Does Reddit MCP Buddy work with ChatGPT (Codex)?

Q: Does Reddit MCP Buddy work with ChatGPT (Codex)?

Yes. In our test on 2026-10-20 (Codex CLI 0.162.0-alpha.17.2, reddit-mcp-buddy 1.1.14, plan: ChatGPT Plus), Reddit MCP Buddy passed install, connect, tools and an agent task.

Yes. Reddit MCP Buddy passed every step of our test in ChatGPT (Codex) on Oct 20, 2026: it installed, connected, its tools were visible, and an agent used it to finish a real task.

Result

ResultPassed

Date testedOct 20, 2026

Plan tested onChatGPT Plus

App versionCodex CLI 0.162.0-alpha.17.2

Server packagereddit-mcp-buddy 1.1.14

Connect timeconnect time not recorded

Modelgpt-6-luna (reasoning low)

Steps

install OK
connect OK
tools visible OK
agent task: reddit browse OKread-only public Reddit browse; title comes from the server tool result

From our own harness run, not the maker’s claims. How we test.

Versions tested

Codex CLI 0.162.0-alpha.17.2 · reddit-mcp-buddy 1.1.14 · connect time not recorded · tested Oct 20, 2026

Server package tested: reddit-mcp-buddy 1.1.14 (npm, Node v20.19.2; resolved 2026-10-20)

Direct and key dependencies as resolved: @modelcontextprotocol/sdk 1.32.1 · express 5.3.0 · zod 3.25.76 · zod-to-json-schema 3.25.2

All 91 resolved dependencies

@hono/node-server==2.1.5
@modelcontextprotocol/sdk==1.32.1
accepts==2.0.0
ajv==8.20.0
ajv-formats==3.0.1
body-parser==2.3.0
bytes==3.1.2
call-bind-apply-helpers==1.0.2
call-bound==1.0.4
content-disposition==2.0.1
content-type==1.0.5, 2.1.0
cookie==0.7.2
cookie-signature==1.2.2
cors==2.8.6
cross-spawn==7.0.6
debug==4.4.3
depd==2.0.0
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
eventsource==3.0.7
eventsource-parser==3.1.1
express==5.3.0
express-rate-limit==8.7.1
fast-deep-equal==3.1.3
fast-uri==3.1.8
finalhandler==2.1.1
forwarded==0.2.0
fresh==2.0.0
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
hono==4.13.13
http-errors==2.0.1
iconv-lite==0.7.3
inherits==2.0.4
ip-address==10.7.4
ipaddr.js==1.9.1
is-promise==4.0.0
isexe==2.0.0
jose==6.2.12
json-schema-traverse==1.0.0
json-schema-typed==8.0.2
math-intrinsics==1.1.0
media-typer==1.1.1
merge-descriptors==2.0.0
mime-db==1.54.0
mime-types==3.0.2
ms==2.1.3
negotiator==1.1.0
object-assign==4.1.1
object-inspect==1.13.4
on-finished==2.4.1
once==1.4.0
parseurl==1.3.3
path-key==3.1.1
path-to-regexp==8.4.2
pkce-challenge==5.0.1
proxy-addr==2.0.8
qs==6.16.1
range-parser==1.3.0
raw-body==3.0.2
require-from-string==2.0.2
router==2.2.0
safer-buffer==2.1.2
send==1.2.1
serve-static==2.2.1
setprototypeof==1.2.0
shebang-command==2.0.0
shebang-regex==3.0.0
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
toidentifier==1.0.1
type-is==2.1.0
unpipe==1.0.0
vary==1.1.2
which==2.0.2
wrappy==1.0.2
zod==3.25.76
zod-to-json-schema==3.25.2

Captured with: npm ls --all --json in the npx env.

What happened in this run

Install config we used

[mcp_servers.reddit-mcp-buddy]
command = "npx"
args = ["-y", "reddit-mcp-buddy"]

Connection check

server answered tool calls during the task

Tools check

verified via task step: agent saw and called the server's tools

Agent task: reddit browse

Tool calls, in order: reddit-mcp-buddy:browse_subreddit

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 Reddit MCP Buddy page. Not connecting? ChatGPT (Codex) MCP troubleshooting.

Other apps we tested it in: Claude Code (partial) · Cursor (partial) · Claude Desktop (passed).

All MCP servers tested in ChatGPT (Codex)