Agent Comms vs Groundmail
A side-by-side look at the Agent Comms and Groundmail MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Agent Comms for communication work as a local process; choose Groundmail for communication over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Agent Comms when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
Choose Groundmail when
- You need dedicated capabilities in the Communication domain.
- You prefer a remote HTTP/SSE transport.
- You have the keys it needs:
GROUNDMAIL_API_KEY, GROUNDMAIL_API_URL.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 49/100 · Fair | 58/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | GROUNDMAIL_API_KEYGROUNDMAIL_API_URL |
| Verified owner | Community listing | Community listing |
| GitHub stars | 33 | 0 |
| Directory activity | 0 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Agent Comms | View Groundmail |
Tools & capabilities
Agent Comms tools
No tool names declared yet. Check the project README from the listing page.
Groundmail 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.
Agent Comms
{
"mcpServers": {
"agent-comms": {
"command": "npx",
"args": [
"-y",
"agent-comms"
]
}
}
}
Groundmail
{
"mcpServers": {
"groundmail": {
"command": "npx",
"args": [
"-y",
"groundmail-mcp"
],
"env": {
"GROUNDMAIL_API_KEY": "YOUR_GROUNDMAIL_API_KEY_HERE",
"GROUNDMAIL_API_URL": "YOUR_GROUNDMAIL_API_URL_HERE"
}
}
}
}
Frequently asked questions
Agent Comms is categorized under Communication and uses a local stdio subprocess. Groundmail belongs to Communication and uses a remote HTTP/SSE transport. Pick Agent Comms for communication work and Groundmail for communication.
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.
Agent Comms has no declared pricing — check the project's own site. Groundmail 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 agent-comms and groundmail as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Agent Comms has a quality signal of 49/100 (Fair) with 0 views, 0 installs and 33 GitHub stars. Groundmail has 58/100 (Good) with 0 views, 0 installs and 0 GitHub stars.