io.github.evidai/polymarket-guard
NPM · POLYMARKET-GUARD-MCP · SCANNED AUG 3
Polymarket prediction markets — buy/sell positions in USDC. LemonCake pay-per-call billing.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →
Supply Chain Security87
- No malware found by supply-chain analysis.Pass
- Only part of the dependency tree could be resolved (96 of 100), so this covers what we could see, not the whole tree.Partial
- No install/post-install scripts declared.Pass
- Only part of the dependency tree could be resolved (96 of 100), so this covers what we could see, not the whole tree. View diagnostics → Partial
Provenance & Transparency45
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (MIT).Pass
- Actively maintained (last published 72 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability75
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 1091 tokens (~99/item across 11 items; 11 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management27
- Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage98
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 95% of tool parameters carry a description.Partial
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.
npm · polymarket-guard-mcp
claude mcp add evidai-polymarket-guard -- npx -y polymarket-guard-mcp
codex mcp add evidai-polymarket-guard -- npx -y polymarket-guard-mcp
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"evidai-polymarket-guard": {
"type": "local",
"command": [
"npx",
"-y",
"polymarket-guard-mcp"
],
"enabled": true
}
}
} openclaw mcp add evidai-polymarket-guard --command npx --arg -y --arg polymarket-guard-mcp
mcp_servers:
evidai-polymarket-guard:
command: "npx"
args: ["-y", "polymarket-guard-mcp"] {
"mcpServers": {
"evidai-polymarket-guard": {
"command": "npx",
"args": [
"-y",
"polymarket-guard-mcp"
]
}
}
} 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.
- 3 Aug 26 +4
- Stability: unverified → 0.27 ▲ functional
- 2 Aug 26 +60
- Provenance: unverified → fail ▼ security
- Install scripts: unverified → pass ▲ security
- Known CVEs: unverified → partial ▲ security
- Malware scan: unverified → pass ▲ security
- Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window). security
- License: unverified → pass ▲ functional
- Dependency health: unverified → partial ▲ functional
- Maintenance: unverified → pass ▲ functional
- MCP protocol: unverified → pass ▲ functional
- Schema quality: unverified → good ▲ functional
- Tool coverage: unverified → 100 ▲ functional
- Licence: MIT functional
- 1 Aug 26 −16
- Tool coverage: 100 → unverified ▼ functional
- First check of Schema quality: unverified functional
- 31 Jul 26 −25
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 27 Jul 26 46
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 3 Aug 2026 · Analysed npm/[email protected]
Provenance none
Ecosystem: npm · Outcome: none
Dependencies 96 packages
96 packages in the resolved dependency tree · 95 deprecated · 29 stale.
The dependency tree was only partially resolved, so these counts may be incomplete.
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.
cancel_order ~58
Cancel an open limit order by order ID. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.10 USDC via LemonCake.
| Name | Type | Req | Description |
|---|---|---|---|
| order_id | string | yes | The order ID returned by place_limit_order or get_trade_history |
No output schema declared.
No examples provided.
get_balance ~45
Get your USDC balance and token allowances on Polymarket's Polygon contracts. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.05 USDC via LemonCake.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
get_market ~60
Get full details for a single Polymarket market by its condition ID or slug. Includes resolution criteria, outcomes, current prices, and volume. Free — no billing.
| Name | Type | Req | Description |
|---|---|---|---|
| condition_id | string | yes | Market condition ID (hex string) or market slug |
No output schema declared.
No examples provided.
get_order_book ~67
Get the live order book (bids and asks) for a Polymarket market token. Use token_id from list_markets or get_market. Free — no billing.
| Name | Type | Req | Description |
|---|---|---|---|
| token_id | string | yes | The token ID for a specific outcome (YES or NO) from get_market |
No output schema declared.
No examples provided.
get_positions ~78
Get your current open positions on Polymarket: market titles, outcome tokens, shares held, cost basis, and current P&L. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.05 USDC via LemonCake.
| Name | Type | Req | Description |
|---|---|---|---|
| size_threshold | number | — | Only return positions larger than this (default 0 = all positions) |
No output schema declared.
No examples provided.
get_trade_history ~81
Get your past trades on Polymarket: order IDs, market, outcome, price, size, timestamp. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.05 USDC via LemonCake.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | number | — | Number of trades to return (default 20, max 100) |
| offset | number | — | Pagination offset |
No output schema declared.
No examples provided.
list_markets ~96
List active Polymarket prediction markets. Returns market titles, condition IDs, token IDs, volume, and YES/NO prices. Free — no billing.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | number | — | Max markets to return (default 20, max 100) |
| offset | number | — | Pagination offset (default 0) |
| tag | string | — | Filter by tag/category, e.g. 'politics', 'crypto', 'sports' |
No output schema declared.
No examples provided.
place_limit_order ~162
Place a limit order to buy or sell outcome shares at a specific price on Polymarket CLOB. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.10 USDC via LemonCake.
| Name | Type | Req | Description |
|---|---|---|---|
| expiration | string | — | Order time-in-force: GTC=Good Till Cancel (default), GTD=till date, FOK=Fill or Kill, IOC=Immediate or Cancel |
| price | number | yes | Limit price (0–1, representing probability/cents per share). E.g. 0.65 = 65 cents. |
| side | string | yes | — |
| size | number | yes | Number of shares to buy or sell |
| token_id | string | yes | Outcome token ID (YES or NO) from get_market |
No output schema declared.
No examples provided.
place_market_order ~139
Buy or sell outcome shares at market price on Polymarket. USDC cost is calculated at the current best ask/bid. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.10 USDC via LemonCake.
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | yes | USDC amount to spend (BUY) or number of shares to sell (SELL) |
| side | string | yes | BUY outcome shares or SELL shares you hold |
| slippage_tolerance | number | — | Max acceptable slippage as a decimal (default 0.02 = 2%) |
| token_id | string | yes | Outcome token ID from get_market (YES or NO token) |
No output schema declared.
No examples provided.
redeem_positions ~71
Claim winnings from resolved Polymarket markets. Redeems outcome token shares for USDC if the market resolved in your favor. Requires POLYMARKET_PRIVATE_KEY. Billed at $0.10 USDC via LemonCake.
| Name | Type | Req | Description |
|---|---|---|---|
| condition_id | string | yes | Condition ID of the resolved market to redeem from |
No output schema declared.
No examples provided.
search_markets ~66
Search Polymarket markets by keyword. Searches market titles and descriptions. Free — no billing.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | number | — | Max results (default 20, max 100) |
| query | string | yes | Search keyword(s), e.g. 'bitcoin ETF', 'US election' |
No output schema declared.
No examples provided.