# mcp-core

> mcp-core — auny-ai-mcp-core. Use this tool when you need to build and manage MCP servers on Cloudflare Workers with dependency-free primitives. It solves problems related to code ledger management, fetch bounding, and tool result budgeting, providing a robust foundation for server development. The mcp-core tool accepts input parameters for customization and outputs optimized server configurations, making it ideal for use cases requiring efficient and scalable server management.

Canonical page: https://skillsregistry.net/skills/auny-ai-mcp-core  
JSON: https://api.skillsregistry.net/v1/skills/auny-ai-mcp-core

## Description

Dependency-free primitives for MCP servers on Cloudflare Workers: single-use code ledger, bounded fetch, tool result budgets, tool annotations.

## Trust

- **Trust score (0–1):** 0.95
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

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

## Source

- **Source listing:** [GitHub](https://github.com/auny-ai/mcp-core)

## 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": "auny-ai-mcp-core"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/auny-ai-mcp-core` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/auny-ai-mcp-core/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