier: ^10.9.2
        version: 10.9.2(@types/node@18.19.68)(typescript@5.6.3)
+      tsx:
+        specifier: ^4.19.2
+        version: 4.19.2
      typescript:
        specifier: ^5.0.0
        version: 5.6.3
@@ -82,6 +88,150 @@ packages:
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+    engines: {node: '>=18'}
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+    os: [win32]
+
  '@ethersproject/bytes@5.7.0':
    resolution: {integrity: sha512-nsbxwgFXWh9NyYWo+U8atvmMsSdKJprTcICAkvbBffT75qDocbuggBU0SJiVK2MuTrp0q+xvLkTnGMPK1+uA9A==}

@@ -1338,6 +1488,11 @@ packages:
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+  esbuild@0.23.1:
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+    engines: {node: '>=18'}
+    hasBin: true
+
  event-target-shim@5.0.1:
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    engines: {node: '>=6'}
@@ -1407,6 +1562,11 @@ packages:
    engines: {node: ^8.16.0 || ^10.6.0 || >=11.0.0}
    os: [darwin]

+  fsevents@2.3.3:
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+    engines: {node: ^8.16.0 || ^10.6.0 || >=11.0.0}
+    os: [darwin]
+
  function-bind@1.1.2:
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@@ -1414,6 +1574,9 @@ packages:
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    engines: {node: '>= 0.4'}

+  get-tsconfig@4.8.1:
+    resolution: {integrity: sha512-k9PN+cFBmaLWtVz29SkUoqU5O0slLuHJXt/2P+tMVFT+phsSGXGkp9t3rQIqdz0e+06EHNGs3oM6ZX1s2zHxRg==}
+
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@@ -1831,6 +1994,9 @@ packages:
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+  resolve-pkg-maps@1.0.0:
+    resolution: {integrity: sha512-seS2Tj26TBVOC2NIc2rOe2y2ZO7efxITtLZcGSOnHHNOQ7CkiUBfw0Iw2ck6xkIhPwLhKNLS8BO+hEpngQlqzw==}
+
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@@ -1953,6 +2119,11 @@ packages:
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+    engines: {node: '>=18.0.0'}
+    hasBin: true
+
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@@ -2207,6 +2378,78 @@ snapshots:
      tslib: 2.8.1
    optional: true

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+    optional: true
+
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+    optional: true
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+    optional: true
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+    optional: true
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+    optional: true
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+    optional: true
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+    optional: true
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+    optional: true
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+    optional: true
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+    optional: true
+
  '@ethersproject/bytes@5.7.0':
    dependencies:
      '@ethersproject/logger': 5.7.0
@@ -2311,7 +2554,7 @@ snapshots:
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      '@jridgewell/sourcemap-codec': 1.5.0

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+  '@langchain/community@0.3.20(@browserbasehq/sdk@2.0.0)(@browserbasehq/stagehand@1.8.0(@playwright/test@1.49.1)(bufferutil@4.0.8)(deepmerge@4.3.1)(dotenv@16.4.7)(openai@4.77.0(zod@3.24.1))(utf-8-validate@5.0.10)(zod@3.24.1))(@ibm-cloud/watsonx-ai@1.3.0)(@langchain/core@0.3.26(openai@4.77.0(zod@3.24.1)))(@langchain/groq@0.1.2(@langchain/core@0.3.26(openai@4.77.0(zod@3.24.1))))(axios@1.7.4)(ibm-cloud-sdk-core@5.1.0)(jsonwebtoken@9.0.2)(lodash@4.17.21)(openai@4.77.0(zod@3.24.1))(playwright@1.49.1)(ws@7.5.10(bufferutil@4.0.8)(utf-8-validate@5.0.10))':
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@@ -2333,7 +2576,7 @@ snapshots:
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      playwright: 1.49.1
-      ws: 8.18.0(bufferutil@4.0.8)(utf-8-validate@5.0.10)
+      ws: 7.5.10(bufferutil@4.0.8)(utf-8-validate@5.0.10)
    transitivePeerDependencies:
      - '@langchain/anthropic'
      - '@langchain/aws'
@@ -3324,6 +3567,33 @@ snapshots:
    dependencies:
      es6-promise: 4.2.8

