predictDEX
REMOTE · PREDICT.DEX.MK · SCANNED SEP 25
Live Polymarket odds, order books, fee-inclusive quotes and non-custodial prediction trading.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security80
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability87
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (excellent).Pass
- Tool/resource definitions use about 1409 tokens (~93/item across 15 items; 11 tools + 4 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management3
- Stability observed for 1 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 11 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 13 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
How do I install the predictDEX MCP server?
predictDEX is a hosted endpoint at https://predict.dex.mk/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · predict.dex.mk
claude mcp add --transport http mk-dex-predictdex 'https://predict.dex.mk/mcp'
{
"mcpServers": {
"mk-dex-predictdex": {
"url": "https://predict.dex.mk/mcp"
}
}
} {
"servers": {
"mk-dex-predictdex": {
"type": "http",
"url": "https://predict.dex.mk/mcp"
}
}
} [mcp_servers.mk-dex-predictdex] url = "https://predict.dex.mk/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"mk-dex-predictdex": {
"type": "remote",
"url": "https://predict.dex.mk/mcp",
"enabled": true
}
}
} openclaw mcp add mk-dex-predictdex --url 'https://predict.dex.mk/mcp' --transport streamable-http
mcp_servers:
mk-dex-predictdex:
url: "https://predict.dex.mk/mcp" {
"McpServers": {
"mk-dex-predictdex": {
"Transport": "http",
"Url": "https://predict.dex.mk/mcp"
}
}
} assistant mcp add mk-dex-predictdex -t streamable-http -u 'https://predict.dex.mk/mcp'
{
"mcpServers": {
"mk-dex-predictdex": {
"type": "http",
"url": "https://predict.dex.mk/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 25 Sept 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 24 Sept 26 76
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 25 Sept 2026 · Probed https://predict.dex.mk/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=predict.dex.mk | CN=YR1,O=Let's Encrypt,C=US | 24 Sept 2026 | 23 Dec 2026 | RSA 2048 | SHA256-RSA | 5f8d8d800f75d056c4ab96d6cd43801d008 |
| SANs: predict.dex.mk | ||||||
| CN=YR1,O=Let's Encrypt,C=US (CA) | CN=Root YR,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | RSA 2048 | SHA256-RSA | a20253f15f2691c05dc1ce13b9bcca4e |
| CN=Root YR,O=ISRG,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | RSA 4096 | SHA256-RSA | f24b6d17f9d9ad7cb1c9fea78782699f |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of predict.dex.mk. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| mk. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=63072000; includeSubDomains; preload |
| content-security-policy | default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https:; font-src 'self' data:; connect-src 'self' https://gamma-api.polymarket.com https://clob.polymarket.com https://data-api.polymarket.com https://polymarket.com https://relayer-v2.polymarket.com https://bridge.polymarket.com wss://ws-subscriptions-clob.polymarket.com wss://ws-live-data.polymarket.com https://polygon.drpc.org https://polygon.publicnode.com https://polygon-bor-rpc.publicnode.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self' |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | camera=(), microphone=(), geolocation=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://predict.dex.mk/mcp | Verified | 200 | |
| http (plaintext) | http://predict.dex.mk/mcp | HTTPS enforced | 308 | https://predict.dex.mk/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
attest_agent Attest as an agent (get a token) ~91
Submit the signed attestation. Returns a 30-day agent token that unlocks gasless Polymarket account setup through predictDEX's signer for your address only. It grants no custody and no exemption from region rules.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | 0x address that signed |
| message | string | yes | The exact challenge message |
| signature | string | yes | 0x EIP-191 signature |
No output schema declared.
No examples provided.
create_trade_link Create a trade link for a person ~132
A pre-filled predictDEX ticket URL (event, market, outcome, side, amount) for a person to review and sign in their own wallet. Opening it executes nothing. Use this when you have no wallet or need human confirmation.
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | USD to spend for BUY, shares for SELL |
| market | string | – | Market id or conditionId (defaults to the event's main market) |
| outcome | string | – | 0 = first outcome (Yes), 1 = second (No) |
| side | string | – | BUY or SELL |
| slug | string | yes | Event slug |
No output schema declared.
No examples provided.
get_agent_challenge Get an agent attestation challenge ~60
Returns the canonical 'predictDEX Agent Attestation v1' message for your address. Sign it with EIP-191 personal_sign within 10 minutes and pass it to attest_agent.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | Your 0x wallet address |
No output schema declared.
