What is openapi-to-mcp?
openapi-to-mcp is a MCP server by ouvreboite that access any API via its OpenAPI specification, with full JSON Schema support for parameters and request bodies. It is listed under Developer tools and has 35 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | ouvreboite |
| Repository | ouvreboite/openapi-to-mcp |
| Popularity | 35 GitHub stars |
| Category | Developer tools |
| Security | Review before installing (72/100) |
| Rank | #1,013 of 4,418 MCP servers; #253 in Developer tools |
| License | MIT |
| Last commit | 2025-07-15 |
| Runs | Cloud service |
| Language | C# |
Is openapi-to-mcp safe to install?
openapi-to-mcp scores 72/100 on the MCPMods security check: Review before installing. Things to review: sends your data to a cloud service; executes code or shell commands. It passed 3 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Sends your data to a cloud service | Review |
| No credentials mentioned | Pass |
| Read-only by description | Pass |
| Executes code or shell commands | Review |
| Source on GitHub | Pass |
How do I install openapi-to-mcp?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/ouvreboite/openapi-to-mcp
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add openapi-to-mcp -- <command from README> claude mcp add --transport http openapi-to-mcp <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs openapi-to-mcp for you:
Add the "openapi-to-mcp" MCP server from https://github.com/ouvreboite/openapi-to-mcp to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.