# claude-mailbox

> claude-mailbox — zach-source-claude-mailbox. Use this tool when you need to enable communication between concurrently-running code sessions, solving problems of data sharing and coordination in distributed systems. It provides a shared database and supports channels, direct messages, and leader coordination as inputs and outputs. Ideal for use cases requiring cross-session communication, such as distributed computing, parallel processing, and collaborative workflows.

Canonical page: https://skillsregistry.net/skills/zach-source-claude-mailbox  
JSON: https://api.skillsregistry.net/v1/skills/zach-source-claude-mailbox

## Description

An MCP server that enables concurrently-running Claude Code sessions to cross-talk via channels, DMs, and leader coordination, all backed by a shared beads database.

## Trust

- **Trust score (0–1):** 0.68
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

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

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/ufs0gc7175)
- **Repository:** <https://github.com/zach-source/claude-mailbox>

## 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": "zach-source-claude-mailbox"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/zach-source-claude-mailbox` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/zach-source-claude-mailbox/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