Codex + StalkChainTrack Smart Money from Codex
StalkChain gives Codex live and historical data across 7 chains, plus the FOMO trader wallets, PnL and theses that sit behind a login. Ask who's buying, holding or selling.
- Add it with one command or one pasted link. No API key.
- Check traders, tokens and wallets without leaving your terminal or editor.
- Works in Codex CLI, the IDE extension and the desktop app.
Free to connect · No card · No API key
FOMO
StonkFunJupiterRobinhood ChainSolanaBaseBNB ChainEthereum
MonadHyperliquidStalkChain for Codex, in short
- What it is
- An MCP server and REST API that gives Codex live and historical blockchain data
- Connect with
- https://data.stalkchain.com/mcp, signed in with OAuth or an API key
- Data
- FOMO trader activity, StonkFun launches, Jupiter and on-chain data
- Chains
- Robinhood Chain, Solana, Base, BNB Chain, Ethereum, Monad, Hyperliquid perps
- Range
- From the last hour back to all-time
- Tools
- 70+, which Codex picks on its own
- FOMO
- A social trading app (fomo.family) where traders post their trades and theses
- Cost
- Free to connect, no card. Paid lookups come with a monthly plan; unused credits roll over
- Safety
- Research tools only read data. Trading tools use a separate agent wallet you fund, within limits you set
How to connect Codex to on-chain data in 3 steps
Connect, approve, ask. Add the StalkChain link to Codex, sign in once, and start asking about traders, tokens and wallets. No API key, about a minute.
- 1
Connect
Run codex mcp add stalkchain --url https://data.stalkchain.com/mcp, or paste the link under Settings → MCP servers.
- 2
Approve
Your browser opens. Sign in to StalkChain and press Approve. Free account, no card, no API key.
- 3
Ask
Start a new Codex chat and ask in plain English. Type /mcp any time to check StalkChain is connected.
70+ tools · 7 chains · FOMO, StonkFun and Jupiter data · last hour to all-time
- Run this once in your terminal.
- Codex spots the sign-in and opens your browser. Sign in to StalkChain and press Approve.
- No browser popped up? Run codex mcp login stalkchain.
- Inside Codex, type /mcp to check the connection. Codex now sees all 70+ tools.
codex mcp add stalkchain --url https://data.stalkchain.com/mcp- In the ChatGPT desktop app, open Settings → MCP servers. In the IDE extension, open the gear menu → MCP servers.
- Click Add server, name it stalkchain, choose Streamable HTTP and paste the link below.
- Save, then click Restart (Restart extension in your IDE).
- Click Authenticate next to stalkchain, sign in and press Approve.
- Already added it in the CLI? Skip this. The app, CLI and IDE extension share one config.
https://data.stalkchain.com/mcp- Create a key in your StalkChain dashboard.
- Put it in an environment variable and add the server with it. No browser sign-in, so it works on servers, cron and CI.
export STALKCHAIN_API_KEY=sc_your_key
codex mcp add stalkchain --url https://data.stalkchain.com/mcp \
--bearer-token-env-var STALKCHAIN_API_KEYWhat does Codex answer with StalkChain connected?
Receipts, not guesses. Real answers from the live connector: fresh entries, the FOMO leaderboard, KOL bags and one trade traced from entry to today. Pick a question.
Five tokens picked up buys from three or more tracked traders in the last 45 minutes:
- $AIRobinhood Chain10 tradersLargest position: winter4soldier, $339k
- $CATESolana7 tradersLargest position: moerderin, $59k
- $EDELBase6 tradersLargest position: deepfullpigeon, $27k
- $SISolana4 tradersLargest position: midrunner, $80k
- $STONKSolana4 tradersLargest position: lijiawei, $47k
$AI on Robinhood Chain stands out: 10 different traders bought between 13:01 and 13:37 UTC. Want me to check its dev and holders next?
Top 5 traders by 7-day PnL:
- 1pricedin109 trades+$790,276
- 2RareDualJay370 trades+$756,992
- 3ExactTallTakin85 trades+$754,936
- 4Clam393 trades+$592,454
- 5sigh1,897 trades+$516,329
4 of the 5 have the same biggest bag: ORBIO, on Robinhood Chain.
