# PostGrid MCP

> PostGrid MCP — white-space-solutions-postgrid-mcp. Use this tool when you need to integrate PostGrid Print & Mail services with custom connectors, requiring read-only access to organization data and schema information via the PostGrid API. It solves problems related to authentication and data retrieval, providing inputs such as OAuth credentials and outputs like organization listings and schema details. Ideal for use cases involving Claude Cowork custom connectors with OAuth Individual sign-in.

Canonical page: https://skillsregistry.net/skills/white-space-solutions-postgrid-mcp  
JSON: https://api.skillsregistry.net/v1/skills/white-space-solutions-postgrid-mcp

## Description

Read-only MCP server for PostGrid Print & Mail, exposing constrained tools for ping, listing sub-organizations, and schema probing via the PostGrid API. Designed for Claude Cowork custom connectors with OAuth Individual sign-in.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

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

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/rlfhne0rx1)
- **Repository:** <https://github.com/white-space-solutions/postgrid-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": "white-space-solutions-postgrid-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/white-space-solutions-postgrid-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/white-space-solutions-postgrid-mcp/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