Codex MCP vs XGR MCP Gateway
A side-by-side look at the Codex MCP and XGR MCP Gateway MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Codex MCP for finance & fintech work as a local process; choose XGR MCP Gateway for finance & fintech over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Codex MCP when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
CODEX_API_KEY.
Choose XGR MCP Gateway when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: No auth required.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 41/100 · Fair | 43/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | API key required | No auth required |
| Pricing | BYOK (pay the provider) | Free |
| Required env vars | CODEX_API_KEY | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 25 | 0 |
| Directory activity | 3 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Codex MCP | View XGR MCP Gateway |
Tools & capabilities
Codex MCP tools
No tool names declared yet. Check the project README from the listing page.
XGR MCP Gateway tools
No tool names declared yet. Check the project README from the listing page.
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.
Codex MCP
{
"mcpServers": {
"codex-data-codex-mcp": {
"command": "npx",
"args": [
"-y",
"@codex-data/codex-mcp"
],
"env": {
"CODEX_API_KEY": "YOUR_CODEX_API_KEY_HERE"
}
}
}
}
XGR MCP Gateway
{
"mcpServers": {
"xgr-mcp-gateway": {
"url": "https://mcp.xgr.network/mcp"
}
}
}
Frequently asked questions
Codex MCP is categorized under Finance & Fintech and uses a local stdio subprocess. XGR MCP Gateway belongs to Finance & Fintech and uses a remote HTTP/SSE transport. Pick Codex MCP for finance & fintech work and XGR MCP Gateway for finance & fintech.
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.
Codex MCP is bring-your-own-key: usage is billed by the API provider you supply a key for. Auth: api key required. XGR MCP Gateway 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 codex-data-codex-mcp and xgr-mcp-gateway as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Codex MCP has a quality signal of 41/100 (Fair) with 3 views, 0 installs and 25 GitHub stars. XGR MCP Gateway has 43/100 (Fair) with 1 views, 0 installs and 0 GitHub stars.