+  esbuild@0.23.1:
+    optionalDependencies:
+      '@esbuild/aix-ppc64': 0.23.1
+      '@esbuild/android-arm': 0.23.1
+      '@esbuild/android-arm64': 0.23.1
+      '@esbuild/android-x64': 0.23.1
+      '@esbuild/darwin-arm64': 0.23.1
+      '@esbuild/darwin-x64': 0.23.1
+      '@esbuild/freebsd-arm64': 0.23.1
+      '@esbuild/freebsd-x64': 0.23.1
+      '@esbuild/linux-arm': 0.23.1
+      '@esbuild/linux-arm64': 0.23.1
+      '@esbuild/linux-ia32': 0.23.1
+      '@esbuild/linux-loong64': 0.23.1
+      '@esbuild/linux-mips64el': 0.23.1
+      '@esbuild/linux-ppc64': 0.23.1
+      '@esbuild/linux-riscv64': 0.23.1
+      '@esbuild/linux-s390x': 0.23.1
+      '@esbuild/linux-x64': 0.23.1
+      '@esbuild/netbsd-x64': 0.23.1
+      '@esbuild/openbsd-arm64': 0.23.1
+      '@esbuild/openbsd-x64': 0.23.1
+      '@esbuild/sunos-x64': 0.23.1
+      '@esbuild/win32-arm64': 0.23.1
+      '@esbuild/win32-ia32': 0.23.1
+      '@esbuild/win32-x64': 0.23.1
+
  event-target-shim@5.0.1: {}

  eventemitter3@4.0.7: {}
@@ -3380,6 +3650,9 @@ snapshots:
  fsevents@2.3.2:
    optional: true

+  fsevents@2.3.3:
+    optional: true
+
  function-bind@1.1.2: {}

  get-intrinsic@1.2.6:
@@ -3395,6 +3668,10 @@ snapshots:
      hasown: 2.0.2
      math-intrinsics: 1.1.0

+  get-tsconfig@4.8.1:
+    dependencies:
+      resolve-pkg-maps: 1.0.0
+
  gopd@1.2.0: {}

  graceful-fs@4.2.11:
@@ -3835,6 +4112,8 @@ snapshots:

  requires-port@1.0.0: {}

+  resolve-pkg-maps@1.0.0: {}
+
  retry-axios@2.6.0(axios@1.7.4):
    dependencies:
      axios: 1.7.4(debug@4.4.0)
@@ -4046,6 +4325,13 @@ snapshots:

  tslib@2.8.1: {}

+  tsx@4.19.2:
+    dependencies:
+      esbuild: 0.23.1
+      get-tsconfig: 4.8.1
+    optionalDependencies:
+      fsevents: 2.3.3
+
  tweetnacl@1.0.3: {}

  typedoc@0.26.11(typescript@5.6.3):
--- a/examples/agent-kit-langgraph/src/agents/generalAgent.ts
+++ b/examples/agent-kit-langgraph/src/agents/generalAgent.ts
@@ -1,8 +1,7 @@
 import { createReactAgent } from "@langchain/langgraph/prebuilt";
-import { gpt4o } from "../utils/model.js";
-import { solanaAgentState } from "../utils/state.js";
+import { gpt4o } from "../utils/model";
+import { solanaAgentState } from "../utils/state";
 import { TavilySearchResults } from "@langchain/community/tools/tavily_search";
-import { HumanMessage } from "@langchain/core/messages";

 // Initialize tools array
 const searchTools = [];
@@ -12,7 +11,7 @@ if (process.env.TAVILY_API_KEY) {
  searchTools.push(new TavilySearchResults());
 }

