com.postboxservices/postbox-tools vs Fidro
com.postboxservices/postbox-tools is an MCP server published by postboxservices.com. Marketplaces we read that list it: 1 (Official MCP Registry). Fidro is an MCP server published by fidro.io. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-28. This pair was picked by a reader, not by our comparison rule, so search engines are asked not to index the page.
Where each is published
| Marketplace |  com.postboxservices/postbox-tools |  Fidro |
|---|---|---|
| Official MCP Registry | Listed Version: 0.1.1 No figure published Not marked · First seen |
Listed Version: 1.0.1 No figure published Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | com.postboxservices/postbox-tools | Fidro |
|---|---|---|
| Marketplaces that list it | 1 | 1 |
| Last release | Not published | Not published |
| Where it runs (differs) | Remote server (mcp.postboxservices.com/mcp) | Remote server (fidro.io/mcp) |
| Transport | Streamable HTTP | Streamable HTTP |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Licence | Not stated | Not stated |
| Repository | Not stated | Not stated |
| Changes in the last 7 days | 0 | 0 |
| First seen | 2026-10-11 | 2026-10-11 |
| Endpoint at the last check (differs) | Responded 25 h ago | Responded 3 days ago |
Lines where the two differ have a tinted background and bold values. Where the data itself says which value is better (more marketplaces, a larger figure of the same marketplace, a fresher release, a verified mark on a marketplace that lists both), the better one is also marked green with ▲ and the worse one red with ▼. Where it runs, the transport, the tools, the settings, hooks, the bundle's parts, the licence and the week's changes are marked only as different: more or fewer is not better in itself.
What each says it does
com.postboxservices/postbox-tools
Free email checks: 24 blacklists, spoofing/BEC grade, redirect tracing, email spam test, WHOIS.
Fidro
Signup fraud checks: score emails and IPs, look up IPs and manage your blocklist.
How to run each
com.postboxservices/postbox-tools As a remote MCP server
claude mcp add --transport http postbox-tools https://mcp.postboxservices.com/mcpFidro As a remote MCP server
claude mcp add --transport http fidro https://fidro.io/mcpCommands built only from what the marketplaces declare; the full set for every client is on each card.
Both endpoints responded at the last daily check. How we check endpoints
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: com.postboxservices/postbox-tools · What it can do: Fidro · Compare two other plugins
Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.