PostSider vs ReplyAtlas
A side-by-side look at the PostSider and ReplyAtlas MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose PostSider for social media work over a hosted endpoint; choose ReplyAtlas for social media as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose PostSider when
- You need dedicated capabilities in the Social Media domain.
- You prefer a remote HTTP/SSE transport.
- You have the keys it needs:
POSTSIDER_API_KEY, POSTSIDER_API_URL.
Choose ReplyAtlas when
- You need dedicated capabilities in the Social Media domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
REPLYATLAS_API_KEY, REPLYATLAS_BASE_URL.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Social Media | Social Media |
| Quality signal | 43/100 · Fair | 36/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | POSTSIDER_API_KEYPOSTSIDER_API_URL | REPLYATLAS_API_KEYREPLYATLAS_BASE_URL |
Tools & capabilities
PostSider tools
No tool names declared yet. Check the project README from the listing page.
ReplyAtlas tools
No tool names declared yet. Check the project README from the listing page.
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.
PostSider
{
"mcpServers": {
"postsider": {
"url": "https://docs.postsider.com/cloud/mcp"
}
}
}
ReplyAtlas
{
"mcpServers": {
"replyatlas": {
"command": "npx",
"args": [
"-y",
"replyatlas-mcp"
],
"env": {
"REPLYATLAS_API_KEY": "YOUR_REPLYATLAS_API_KEY_HERE",
"REPLYATLAS_BASE_URL": "YOUR_REPLYATLAS_BASE_URL_HERE"
}
}
}
}
Frequently asked questions
PostSider is categorized under Social Media and uses a remote HTTP/SSE transport. ReplyAtlas belongs to Social Media and uses a local stdio subprocess. Pick PostSider for social media work and ReplyAtlas for social media.
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.
PostSider has no declared pricing — check the project's own site. ReplyAtlas 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 postsider and replyatlas as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, PostSider has a quality signal of 43/100 (Fair) with 0 views, 0 installs and 11 GitHub stars. ReplyAtlas has 36/100 (Fair) with 0 views, 0 installs and 0 GitHub stars.
