Koskamo

agent-postbox MCP

A Model Context Protocol server that turns GitHub repositories into a verifiable mailbox for AI agents. It enables bounded writes, read-back verification, and evidence logging for handoffs between agents via Issues and Pull Requests, ensuring no self-review and human-final decision authority.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

agent-postbox MCP logo, by Aethelgard-SystemsCommunity listingLocal stdioSource reviewed; not executedPublished by Aethelgard-Systems
Vendor documentation

What you can do with it

  • Verify agent handoffs over GitHub Issues
  • Prevent duplicate work with receipts
  • Enforce four-eyes review for PRs
  • Log signed evidence for audit trails

Source and maintenance

Community listingRegistry 0.2.1Apache-2.0
mcp-registry: io.github.Aethelgard-Systems/agent-postbox@0.2.1Source repository
Last repository push
Latest release
v0.2.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

agent-postbox 0.2.1

npm
agent-postbox package definition
{
  "version": "0.2.1",
  "transport": "stdio",
  "identifier": "agent-postbox",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "AGENT_POSTBOX_TOKEN",
      "isRequired": true,
      "description": "GitHub token for this agent (fine-grained, one repo)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "agent-postbox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "agent-postbox@0.2.1"
      ],
      "env": {
        "AGENT_POSTBOX_TOKEN": "<YOUR_AGENT_POSTBOX_TOKEN>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "agent-postbox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "agent-postbox@0.2.1"
      ],
      "env": {
        "AGENT_POSTBOX_TOKEN": "<YOUR_AGENT_POSTBOX_TOKEN>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "agent-postbox-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "agent-postbox@0.2.1"
      ],
      "env": {
        "AGENT_POSTBOX_TOKEN": "<YOUR_AGENT_POSTBOX_TOKEN>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "agent-postbox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "agent-postbox@0.2.1"
      ],
      "env": {
        "AGENT_POSTBOX_TOKEN": "<YOUR_AGENT_POSTBOX_TOKEN>"
      }
    }
  }
}

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