-export const generalAgent = createReactAgent({
+const generalAgent = createReactAgent({
  llm: gpt4o,
  tools: searchTools,
 });
@@ -24,9 +23,3 @@ export const generalistNode = async (state: typeof solanaAgentState.State) => {

  return { messages: [...result.messages] };
 };
-
-const messages = [new HumanMessage("What is the best way to buy SOL?")];
-
-const result = await generalAgent.invoke({ messages });
-
-console.log(result.messages);
--- a/examples/agent-kit-langgraph/src/agents/manager.ts
+++ b/examples/agent-kit-langgraph/src/agents/manager.ts
@@ -0,0 +1,23 @@
+import { prompt, parser } from "../prompts/manager";
+import { RunnableSequence } from "@langchain/core/runnables";
+import { solanaAgentState } from "../utils/state";
+import { gpt4o } from "../utils/model";
+
+const chain = RunnableSequence.from([prompt, gpt4o, parser]);
+
+export const managerNode = async (state: typeof solanaAgentState.State) => {
+  const { messages } = state;
+
+  const result = await chain.invoke({
+    formatInstructions: parser.getFormatInstructions(),
+    messages: messages,
+  });
+
+  const { isSolanaReadQuery, isSolanaWriteQuery, isGeneralQuery } = result;
+
+  return {
+    isSolanaReadQuery,
+    isSolanaWriteQuery,
+    isGeneralQuery,
+  };
+};
--- a/examples/agent-kit-langgraph/src/agents/transferOrSwap.ts
+++ b/examples/agent-kit-langgraph/src/agents/transferOrSwap.ts
@@ -0,0 +1,25 @@
+import { gpt4o } from "../utils/model";
+import { agentKit } from "../utils/solanaAgent";
+import { solanaAgentState } from "../utils/state";
+import { createReactAgent } from "@langchain/langgraph/prebuilt";
+import { SolanaTransferTool } from "solana-agent-kit/dist/langchain";
+import { transferSwapPrompt } from "../prompts/transferSwap";
+import { swapTool } from "../tools/swap";
+
+const transferOrSwapAgent = createReactAgent({
+  stateModifier: transferSwapPrompt,
+  llm: gpt4o,
+  tools: [new SolanaTransferTool(agentKit), swapTool],
+});
+
+export const transferSwapNode = async (
+  state: typeof solanaAgentState.State,
+) => {
+  const { messages } = state;
+
+  const result = await transferOrSwapAgent.invoke({
+    messages,
+  });
+
+  return result;
+};
--- a/examples/agent-kit-langgraph/src/helper/examples.ts
+++ b/examples/agent-kit-langgraph/src/helper/examples.ts
@@ -0,0 +1,5 @@
+import { HumanMessage } from "@langchain/core/messages";
+
+export const generalQuestion = [
+  new HumanMessage("Who is the president of Ecuador?"),
+];
--- a/examples/agent-kit-langgraph/src/helper/tokenList.ts
+++ b/examples/agent-kit-langgraph/src/helper/tokenList.ts
@@ -0,0 +1,50 @@
+export const tokenList = [
+  {
+    name: "USDC",
+    ticker: "USDC",
+    decimal: 6,
+    mintAddress: "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
+  },
+  {
+    name: "USDT",
+    ticker: "USDT",
+    decimal: 6,
+    mintAddress: "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
+  },
+  {
+    name: "USDS",
+    ticker: "USDS",
+    decimal: 6,
+    mintAddress: "USDSwr9ApdHk5bvJKMjzff41FfuX8bSxdKcR81vTwcA",
+  },
+  {
+    name: "SOL",
+    ticker: "SOL",
+    decimal: 9,
+    mintAddress: "So11111111111111111111111111111111111111112",
+  },
+  {
+    name: "jitoSOL",
+    ticker: "jitoSOL",
+    decimal: 9,
+    mintAddress: "J1toso1uCk3RLmjorhTtrVwY9HJ7X8V9yYac6Y7kGCPn",
+  },
+  {
+    name: "bSOL",
+    ticker: "bSOL",
+    decimal: 9,
+    mintAddress: "bSo13r4TkiE4KumL71LsHTPpL2euBYLFx6h9HP3piy1",
+  },
+  {
+    name: "mSOL",
+    ticker: "mSOL",
+    decimal: 9,
+    mintAddress: "mSoLzYCxHdYgdzU16g5QSh3i5K3z3KZK7ytfqcJm7So",
+  },
+  {
+    name: "BONK",
+    ticker: "BONK",
+    decimal: 9,
+    mintAddress: "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263",
+  },
+];
--- a/examples/agent-kit-langgraph/src/index.ts
+++ b/examples/agent-kit-langgraph/src/index.ts
@@ -1,6 +1,25 @@
 import { StateGraph } from "@langchain/langgraph";
 import { solanaAgentState } from "./utils/state";
+import { generalistNode } from "./agents/generalAgent";
+import { transferSwapNode } from "./agents/transferOrSwap";
+import { managerNode } from "./agents/manager";
+import { START, END } from "@langchain/langgraph";
+import { managerRouter } from "./utils/route";
+import { HumanMessage } from "@langchain/core/messages";

