Expose an OpenAPI document to agents as a search-first tool catalog over your existing API.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add sezzlee-openapi --env SEZZLEE_OPENAPI_CONFIG='<SEZZLEE_OPENAPI_CONFIG>' -- npx -y @sezzlee/openapi-mcp~/.codex/config.toml
[mcp_servers.sezzlee-openapi]
command = "npx"
args = ["-y", "@sezzlee/openapi-mcp"]
env = { SEZZLEE_OPENAPI_CONFIG = "<SEZZLEE_OPENAPI_CONFIG>" }
# codex mcp add sezzlee-openapi --env SEZZLEE_OPENAPI_CONFIG='<SEZZLEE_OPENAPI_CONFIG>' -- npx -y @sezzlee/openapi-mcp~/.cursor/mcp.json
{
"mcpServers": {
"sezzlee-openapi": {
"command": "npx",
"args": [
"-y",
"@sezzlee/openapi-mcp"
],
"env": {
"SEZZLEE_OPENAPI_CONFIG": "<SEZZLEE_OPENAPI_CONFIG>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"sezzlee-openapi": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@sezzlee/openapi-mcp"
],
"env": {
"SEZZLEE_OPENAPI_CONFIG": "<SEZZLEE_OPENAPI_CONFIG>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"sezzlee-openapi": {
"command": "npx",
"args": [
"-y",
"@sezzlee/openapi-mcp"
],
"env": {
"SEZZLEE_OPENAPI_CONFIG": "<SEZZLEE_OPENAPI_CONFIG>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"sezzlee-openapi": {
"command": "npx",
"args": [
"-y",
"@sezzlee/openapi-mcp"
],
"env": {
"SEZZLEE_OPENAPI_CONFIG": "<SEZZLEE_OPENAPI_CONFIG>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"sezzlee-openapi": {
"command": "npx",
"args": [
"-y",
"@sezzlee/openapi-mcp"
],
"env": {
"SEZZLEE_OPENAPI_CONFIG": "<SEZZLEE_OPENAPI_CONFIG>"
}
}
}
}Environment variables
SEZZLEE_OPENAPI_CONFIG
Replace the placeholders with your own credentials and keep them out of version control.