MCP server for FIXSIM: test FIX from Claude, ChatGPT, or Cursor
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add --transport http fixsim https://mcp.fixsim.com/mcp --header 'x-api-key: <X_API_KEY>'~/.codex/config.toml
[mcp_servers.fixsim]
url = "https://mcp.fixsim.com/mcp"
http_headers = { x-api-key = "<X_API_KEY>" }
# codex mcp add fixsim --url https://mcp.fixsim.com/mcp~/.cursor/mcp.json
{
"mcpServers": {
"fixsim": {
"url": "https://mcp.fixsim.com/mcp",
"headers": {
"x-api-key": "<X_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"fixsim": {
"type": "http",
"url": "https://mcp.fixsim.com/mcp",
"headers": {
"x-api-key": "<X_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"fixsim": {
"httpUrl": "https://mcp.fixsim.com/mcp",
"headers": {
"x-api-key": "<X_API_KEY>"
}
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"fixsim": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.fixsim.com/mcp",
"--header",
"x-api-key:<X_API_KEY>"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"fixsim": {
"url": "https://mcp.fixsim.com/mcp",
"headers": {
"x-api-key": "<X_API_KEY>"
}
}
}
}