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Connect Ethereum ABI Encoder/Decoder to ChatGPT and Claude

Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Handle smart contract calldata with mathematical precision.

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Your AI does the work. We keep it safe and sound.

No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.

Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

A futuristic MCP client docking bay
V8 Isolate01

Each Connector runs inside its own sealed environment.

Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.

Kill Switch02

One switch stops every agent. Instantly.

One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.

FinOps per User03

Spending limits that pause instead of surprise.

Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.

Three controls, built into the layer your AI connects through.

Curated set · 3 capabilities

We ship only the actions that matter.

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through Ethereum ABI Encoder/Decoder.

  1. 01

    Extract function selector

    Generates the 4-byte function identifier from a specific signature.

  2. 02

    Encode function call

    Converts a function signature and its arguments into a valid Ethereum calldata hex string.

  3. 03

    Decode calldata payload

    Parses raw hex calldata into readable values based on a provided ABI definition.

Real work

What teams actually run

01

Transaction Debugging

You paste raw calldata from a block explorer to see exactly what parameters were passed.

02

Test Script Generation

Your agent generates the exact hex strings needed for automated testing capabilities.

03

Contract Interaction

You convert high-level function calls into the hex format required by low-level providers.

04

Signature Verification

You confirm that a function selector matches the expected signature for a specific contract.

One connector, every AI

Ethereum ABI Encoder/Decoder works with the most popular AI clients.

These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.

ClaudeClaudeChatGPTChatGPTGeminiGeminiPerplexityPerplexityGrokGrokMicrosoft CopilotMicrosoft CopilotCursorCursorVS CodeVS CodeWindsurfWindsurfJetBrainsJetBrainsClineClineLangChainLangChainVercel AI SDKVercel AI SDKLovableLovableZ.aiZ.aiRaycastRaycastQwen CodeQwen CodeKimi CodeKimi CodeLe ChatLe Chat

Building your own app? The connector is yours to use.

You don't need a client to put Ethereum ABI Encoder/Decoder to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.

Observed, not estimated

696ms average. Fast in production.

Ethereum ABI Encoder/Decoder is checked daily against the live service.

Daily averagePeak 847ms
Oct 3Today
Fastest day
543ms
Slowest day
847ms
14-day trend
Slowing+14%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Ethereum ABI Encoder/Decoder, so you can see the experience inside your AI.

It does not authenticate your account with Ethereum ABI Encoder/Decoder. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Ethereum ABI Encoder/Decoder Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_dD22A3n9ypx3HaW3hfcZXO7hvl1ho3R4hzKdl8F9/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Ethereum ABI Encoder/Decoder capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "ethereum-abi-encoderdecoder-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_dD22A3n9ypx3HaW3hfcZXO7hvl1ho3R4hzKdl8F9/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

Guided setup for Claude? Set up Ethereum ABI Encoder/Decoder in Claude and other AIs

See all the AI clients this connector works with ↑

Who it's for

Built for the work Ethereum ABI Encoder/Decoder owners hand off.

This MCP is built for developers working directly with Ethereum and EVM-compatible chains.

  • 01

    Smart Contract Developers

    They hand off signature strings to the AI to generate test transaction data.

  • 02

    Security Researchers

    They use the capability to decode suspicious calldata found in transaction logs.

  • 03

    Web3 Engineers

    They use it to verify that their manual hex constructions match ABI standards.

FAQ

Questions Ethereum ABI Encoder/Decoder owners ask.

  • 01

    How does this MCP prevent AI errors?

    Instead of asking the AI to guess the math, the agent uses the MCP to perform deterministic Keccak-256 hashing and padding.

  • 02

    Which AI clients can use this?

    You can use this with any MCP-compatible client like Claude, Cursor, or Windsurf.

  • 03

    Can I decode any Ethereum calldata?

    Yes, as long as you provide the corresponding ABI definition to the capability.

  • 04

    Does this handle complex types?

    Yes, it manages dynamic type offset calculations and big-endian padding for complex structures.

  • 05

    Do I need to host this myself?

    No, Vinkius hosts and manages the MCP so it is ready to use immediately after connection.

  • 06

    How do I generate a function selector?

    Use the extract_function_selector capability by providing the exact function signature, such as transfer(address,uint256).

  • 07

    Can I decode complex transaction data?

    Yes, the decode_calldata_payload capability parses raw hex strings into readable parameters if you provide the corresponding ABI JSON.

  • 08

    Does it support dynamic types like strings?

    Yes, the encode_function_call capability handles dynamic type offsets and tight packing for strings and bytes.

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