Openaffiliate MCP vs Postscript
A side-by-side look at the Openaffiliate MCP and Postscript MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Openaffiliate MCP for marketing work as a local process; choose Postscript for marketing as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Openaffiliate MCP when
- You need dedicated capabilities in the Marketing domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
search_programs, get_program, list_categories.
Choose Postscript when
- You need dedicated capabilities in the Marketing domain.
- You prefer a local stdio subprocess transport.
- You want tools like
postscript_list_subscribers, postscript_get_subscriber, postscript_list_keywords.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Marketing | Marketing |
| Quality signal | 65/100 · Great | 57/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 117 | 0 |
| Directory activity | 2 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 3 | 4 |
| Full listing | View Openaffiliate MCP | View Postscript |
Tools & capabilities
Openaffiliate MCP tools 3
search_programsSearch affiliate programs by keyword, category, or commission typeget_programGet full details of an affiliate program including agent instructions, commission terms, restrictions, and signup infolist_categoriesList all affiliate program categories with the number of programs in each
Postscript tools 4
postscript_list_subscribersList SMS subscribers for a Postscript (Shopify) shop. Supports filtering by email, phone number, Shopify customer ID, and created/updated timestamps, plus sorting. Page-based pagination: returns { page_info: { page, total_pages }, subscribers: [...] }; pass page to walk results.postscript_get_subscriberGet a single SMS subscriber by Postscript subscriber ID. Returns phone number, email, subscription status, Shopify customer linkage, and custom properties.postscript_list_keywordsList all active SMS keywords for the shop. Keywords are the text-to-join words (e.g. "JOIN") subscribers text to opt in. Returns keyword IDs, the keyword text, and associated subscription settings.postscript_get_keywordGet a single SMS keyword by its ID. Returns the keyword text, status, and configuration (welcome message, list assignment).
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Openaffiliate MCP
{
"mcpServers": {
"openaffiliate-mcp": {
"command": "npx",
"args": [
"openaffiliate-mcp"
]
}
}
}
Postscript
{
"mcpServers": {
"postscript": {
"command": "npx",
"args": [
"-y",
"@pipeworx/mcp-postscript"
]
}
}
}
Frequently asked questions
Openaffiliate MCP is categorized under Marketing and uses a local stdio subprocess. Postscript belongs to Marketing and uses a local stdio subprocess. Pick Openaffiliate MCP for marketing work and Postscript for marketing.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Openaffiliate MCP is listed as free. Auth: no auth required. Postscript has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add openaffiliate-mcp and postscript as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Openaffiliate MCP has a quality signal of 65/100 (Great) with 2 views, 0 installs and 117 GitHub stars. Postscript has 57/100 (Good) with 1 views, 0 installs and 0 GitHub stars.