Tracked traders are deep in ORBIO on Robinhood Chain:
| Holder | Bag | Cost |
|---|---|---|
| Clam | $1.63M | $30.6k |
| pricedin | $1.58M | $9.9k |
| RareDualJay | $1.54M | $4.8k |
| CP | $1.21M | $2.40M |
| Ser Albert | $1.18M | $91.7k |
Heads up: the last hour is net −$162k ($291k sold vs $129k bought), even though the day is still net positive.
pricedin's best trade on record:
- Sep 1Bought ORBIO at an average of $0.000516, $9.9k in
- SinceTook $97k in profit along the way
- TodayHolds 17.15M ORBIO, worth $1.58M
Thesis posted on FOMO, Sep 1“liquid funds buying but not yet shilling. guess what happens next”
Real StalkChain answers, trimmed to fit. Handles are public FOMO traders. Data, not financial advice.
Which chains and data sources are covered?
All 7 chains through one connector. Codex reads FOMO traders, StonkFun launches and wallet and token data on every one, from the last hour back to all-time.
Which chains and sources can Codex pull?
Every chain and source below works in Codex through the same connection. Open one for the questions, tools and a real answer.
Can't Codex just look this up itself?
Not well. FOMO sits behind a login, explorers show one wallet per tab, and Codex's memory stops at its training cutoff. StalkChain closes all three gaps.
| By hand | Codex alone | Codex + StalkChain | |
|---|---|---|---|
| FOMO trader wallets, PnL and theses | In the app, one profile at a time, wallets hidden | Can't log in | FOMO handles resolved to real wallets |
| Live entries, holders and flow | Refresh tab after tab | Web search snippets at best | Last hour, across 7 chains |
| History: PnL, fills, prices, launches | Exports and spreadsheets | Training data, months old | 24h to all-time, fill by fill |
| Dev, sniper and exit checks | Four sites, four tabs | Educated guesses | One question (on-chain checks on Solana) |
| One wallet across every chain | One explorer per chain | Page by page, if it loads | Holdings on all 7 chains, one answer |
What can Codex do with StalkChain?
Ask like you'd ask the group chat. Codex picks the tools and comes back with wallets, dollar amounts and timestamps.
Catch smart-money entries
See which tokens three or more tracked traders bought in the last hour, who they are and how big they went.
Check a token before you ape
Deployer's past launches, snipers, LP burn, wash-trade score and a real exit quote. Solana tokens.
Research a trader before you copy
Real wallets, PnL from 24h to all-time, average hold time, open bags and the theses they wrote.
See if KOLs are exiting
How many tracked traders hold a token, what they paid, and what share of them sold recently.
Size up any wallet
Holdings on all 7 chains for any address. On EVM, its age and who funded it. On Solana, its PnL.
Go back in time
All-time PnL, fill-by-fill trade history, past prices, a deployer's earlier launches and the theses traders posted.
What is the StalkChain MCP?
The StalkChain MCP is a Model Context Protocol server that gives Codex 70+ tools for live and historical blockchain data across 7 chains, FOMO trader activity included.
- One link with OAuth sign-in. No API key needed in chat
- 70+ tools for traders, tokens, wallets, launches and DeFi
- Live and historical: last-hour entries, all-time PnL, past fills, price history
- 7 chains: Robinhood Chain, Solana, Base, BNB Chain, Ethereum, Monad, Hyperliquid perps
- Research tools read public data. Never asks for a seed phrase or private key
# Traders
search, resolve to wallets, positions, fills, PnL per window, spotlight, followers
# Tokens
holders, KOL holders, dev and insider bags, buy/sell flow, sell pressure
# Live
alert feed, multi-trader entries, coordinated buys, live stream
# History
all-time PnL, past fills, price history, launch records, exploits
# Solana on-chain
deployer history, snipers, real holders, wash trading, exit liquidity
# Wallets & DeFi
cross-chain portfolios, wallet age, yields, protocol riskHow do I get a daily smart-money digest?
