# midpoint-mcp

> midpoint-mcp — kolourr-midpoint-mcp. Use this tool when you need to access trading-card market prices and grading ROI data to inform buying, selling, or collecting decisions. It provides read-only data with no authentication required, making it a convenient solution for users of MCP clients like ChatGPT, Claude, and Cursor. Ideal for use cases where accurate and up-to-date market price information is necessary, such as evaluating card values or optimizing trading strategies.

Canonical page: https://skillsregistry.net/skills/kolourr-midpoint-mcp  
JSON: https://api.skillsregistry.net/v1/skills/kolourr-midpoint-mcp

## Description

Trading-card market prices and grading ROI as MCP tools. Read-only, no auth. Powers the Midpoint Card Prices plugin in ChatGPT; works with Claude, Cursor and any MCP client.

## Trust

- **Trust score (0–1):** 0.90
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/kolourr/midpoint-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": "kolourr-midpoint-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/kolourr-midpoint-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/kolourr-midpoint-mcp/pull`

---
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