Codex MCP Bridge runs on your own machine — the client starts it, so there is no endpoint to ping. 89 installs a week from npm. Last commit 20 Oct 2026.
Wraps Codex CLI as MCP tools: codex, review, query, search, structured, ping, listSessions.
We read the source, 4 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
const output = execFileSync(binary, ["--version"], {
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add codex-mcp-bridge -- npx -y codex-mcp-bridge
{
"mcpServers": {
"codex-mcp-bridge": {
"command": "npx",
"args": [
"-y",
"codex-mcp-bridge"
]
}
}
}
[mcp_servers.codex-mcp-bridge]
command = "npx"
args = ["-y", "codex-mcp-bridge"]
{
"mcpServers": {
"codex-mcp-bridge": {
"command": "npx",
"args": [
"-y",
"codex-mcp-bridge"
]
}
}
}
{
"servers": {
"codex-mcp-bridge": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"codex-mcp-bridge"
]
}
}
}
Optional settings from the registry entry, left out of the block above:
CODEX_CLI_PATH (Path to the codex CLI binary. Defaults to 'codex' on PATH), CODEX_DEFAULT_MODEL (Default Codex model for codex/query/search), CODEX_FALLBACK_MODEL (Model to use when the primary model hits a quota error), CODEX_MAX_CONCURRENT (Maximum concurrent Codex CLI subprocesses (default 3)), CODEX_MCP_SERVERS (Controls which MCP servers from ~/.codex/config.toml stay enabled inside the Codex subprocess. Empty/unset disables all non-required servers; 'inherit' passes config through; comma-separated names (e.g. 'serena,github') enables those; values starting with '{' or '[' are raw TOML).
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Answers built from our own checks of this server.