Codex can't ping you, but codex exec runs without a chat window. Add StalkChain with an API key, schedule one script, and a fresh digest is waiting every morning.
# digest.sh — run from cron or CI
export STALKCHAIN_API_KEY=sc_your_key
codex exec --skip-git-repo-check --ephemeral \
-c 'mcp_servers.stalkchain.default_tools_approval_mode="approve"' \
"7d FOMO leaderboard: top 10, one line each with pnl and biggest bag. flag any token 3+ of them hold." \
>> ~/stalkchain-digest.md
# crontab -e: every morning at 08:00
0 8 * * * ~/digest.shCodex CLI, IDE extension or desktop app? It works in all three.
Codex CLI
OpenAI's coding agent in your terminal. One command adds StalkChain, and with an API key it runs on a schedule.
IDE extension
Codex inside VS Code, Cursor and Windsurf. Add StalkChain from the gear menu, or reuse the server you added in the CLI.
ChatGPT desktop app
Codex runs inside the ChatGPT app on Mac, Windows and Linux. Add StalkChain under Settings; it shares config with the CLI.
What does it cost?
Connecting is free and needs no card. Free tools, like the live feed sample, work right away. Research lookups run on credit packs that never expire.
See plans →Is it safe?
You sign in with OAuth, so Codex never sees a password or API key. The research tools read public data, and StalkChain never asks for your seed phrase or private keys. Disconnect any time.
Something not working?
- StalkChain tools don't show up
- Start a new chat and make sure StalkChain is enabled for it.
- A tool says you're out of credits
- The free tools keep working. Top up in your StalkChain dashboard, then ask again.
- Sign-in keeps looping
- Remove the connector, add the link again and approve once.
StalkChain for Codex: questions
Data Codex can't reach on its own. One link gives it 70+ tools for live and historical blockchain data across 7 chains, plus FOMO trader activity: handles resolved to real wallets, PnL from 24h to all-time, positions and written theses.
FOMO's trader data sits behind a login, inside an app that only renders with JavaScript, so a plain web fetch comes back empty. StalkChain resolves FOMO handles to their Solana and EVM wallets and returns PnL, positions, fills and theses.
Run codex mcp add stalkchain --url https://data.stalkchain.com/mcp. Codex opens your browser; sign in and approve, no API key needed. In the ChatGPT desktop app or IDE extension, add the same link under MCP servers as Streamable HTTP.
Codex comes with every ChatGPT plan, from Free to Enterprise, or an OpenAI API key. OpenAI lists MCP support on Plus, Pro, Business, Enterprise, Edu and API-key sign-in. Free and Go get Codex in the desktop app, subject to rollout.
Not directly. Codex connects to custom MCP servers from your machine: the CLI, IDE extension and ChatGPT desktop app, which share one config. Codex Cloud tasks and ChatGPT on the web use installed plugins and don't read that config.
Connecting is free and needs no card. Free tools, like the live feed sample, work right away. Most research lookups are paid; the plans are listed on data.stalkchain.com.
Robinhood Chain, Solana, Base, BNB Chain, Ethereum, Monad and Hyperliquid perps. Trader data comes from FOMO, launch data from StonkFun, plus Jupiter. Deployer and sniper checks are Solana-only; wallet age and funding checks are EVM-only.
From the last hour back to all-time. Codex can pull PnL for 24h, 7d, 30d or all-time, fill-by-fill trade history, past prices, a deployer's earlier launches and DeFi exploit records.
Yes. Ask Codex to set a StalkChain alert: when a token crosses a price, or when two or more tracked traders buy it within a few minutes. It fires once, by email or to a Discord, Slack or Telegram webhook, and works on Solana, Ethereum, Base and BNB Chain.
It never touches your wallet. The research tools work on public data, and connecting never asks for a seed phrase, private key or signature. You sign in with OAuth and can disconnect any time.
No. StalkChain gives Codex data, not signals: who bought, what they hold, what they sold and when. What you do with it is your call.
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Any MCP client
Streamable HTTP with OAuth, or an API key.
REST API
Call any tool from your own code.
Let Codex pull the receipts
FOMO and more, live and historical, in the chat you already use. Free to connect. Not financial advice.