Erd Editor vs Postman MCP Server
A side-by-side look at the Erd Editor and Postman MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Erd Editor for developer tools work as a local process; choose Postman MCP Server for developer tools as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Erd Editor when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
Choose Postman MCP Server when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
POSTMAN_API_KEY, POSTMAN_API_BASE_URL. - You want tools like
Minimal, Code, Full.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 61/100 · Good | 63/100 · 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 | POSTMAN_API_KEYPOSTMAN_API_BASE_URL |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1,728 | 324 |
| Directory activity | 0 views 0 installs 0 upvotes | 5 views 0 installs 0 upvotes |
| Tools | Not listed | 4 |
| Full listing | View Erd Editor | View Postman MCP Server |
Tools & capabilities
Erd Editor tools
No tool names declared yet. Check the project README from the listing page.
Postman MCP Server tools 4
Minimal(Default) Only includes essential tools for basic Postman operations. Ideal for users who want to modify a single Postman element, such as collections, workspaces, or environments.CodeIncludes tools to generate high-quality, well-organized client code from public and internal API definitions. Ideal for users who need to consume APIs or get API context to their agents.FullIncludes all available Postman API tools (100+ tools). Ideal for users who engage in advanced collaboration and Postman's Enterprise features.LearnSearches [Postman Docs](https://learning.postman.com/) for guides, tutorials, and reference content. Ideal for agents who need to discover Postman features, look up API concepts, or find learning resources.
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.
Erd Editor
{
"mcpServers": {
"erd-editor": {
"command": "npx",
"args": [
"-y",
"@dineug/erd-editor-mcp"
]
}
}
}
Postman MCP Server
{
"mcpServers": {
"postman-mcp-server": {
"command": "npx",
"args": [
"-y",
"@postman/postman-mcp-server"
],
"env": {
"POSTMAN_API_KEY": "YOUR_POSTMAN_API_KEY_HERE",
"POSTMAN_API_BASE_URL": "YOUR_POSTMAN_API_BASE_URL_HERE"
}
}
}
}
Frequently asked questions
Erd Editor is categorized under Developer Tools and uses a local stdio subprocess. Postman MCP Server belongs to Developer Tools and uses a local stdio subprocess. Pick Erd Editor for developer tools work and Postman MCP Server for developer tools.
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.
Erd Editor is listed as free. Auth: no auth required. Postman MCP Server 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 erd-editor and postman-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Erd Editor has a quality signal of 61/100 (Good) with 0 views, 0 installs and 1,728 GitHub stars. Postman MCP Server has 63/100 (Good) with 5 views, 0 installs and 324 GitHub stars.