# Crypto Tax MCP

> Use this tool when you need to accurately track and calculate cryptocurrency taxes, as it provides cost basis tracking, capital gains calculation, and 1099-DA reconciliation. It solves problems related to crypto tax compliance and reporting, taking Crypto Portfolio data as input and outputting precise tax calculations. Ideal for use during tax seasons or when reconciling crypto transactions.

Canonical page: https://skillsregistry.net/skills/biggling-crypto-tax-mcp  
JSON: https://api.skillsregistry.net/v1/skills/biggling-crypto-tax-mcp

## Description

Cost basis tracking, capital gains calculation, and 1099-DA reconciliation for Claude, built on top of the Crypto Portfolio MCP data layer.

## Trust

- **Trust score (0–1):** 0.91
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/hws44n3i5z)
- **Repository:** <https://github.com/biggling/crypto-tax-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": "biggling-crypto-tax-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/biggling-crypto-tax-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/biggling-crypto-tax-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