# FabTally Decode MCP

> FabTally Decode MCP — zvmzaretsky-onchain-decode-mcp. Use this tool when you need to decode raw EVM bytes into human-readable JSON, solving problems of data interpretation across multiple blockchain chains. It takes raw EVM bytes as input and outputs decoded JSON data, providing tools for logs, calldata, selectors, and ABIs. Ideal for use cases requiring read-only, keyless, and stateless decoding of blockchain data, with optional payment settlement via x402.

Canonical page: https://skillsregistry.net/skills/zvmzaretsky-onchain-decode-mcp  
JSON: https://api.skillsregistry.net/v1/skills/zvmzaretsky-onchain-decode-mcp

## Description

Decodes raw EVM bytes into human-readable JSON via tools for logs, calldata, selectors, and ABIs across multiple chains. Read-only, keyless, and stateless, with optional x402 payment settlement.

## Trust

- **Trust score (0–1):** 0.68
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/uwdol8k3bx)
- **Repository:** <https://github.com/zvmzaretsky/onchain-decode-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "zvmzaretsky-onchain-decode-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/zvmzaretsky-onchain-decode-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/zvmzaretsky-onchain-decode-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt