Does DeepWiki MCP work with ChatGPT (Codex)?
Yes. DeepWiki MCP passed every step of our test in ChatGPT (Codex) on Oct 22, 2026: it installed, connected, its tools were visible, and an agent used it to finish a real task.
Result
Steps
- install OK
- connect OK
- tools visible OK
- agent task: read repo OKread a public repo without a token
From our own harness run, not the maker’s claims. How we test.
Versions tested
Codex CLI 0.162.0-alpha.17.2 · mcp-remote 0.15.2 · connect time not recorded · tested Oct 22, 2026
Server package tested: mcp-remote 0.15.2 (npm, Node v20.19.2; resolved 2026-10-22)
Direct and key dependencies as resolved: express 4.22.3 · open 10.2.0 · strict-url-sanitise 0.0.1 · undici 7.30.1
All 79 resolved dependencies
accepts==1.3.8
array-flatten==1.1.1
body-parser==1.20.9
bundle-name==4.1.1
bytes==3.1.2
call-bind-apply-helpers==1.0.2
call-bound==1.0.4
content-disposition==0.5.4
content-type==1.0.5
cookie==0.7.2
cookie-signature==1.0.7
debug==2.6.9
default-browser==5.5.1
default-browser-id==5.0.1
define-lazy-prop==3.0.0
depd==2.0.0
destroy==1.2.0
dunder-proto==1.0.1
ee-first==1.1.1
encodeurl==2.0.0
es-define-property==1.0.1
es-errors==1.3.0
es-object-atoms==1.1.2
escape-html==1.0.3
etag==1.8.1
express==4.22.3
finalhandler==1.3.2
forwarded==0.2.0
fresh==0.5.2
function-bind==1.1.2
get-intrinsic==1.3.0
get-proto==1.0.1
gopd==1.2.0
has-symbols==1.1.0
hasown==2.0.4
http-errors==2.0.1
iconv-lite==0.4.24
inherits==2.0.4
ipaddr.js==1.9.1
is-docker==3.0.0
is-inside-container==1.0.0
is-wsl==3.1.1
math-intrinsics==1.1.0
media-typer==0.3.0
merge-descriptors==1.0.3
methods==1.1.2
mime==1.6.0
mime-db==1.52.0
mime-types==2.1.35
ms==2.0.0, 2.1.3
negotiator==0.6.3
object-inspect==1.13.4
on-finished==2.4.2
open==10.2.0
parseurl==1.3.3
path-to-regexp==0.1.13
proxy-addr==2.0.8
qs==6.16.1
range-parser==1.2.1
raw-body==2.5.3
run-applescript==7.1.0
safe-buffer==5.2.1
safer-buffer==2.1.2
send==0.19.2
serve-static==1.16.3
setprototypeof==1.2.0
side-channel==1.1.1
side-channel-list==1.0.1
side-channel-map==1.0.1
side-channel-weakmap==1.0.2
statuses==2.0.2
strict-url-sanitise==0.0.1
toidentifier==1.0.1
type-is==1.6.18
undici==7.30.1
unpipe==1.0.0
utils-merge==1.0.1
vary==1.1.2
wsl-utils==0.1.0Captured with: npm ls --all --json in the npx env.
What happened in this run
Install config we used
[mcp_servers.deepwiki]
command = "npx"
args = ["-y", "mcp-remote", "https://mcp.deepwiki.com/mcp"]Connection check
server answered tool calls during the taskTools check
verified via task step: agent saw and called the server's tools
Agent task: read repo
- Tool calls, in order:
deepwiki:read_wiki_contents
Raw details from our harness log for this run. Secrets redacted.
Set it up in ChatGPT (Codex)
Copy-paste config for every app is on the DeepWiki MCP page. Not connecting? ChatGPT (Codex) MCP troubleshooting.
Other apps we tested it in: Claude Code (passed) · Cursor (passed) · Claude Desktop (passed).