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Directory / Polymarket MCP by Nova (CIVAI)

Polymarket MCP by Nova (CIVAI)

Q: Is Polymarket MCP by Nova (CIVAI) server safe?

QAmcp's test on 2 Nov 2026: None of the hidden-instruction wordings we know were found in its tool descriptions. 0 of its 18 tools are labeled read-only; the others may change or send things. Overall it scored 82/100 on 2 Nov 2026. A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

by nova.civai.co · https://nova.civai.co/mcp/agents/mcp-bgpt-polymarket

Browse prediction markets, check odds, and follow big trades.

18 tools✓ no account neededPricing: not listed

Visit website

82 /100

PASS · WITH NOTES

Partial: 9 of 12 checks · 2 Nov 2026

Is Polymarket MCP by Nova (CIVAI) server safe?

None of the hidden-instruction wordings we know were found in its tool descriptions.
0 of its 18 tools are labeled read-only; the others may change or send things.
Overall it scored 82/100 on 2 Nov 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What it can do

18 tools, in the server's own words.

get_whale_trades

Returns recent large Polymarket trades above a USD size threshold.

get_market_odds

Returns current prices, implied probability, volume, liquidity, and metadata for a specific Polymarket market by slug.

get_trader_profile

Returns performance data for any Polymarket wallet — PnL, ROI, win rate, trade count, classification, and leaderboard rank.

get_leaderboard

Returns top Polymarket traders ranked by PnL, ROI, win rate, or volume.

get_market_summary

Returns a pre-formatted, AI-citable summary paragraph for any Polymarket market, plus raw data fields.

search_markets

Full-text search across all active Polymarket markets.

get_market_movers

Returns Polymarket markets with the largest price movements in the last 24 hours.

get_site_stats

Returns aggregate PolymarketScan platform statistics.

get_price_history

Returns historical YES price / implied probability snapshots over time for a Polymarket market.

get_market_orderbook

Returns bid/ask depth, spread, and liquidity quality for a Polymarket market.

get_related_markets

Finds related Polymarket markets — sibling outcomes in the same event, or other markets in the same category/topic.

get_trader_positions

Returns current open positions for a Polymarket wallet (from PolymarketScan's positions cache).

get_trader_activity

Returns recent trades executed by a Polymarket wallet.

get_market_news_context

Returns recent news articles relevant to a Polymarket market topic, useful for grounding LLM analysis.

get_arbitrage_opportunities

Returns markets with mispriced outcomes or cross-platform (Polymarket vs Kalshi) price inconsistencies.

get_market_resolution_status

Returns resolution state, outcome, close date, and resolution-source metadata for a Polymarket market.

get_position_transfers

Returns recent ERC1155 conditional-token (share) transfers on Polymarket.

get_wallet_transfers

Returns ERC1155 share transfers involving a specific wallet (as sender or recipient).

Test results

Safe mode: only tools labeled read-only were run. How the test works

!
Ready for the newest MCP version
1 warning
- !Uses an older MCP version (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
!
Tools are labeled safe or dangerous
1 warning
- !18 of 18 tools have no safety label (read-only or dangerous): get_whale_trades, get_market_odds, get_trader_profile, get_leaderboard, get_market_summary, search_markets, get_market_movers, get_site_stats, get_price_history, get_market_order
note
!
Follows MCP best practices (not scored yet)
2 tips (not scored)
- !18 tools not labeled read-only don't say whether running them twice is safe (idempotentHint): get_whale_trades, get_market_odds, get_trader_profile, get_leaderboard, get_market_summary, search_markets and 12 more
- !18 tools don't say whether they reach outside services like the web (openWorldHint): get_whale_trades, get_market_odds, get_trader_profile, get_leaderboard, get_market_summary, search_markets and 12 more
note
!
Resources and prompts work
1 warning (1 resource)
- !civai-secops://polymarket/@public/CAPTCHA_AGENT.md: The content contains "don't tell the user". If an AI reads this, it may follow it. Check where this text comes from.
- and 2 more
note
✓
ConnectsConnected in 190 ms
pass
✓
Lists its toolsFound 18 tools
pass
✓
Every tool is describedAll 18 tools and their inputs are described
pass
✓
No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.
pass
✓
Fast enough
All good
- ✓Connecting took 190 ms
- ✓Listing tools took 156 ms
pass
–
Tools work with good inputs
Not tested
- –get_whale_trades: Not run: no safety label (if you own this server, test again in owner mode)
- –get_market_odds: Not run: no safety label (if you own this server, test again in owner mode)
- –get_trader_profile: Not run: no safety label (if you own this server, test again in owner mode)
- –get_leaderboard: Not run: no safety label (if you own this server, test again in owner mode)
- –get_market_summary: Not run: no safety label (if you own this server, test again in owner mode)
- –search_markets: Not run: no safety label (if you own this server, test again in owner mode)
- –get_market_movers: Not run: no safety label (if you own this server, test again in owner mode)
- –get_site_stats: Not run: no safety label (if you own this server, test again in owner mode)
- and 10 more
not tested
–
Bad inputs give a clean errorNot tested
not tested
–
Tools work togetherNo safe tool returned data to start a chain from, so chains were not tested (not counted either way)
not tested
–
No secrets leakedNo error messages to check
not tested

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://nova.civai.co/mcp/agents/mcp-bgpt-polymarket

Show this score on GitHub

Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.

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Score over time

2 Nov 202682

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use Polymarket MCP by Nova (CIVAI), signed in with GitHub, one per person. Reviews never change the score.

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