Postman MCP Server vs MCP Openapi
A side-by-side look at the Postman MCP Server and MCP Openapi MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Postman MCP Server for developer tools work as a local process; choose MCP Openapi 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 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.
Choose MCP Openapi 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.
- You have the keys it needs:
OPENAPI_BEARER_TOKEN, OPENAPI_API_KEY, OPENAPI_API_KEY_HEADER, OPENAPI_BASIC_USER, OPENAPI_BASIC_PASS. - You want tools like
list_endpoints, call_endpoint.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 63/100 · Good | 39/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | POSTMAN_API_KEYPOSTMAN_API_BASE_URL | OPENAPI_BEARER_TOKENOPENAPI_API_KEYOPENAPI_API_KEY_HEADEROPENAPI_BASIC_USEROPENAPI_BASIC_PASS |
| Verified owner | Community listing | Community listing |
| GitHub stars | 324 | 1 |
| Directory activity | 5 views 0 installs 0 upvotes | 4 views 0 installs 0 upvotes |
| Tools | 4 | 2 |
| Full listing | View Postman MCP Server | View MCP Openapi |
Tools & capabilities
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.
MCP Openapi tools 2
list_endpointsReturns all operations grouped by tag with operationIds, methods, paths, and parameterscall_endpointExecutes any operation by `operationId` with path/query/header/body parameters
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.
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"
}
}
}
}
MCP Openapi
{
"mcpServers": {
"saurav61091-mcp-openapi": {
"command": "npx",
"args": [
"-y",
"mcp-openapi-runner"
],
"env": {
"OPENAPI_BEARER_TOKEN": "YOUR_OPENAPI_BEARER_TOKEN_HERE",
"OPENAPI_API_KEY": "YOUR_OPENAPI_API_KEY_HERE",
"OPENAPI_API_KEY_HEADER": "YOUR_OPENAPI_API_KEY_HEADER_HERE",
"OPENAPI_BASIC_USER": "YOUR_OPENAPI_BASIC_USER_HERE",
"OPENAPI_BASIC_PASS": "YOUR_OPENAPI_BASIC_PASS_HERE"
}
}
}
}
Frequently asked questions
Postman MCP Server is categorized under Developer Tools and uses a local stdio subprocess. MCP Openapi belongs to Developer Tools and uses a local stdio subprocess. Pick Postman MCP Server for developer tools work and MCP Openapi 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.
Postman MCP Server has no declared pricing — check the project's own site. MCP Openapi is listed as free. Auth: no auth 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 postman-mcp-server and saurav61091-mcp-openapi as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Postman MCP Server has a quality signal of 63/100 (Good) with 5 views, 0 installs and 324 GitHub stars. MCP Openapi has 39/100 (Fair) with 4 views, 0 installs and 1 GitHub stars.