No examples provided.
get_event Get one event ~76
Full event by slug: every market, outcome names and prices, token ids, tick size, min order size, rules summary, resolution source and status. Optionally include recent trades.
| Name | Type | Req | Description |
|---|---|---|---|
| recentTrades | integer | – | Include up to N recent trades (0-50) |
| slug | string | yes | Event slug from search_markets |
No output schema declared.
No examples provided.
get_leaderboard Get the trader leaderboard ~57
Top Polymarket traders by profit or volume over a window.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | Rows (1-100, default 25) |
| metric | string | – | Ranking metric |
| window | string | – | Time window |
No output schema declared.
No examples provided.
get_orderbook Get the order book ~73
Live order book for one outcome token: bids and asks (price 0-1, size in shares), spread, midpoint and last trade.
| Name | Type | Req | Description |
|---|---|---|---|
| depth | integer | – | Levels per side (1-100, default 20) |
| tokenId | string | yes | Outcome token id (digits) from get_event |
No output schema declared.
No examples provided.
get_positions Get positions of a wallet ~54
Open positions of a Polymarket trading account or its owner address: size, average price, current price, value and P&L.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | 0x address (owner EOA or Deposit Wallet) |
No output schema declared.
No examples provided.
get_price_history Get price history ~43
Price (probability) history for one outcome token over a range.
| Name | Type | Req | Description |
|---|---|---|---|
| range | string | – | Time range |
| tokenId | string | yes | Outcome token id |
No output schema declared.
No examples provided.
get_trading_setup How to trade through predictDEX ~68
Everything an agent with its own wallet needs to trade: chain, collateral (pUSD), builder code, signer URL, attestation steps, fees and a ready-to-run TypeScript snippet using Polymarket's official SDK. Non-custodial: you sign with your own key.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
quote_order Quote an order (fee-inclusive) ~206
Preview an order against the live book without placing it: average and worst price, shares, cost, payout if the outcome wins, Polymarket fee, predictDEX fee and warnings. Market BUY amount is USD to spend all-in; market SELL and limit amounts are shares.
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | yes | USD for a market BUY, shares otherwise |
| expiration | integer | – | GTD expiry, unix seconds |
| orderType | string | – | FAK/FOK for market, GTC/GTD for limit |
| postOnly | boolean | – | Limit orders: rest only, never take |
| price | number | – | Limit price as probability 0-1 (required for limit) |
| side | string | – | BUY or SELL |
| slippage | number | – | Market orders: max price move in price units, e.g. 0.02 |
| tokenId | string | yes | Outcome token id |
| type | string | – | market (default) or limit |
No output schema declared.
No examples provided.
search_markets Search prediction markets ~176
Find events and their markets with live odds. Filter by free-text query, category slug (see predict://categories), sort and status. Each event lists markets with outcomes, token ids, best bid/ask, tick size and a human URL.
| Name | Type | Req | Description |
|---|---|---|---|
| category | string | – | Category slug, e.g. politics, crypto, sports, new, breaking, ending |
| limit | integer | – | Events to return (1-50, default 20) |
| maxMarkets | integer | – | Markets per event (1-50, default 5) |
| offset | integer | – | Pagination offset |
| q | string | – | Free-text search, e.g. 'fed rate october' or 'bitcoin 150k' |
| sort | string | – | Sort order |
| status | string | – | active (default), resolved or all |
No output schema declared.
No examples provided.
What is the predictDEX MCP server?
predictDEX is an MCP server listed in the public MCP registry as mk.dex/predictdex. Live Polymarket odds, order books, fee-inclusive quotes and non-custodial prediction trading. This page covers its hosted endpoint (https://predict.dex.mk/mcp).
Is the predictDEX MCP server safe to use?
predictDEX scores 76 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the predictDEX MCP server expose?
predictDEX exposes 11 tools: search_markets, get_event, get_orderbook, get_price_history, quote_order, and 6 more. Their descriptions and schemas cost roughly 1,036 tokens of context every time the server is loaded.
Does the predictDEX MCP server require authentication?
No. We connected to predictDEX without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the predictDEX MCP server still maintained?
predictDEX is still listed as active in the MCP registry. We last reached this channel on 25 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.