# Callosium

> Callosium — callosium-callosium. Use this tool when you need to unify knowledge across multiple AI agents, ensuring seamless sharing and synchronization of information. Callosium solves the problem of duplicated effort and inconsistent knowledge bases by providing a centralized, Markdown-based memory that can be accessed and updated by all AI agents. With customizable per-AI folder permissions, it allows for secure and controlled knowledge sharing, making it ideal for multi-AI workflows and collaborative applications.

Canonical page: https://skillsregistry.net/skills/callosium-callosium  
JSON: https://api.skillsregistry.net/v1/skills/callosium-callosium

## Description

One shared memory for every AI you use, in plain Markdown files you own. Teach one AI something and the rest know it, with per-AI folder permissions so each assistant only sees what you allow.

## Trust

- **Trust score (0–1):** 0.00
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** file-system
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/osldd6o1mm)
- **Repository:** <https://github.com/callosium/callosium>

## 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": "callosium-callosium"
    }
  }
}
```

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