polymarket SKILL.md skillA

polymarket from starchild-ai-agent/official-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add starchild-ai-agent/official-skills/polymarket@v6.1.0

Pins v6.1.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
starchild-ai-agent/official-skills
Path
polymarket/SKILL.md
Versions recorded
5
Latest version
v6.1.0, committed Jul 14, 2026
First version recorded
May 21, 2026
Size
9,207 bytes
Repository stars
32
License
none declared

Trade on Polymarket prediction markets (CLOB V2) from a Privy EOA wallet. Search markets, place/cancel orders, manage positions. No private key handling. Use when the user wants to bet on event outcomes (e.g. "buy YES at 0.65 on the ceasefire market", "what are my open positions", "close my Trump bet").

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Polymarket Trading (CLOB V2)

Script-first. Every workflow is one bash call + at most one `wallet_sign_typed_data` (which can't be scripted because it's a wallet RPC). Verified live: see Changelog v5.1.0.

---

## TL;DR — Trade in 3 steps

```bash
# 1. One-time setup (idempotent — safe to re-run)
python3 scripts/setup.py --all 10        # wrap 10 USDC.e -> pUSD + all approvals

# 2. Find a market
python3 scripts/search.py "trump" --limit 3   # returns token_ids

# 3. Place order
python3 scripts/prepare_order.py <token_id> BUY <price> <size>
# → sign /tmp/poly_order.json via wallet_sign_typed_data
python3 scripts/post_order.py <signature>
```

All scripts live in `skills/polymarket/scripts/` and assume working dir is the skill folder.

---

## Account prerequisites (one-time, on-chain)

CLOB V2 settles in **pUSD** (an ERC-20 USDC wrapper), NOT raw USDC.e. Before the first order, the EOA must:

1. Hold USDC.e on Polygon (any amount ≥ what you want to trade).
2. Wrap USDC.e → pUSD via `CollateralOnramp.wrap()`.
3. `approve(pUSD, spender, MAX)` for the 3 V2 exchange spenders.
4. `setApprovalForAll(CTF, spender, true)` for the same 3 spenders (needed for SELL/redemption).
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add starchild-ai-agent/official-skills/polymarket@sha256:2a5edf15a7de111d

The line at the top of this page pins the label v6.1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_6rs7yqljaegnjtsd.svg)](https://markdownregistry.com/a/art_6rs7yqljaegnjtsd)

6 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between May 21, 2026 and Jul 14, 2026, about one every 13 days.

versioncommittedcommitsizeaudit
v6.1.0 latest2026-07-14 98a8254 9,207 BA view · diff
v6.0.12026-05-27 5c30986 9,207 BA view · diff
v6.0.02026-05-27 d887b29 8,504 BA view · diff
v5.0.22026-05-26 11104dd 6,308 BA view · diff
v5.0.12026-05-21 868b4d4 5,236 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (9207 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

starchild-ai-agent/official-skills · 32 stars · license none declared · pushed 2026-11-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_6rs7yqljaegnjtsd
GET https://markdownregistry.com/api/v1/resolve?ref=starchild-ai-agent/official-skills/polymarket
GET https://markdownregistry.com/api/v1/blob/2a5edf15a7de111dbbc46acb3faad6d80444950cf4d8b095b0bb0c3f9d09cef7

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in starchild-ai-agent/official-skills

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