-const workflow = new StateGraph(solanaAgentState);
+const workflow = new StateGraph(solanaAgentState)
+  .addNode("generalist", generalistNode)
+  .addNode("manager", managerNode)
+  .addNode("transferSwap", transferSwapNode)
+  .addEdge(START, "manager")
+  .addConditionalEdges("manager", managerRouter)
+  .addEdge("generalist", END)
+  .addEdge("transferSwap", END);

 export const graph = workflow.compile();
+
+const result = await graph.invoke({
+  messages: [new HumanMessage("swap 0.1 usdc to sol")],
+});
+
+console.log(result);
--- a/examples/agent-kit-langgraph/src/prompts/manager.ts
+++ b/examples/agent-kit-langgraph/src/prompts/manager.ts
@@ -0,0 +1,48 @@
+import { StructuredOutputParser } from "@langchain/core/output_parsers";
+import { z } from "zod";
+import { PromptTemplate } from "@langchain/core/prompts";
+
+export const parser = StructuredOutputParser.fromZodSchema(
+  z.object({
+    isSolanaReadQuery: z
+      .boolean()
+      .describe("Query requires reading data from Solana blockchain"),
+    isSolanaWriteQuery: z
+      .boolean()
+      .describe("Query requires writing/modifying data on Solana blockchain"),
+    isGeneralQuery: z
+      .boolean()
+      .describe("Query is about non-blockchain topics"),
+  }),
+);
+
+export const prompt = PromptTemplate.fromTemplate(
+  `
+    You are the Chief Routing Officer for a multi-blockchain agent network. Your role is to:
+    1. Analyze and classify incoming queries
+    2. Determine if the query requires Solana read operations, write operations, or is general
+
+    Format your response according to:
+    {formatInstructions}
+
+    Classification Guidelines:
+    - Solana Read Operations include: 
+      * Checking account balances
+      * Viewing NFT metadata
+      * Getting program data
+      * Querying transaction history
+      * Checking token prices or holdings
+    - Solana Write Operations include:
+      * Creating or updating programs
+      * Sending tokens or SOL
+      * Minting NFTs
+      * Creating accounts
+      * Any transaction that modifies blockchain state
+    - General queries include: 
+      * Non-blockchain topics
+      * Internet searches
+      * General knowledge questions
+
+    \n {messages} \n
+    `,
+);
--- a/examples/agent-kit-langgraph/src/prompts/transferSwap.ts
+++ b/examples/agent-kit-langgraph/src/prompts/transferSwap.ts
@@ -0,0 +1,43 @@
+import {
+  ChatPromptTemplate,
+  MessagesPlaceholder,
+} from "@langchain/core/prompts";
+import { tokenList } from "../helper/tokenList";
+
+// Convert token list to a more readable format for the prompt
+const formattedTokenList = tokenList
+  .map(
+    (token) =>
+      `- ${token.name} (${token.ticker}) - Decimals: ${token.decimal} - Address: ${token.mintAddress}`,
+  )
+  .join("\n    ");
+
+export const transferSwapPrompt = ChatPromptTemplate.fromMessages([
+  [
+    "system",
+    `You are an agent that is an expert in Solana transactions, specialized in token transfers and swaps. You can execute these transactions using the available tools based on user input.
+
+    When processing token amounts:
+    1. Use EXACTLY the decimal amount specified by the user without any modifications
+    2. Do not round or adjust the numbers
