MCP Server vs Postaldatapi MCP
A side-by-side look at the MCP Server and Postaldatapi MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose MCP Server for location services work as a local process; choose Postaldatapi MCP for location services as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose MCP Server when
- You need dedicated capabilities in the Location Services domain.
- You prefer a local stdio subprocess transport.
- You want tools like
uri.
Choose Postaldatapi MCP when
- You need dedicated capabilities in the Location Services domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
POSTALDATAPI_KEY. - You want tools like
lookup_postal_code, validate_postal_code, search_by_city.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Location Services | Location Services |
| Quality signal | 63/100 · Good | 52/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | API key required |
| Pricing | Not declared | Freemium |
| Required env vars | None listed | POSTALDATAPI_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 361 | 1 |
| Directory activity | 0 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | 1 | 4 |
| Full listing | View MCP Server | View Postaldatapi MCP |
Tools & capabilities
MCP Server tools 1
uriThe resource URI to read (e.g., `mapbox://categories`, `mapbox://categories/ja`)
Postaldatapi MCP tools 4
lookup_postal_codeGet city, state/region, and abbreviation for a postal code (US ZIP, UK postcode, German PLZ, etc.)validate_postal_codeCheck if a postal code exists in a countrysearch_by_cityFind all postal codes for a cityget_postal_code_metadataFull metadata: coordinates, admin hierarchy, timezone, elevation, and more
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.
MCP Server
{
"mcpServers": {
"mcp-server-139": {
"command": "npx",
"args": [
"-y",
"plop"
]
}
}
}
Postaldatapi MCP
{
"mcpServers": {
"postaldatapi-postaldatapi-mcp": {
"command": "uvx",
"args": [
"postaldatapi-mcp"
],
"env": {
"POSTALDATAPI_KEY": "YOUR_POSTALDATAPI_KEY_HERE"
}
}
}
}
Frequently asked questions
MCP Server is categorized under Location Services and uses a local stdio subprocess. Postaldatapi MCP belongs to Location Services and uses a local stdio subprocess. Pick MCP Server for location services work and Postaldatapi MCP for location services.
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.
MCP Server has no declared pricing — check the project's own site. Postaldatapi MCP is listed as freemium — a free tier with paid plans. Auth: api key required. 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 mcp-server-139 and postaldatapi-postaldatapi-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, MCP Server has a quality signal of 63/100 (Good) with 0 views, 0 installs and 361 GitHub stars. Postaldatapi MCP has 52/100 (Good) with 2 views, 0 installs and 1 GitHub stars.