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acarchidi

AgentForge

by acarchidi
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TypeScript
Remote

agentforge-tools

DeFi safety tools for AI agents, paid per call in USDC over x402 — no API keys, no accounts.

  • Simulate a transaction before signing — reverts, every asset leaving the wallet, approvals granted, counterparty screening → proceed / caution / avoid ($0.005)

  • Screen counterparties — OFAC sanctions, scam/phishing wallets, fresh address-poisoning wallets, 1-100 per call ($0.003 + $0.001/extra)

  • Check a token before buying — rug-check metrics + AI risk + gas, with a verdict ($0.025)

  • New launches, already risk-scored — Base, Ethereum, Arbitrum; poll with since ($0.005)

  • Batch rug checks — 2-25 tokens per call ($0.004/token)

  • Liquidation risk — Aave v3 on five chains in one call ($0.003)

Ready-made tools for OpenAI function calling, Vercel AI SDK (agentforge-tools/ai-sdk), LangChain, and ElizaOS (agentforge-tools/eliza). Payments come from a Base wallet holding USDC (gasless — x402 uses signed authorizations), with a per-call spending cap.

npm install agentforge-tools

Quick start

import { AgentForge } from 'agentforge-tools';

const af = new AgentForge({
  privateKey: process.env.AGENT_PRIVATE_KEY as `0x${string}`, // Base wallet with a little USDC
  maxPaymentUsd: 0.1, // refuse any single payment above $0.10
});

const sim = await af.simulateTransaction({
  chain: 'base',
  from: '0xYourWallet',
  transactions: [{ to: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913', data: '0xa9059cbb…' }],
});
if (sim.verdict === 'avoid') throw new Error(`Refusing to sign: ${sim.reasons}`);

const { results } = await af.checkAddresses({ addresses: [{ address: '0xRecipient', chain: 'base' }] });

Already have an x402 fetch (e.g. a CDP wallet)? Pass it instead: new AgentForge({ fetch: myPayingFetch }).

Related MCP server: contract-guard-mcp

OpenAI function calling

import OpenAI from 'openai';
import { AgentForge, agentForgeTools, toOpenAITools, runAgentForgeTool } from 'agentforge-tools';

const tools = agentForgeTools(new AgentForge({ privateKey: KEY }));
const res = await new OpenAI().chat.completions.create({ model, messages, tools: toOpenAITools(tools) });
for (const call of res.choices[0].message.tool_calls ?? []) {
  const output = await runAgentForgeTool(tools, call.function.name, call.function.arguments);
  messages.push({ role: 'tool', tool_call_id: call.id, content: output });
}

Vercel AI SDK

import { generateText } from 'ai';
import { agentForgeAiSdkTools } from 'agentforge-tools/ai-sdk';

const { text } = await generateText({
  model,
  tools: agentForgeAiSdkTools({ privateKey: process.env.AGENT_KEY as `0x${string}`, maxPaymentUsd: 0.1 }),
  prompt: 'Simulate sending 50 USDC on Base from 0xMyWallet to 0xRecipient. Is it safe?',
});

LangChain (JS)

import { DynamicStructuredTool } from '@langchain/core/tools';
import { AgentForge, agentForgeTools } from 'agentforge-tools';

const tools = agentForgeTools(new AgentForge({ privateKey: KEY })).map(
  (t) => new DynamicStructuredTool({ name: t.name, description: t.description, schema: t.parameters as any,
    func: async (args) => JSON.stringify(await t.execute(args)) }),
);

ElizaOS

import { agentForgePlugin } from 'agentforge-tools/eliza';
// character: plugins: [agentForgePlugin]
// settings.secrets: AGENTFORGE_PRIVATE_KEY, optional AGENTFORGE_MAX_PAYMENT_USD (default 0.5)

No wallet? Use MCP (free up to a daily cap)

Every tool is also an MCP server at https://agentforge-taupe.vercel.app/mcp (Streamable HTTP, no auth; listed in the official MCP Registry as io.github.acarchidi/agentforge).

claude mcp add --transport http agentforge https://agentforge-taupe.vercel.app/mcp

Cursor / Windsurf / Claude Desktop / ElizaOS MCP plugin: add an HTTP MCP server with the same URL.

Links

MIT licensed.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

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ResponsivenessNo issues

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