+    3. Maintain precise decimal places as provided in the user input
+
+    For transfers:
+    - User must specify the token, amount, and recipient address
+    - The same token will be used for input and output
+
+    For swaps:
+    - User must specify the input token, output token, and amount to swap
+    - Input and output tokens must be different
+    - Select tokens from this list of supported tokens:
+
+    ${formattedTokenList}
+
+    Example amounts:
+    If you say "0.01 SOL", I will use exactly 0.01 (not 0.010 or 0.0100)
+    If you say "1.234 USDC", I will use exactly 1.234 (not 1.23 or 1.2340)
+    For swaps, have the slippage be 200 bps
+    `,
+  ],
+  new MessagesPlaceholder("messages"),
+]);
--- a/examples/agent-kit-langgraph/src/tools/swap.ts
+++ b/examples/agent-kit-langgraph/src/tools/swap.ts
@@ -0,0 +1,45 @@
+import { agentKit } from "../utils/solanaAgent";
+import { tool } from "@langchain/core/tools";
+import { z } from "zod";
+import { PublicKey } from "@solana/web3.js";
+
+export const swapTool = tool(
+  async ({ outputMint, inputAmount, inputMint, inputDecimal }) => {
+    try {
+      const inputAmountWithDecimals = inputAmount * 10 ** inputDecimal;
+      const outputMintAddress = new PublicKey(outputMint);
+      const inputMintAddress = new PublicKey(inputMint);
+
+      console.log(inputAmountWithDecimals, outputMintAddress, inputMintAddress);
+      const tx = await agentKit.trade(
+        outputMintAddress,
+        inputAmountWithDecimals,
+        inputMintAddress,
+        200,
+      );
+      return tx;
+    } catch (error) {
+      console.error(error);
+      return "error";
+    }
+  },
+  {
+    name: "swap",
+    description:
+      "call to swap/trade tokens from one token to the other using Jupiter exchange",
+    schema: z.object({
+      outputMint: z
+        .string()
+        .describe("The mint address of destination token to be swapped to"),
+      inputAmount: z
+        .number()
+        .describe(
+          "the input amount of the token to be swapped without adding any decimals",
+        ),
+      inputMint: z.string().describe("The mint address of the origin token "),
+      inputDecimal: z
+        .number()
+        .describe("The decimal of the input token that is being traded"),
+    }),
+  },
+);
--- a/examples/agent-kit-langgraph/src/utils/route.ts
+++ b/examples/agent-kit-langgraph/src/utils/route.ts
@@ -0,0 +1,14 @@
+import { solanaAgentState } from "./state";
+import { END } from "@langchain/langgraph";
+
+export const managerRouter = (state: typeof solanaAgentState.State) => {
+  const { isSolanaReadQuery, isSolanaWriteQuery, isGeneralQuery } = state;
+
+  if (isGeneralQuery) {
+    return "generalist";
+  } else if (isSolanaWriteQuery) {
+    return "transferSwap";
+  } else {
+    return END;
+  }
+};
--- a/examples/agent-kit-langgraph/src/utils/solanaAgent.ts
+++ b/examples/agent-kit-langgraph/src/utils/solanaAgent.ts
@@ -1,7 +1,9 @@
-import { SolanaAgentKit } from "solana-agent-kit";
+import { SolanaAgentKit, createSolanaTools } from "solana-agent-kit";

 export const agentKit = new SolanaAgentKit(
  process.env.SOLANA_PRIVATE_KEY!,
  process.env.RPC_URL!,
  process.env.OPENAI_API_KEY!,
 );
+
+export const solanaTools = createSolanaTools(agentKit);