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tool-polymarket-book

Original：🇺🇸 English

Translated

Use the polymarket_book tool to fetch Polymarket CLOB order book depth (YES/NO) via Gamma + CLOB and expose best bid/ask/mid.

1installs

Sourcecaptaindpt/truth-terminal

Added on2026-02-16

NPX Install

npx skill4agent add captaindpt/truth-terminal tool-polymarket-book

Tags

Translated version includes tags in frontmatter

polymarket-book clob-orderbook gamma-integration liquidity-check order-data-fetching

SKILL.md Content

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polymarket_book (Polymarket CLOB book)

When to use

Liquidity check before sizing into a market.
Spread + depth + mid estimation.

Parameters

```
marketId
```
(string, required): Gamma numeric id (e.g.
```
"516710"
```
) or conditionId hex (
```
"0x..."
```
).
```
outcome
```
(
```
"YES" | "NO"
```
, optional): Defaults to
```
"YES"
```
.
```
depth
```
(int, optional, 1–200): Levels per side; default 20.

Examples

json

{ "name": "polymarket_book", "params": { "marketId": "0xabc...def", "outcome": "YES", "depth": 50 } }

Output

Returns:

{ marketId, conditionId, question, slug, endDate, outcome, tokenId, bookAvailable, bestBid, bestAsk, mid, bids[], asks[], ts }

Rendered:
- Emits a JSON output with title
```
orderbook
```
  (used by the UI to open/focus a book window when available).
- ```
Market
```
  (text with mid/bid/ask and “no CLOB orderbook” when missing)
- ```
Asks
```
  +
```
Bids
```
  (tables)

Notes

Some markets have no CLOB orderbook; the tool returns
```
bookAvailable=false
```
and empty bids/asks.
```
targetWindow
```
:
```
book
```