Web3 Polymarket
Polymarket/agent-skills
Polymarket integration for prediction market trading on Polygon.
Polymarket screeners — discover trending events, top markets by volume, and search for specific markets.
Install Nansen Prediction Markets
$ npx skills add nansen-ai/nansen-cli --skill nansen-prediction-markets -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install nansen-ai/nansen-cli nansen-prediction-markets --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/nansen-ai/nansen-cli.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/nansen-prediction-markets .claude/skills/nansen-prediction-markets && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "nansen-prediction-markets" agent skill from https://github.com/nansen-ai/nansen-cli/tree/main/skills/nansen-prediction-markets into .claude/skills/nansen-prediction-markets/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nansen-prediction-markets", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/nansen-ai/nansen-cli/tree/main/skills/nansen-prediction-marketsType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add nansen-ai/nansen-cli --skill nansen-prediction-markets -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install nansen-ai/nansen-cli nansen-prediction-markets --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/nansen-ai/nansen-cli.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/nansen-prediction-markets .agents/skills/nansen-prediction-markets && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "nansen-prediction-markets" agent skill from https://github.com/nansen-ai/nansen-cli/tree/main/skills/nansen-prediction-markets into .agents/skills/nansen-prediction-markets/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nansen-prediction-markets", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add nansen-ai/nansen-cli --skill nansen-prediction-markets -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install nansen-ai/nansen-cli nansen-prediction-markets --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/nansen-ai/nansen-cli.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/nansen-prediction-markets .cursor/skills/nansen-prediction-markets && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "nansen-prediction-markets" agent skill from https://github.com/nansen-ai/nansen-cli/tree/main/skills/nansen-prediction-markets into .cursor/skills/nansen-prediction-markets/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nansen-prediction-markets", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/nansen-ai/nansen-cli.git --path skills/nansen-prediction-markets--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add nansen-ai/nansen-cli --skill nansen-prediction-markets -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install nansen-ai/nansen-cli nansen-prediction-markets --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/nansen-ai/nansen-cli.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/nansen-prediction-markets .gemini/skills/nansen-prediction-markets && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "nansen-prediction-markets" agent skill from https://github.com/nansen-ai/nansen-cli/tree/main/skills/nansen-prediction-markets into .gemini/skills/nansen-prediction-markets/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nansen-prediction-markets", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install nansen-ai/nansen-cli nansen-prediction-marketsInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add nansen-ai/nansen-cli --skill nansen-prediction-markets -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/nansen-ai/nansen-cli.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/nansen-prediction-markets .github/skills/nansen-prediction-markets && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "nansen-prediction-markets" agent skill from https://github.com/nansen-ai/nansen-cli/tree/main/skills/nansen-prediction-markets into .github/skills/nansen-prediction-markets/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nansen-prediction-markets", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add nansen-ai/nansen-cli --skill nansen-prediction-markets -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install nansen-ai/nansen-cli nansen-prediction-markets --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/nansen-ai/nansen-cli.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/nansen-prediction-markets .opencode/skills/nansen-prediction-markets && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "nansen-prediction-markets" agent skill from https://github.com/nansen-ai/nansen-cli/tree/main/skills/nansen-prediction-markets into .opencode/skills/nansen-prediction-markets/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nansen-prediction-markets", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
nansen-prediction-markets- GitHub stars
- 139
- Used in
- 2 other repos
- Token cost
- ~952 tokens
- SKILL.md length
- 338 words
- Files
- 1
- Skills in repo
- 32
- Repo updated
- First seen
- Licence
- MIT
At a glance
Polymarket screeners — discover trending events, top markets by volume, and search for specific markets.
- Browsing whats happening on prediction markets
- Needs NANSEN_API_KEY
What it does
Nansen Prediction Markets is an agent skill from nansen-ai/nansen-cli. Polymarket screeners — discover trending events, top markets by volume, and search for specific markets. Use when browsing what's happening on prediction markets.
Its SKILL.md is about 950 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Backend & APIs. It works with Polymarket. The licence is MIT.
When your agent uses it
- Browsing whats happening on prediction markets
Example prompts
- “/nansen-prediction-markets”
Requirements
- A credential in NANSEN_API_KEY
- Pre-approved tools (allowed-tools): Bash(nansen:*)
What it can do on your machine
Read from SKILL.md and the folder at commit d097942. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
Bash(nansen:*)
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names these keys or tokens, usually read from environment variables:
NANSEN_API_KEY
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Nansen Prediction Markets loads about 952 tokens when it runs. Until then it costs about 47 tokens; SKILL.md has 338 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from nansen-ai/nansen-cli at commit d097942, republished under its MIT licence (© nansen-ai). 338 words, ~952 tokens.
Download SKILL.mdSave it as
.claude/skills/nansen-prediction-markets/SKILL.md (or your agent's skills folder).- name
- nansen-prediction-markets
- description
- Polymarket screeners — discover trending events, top markets by volume, and search for specific markets. Use when browsing what's happening on prediction markets.
- allowed-tools
- Bash(nansen:*)
Authentication
Browser login requests nansen:api for API-key-equivalent account API permissions; existing OAuth/MCP nansen:read semantics and separate wallet authorization are unchanged.
Before any research command or loop, require an explicitly selected API key or saved browser session. Run nansen auth status first. Its cached/unverified metadata does not prove credential validity or unlocked storage. Cached access-token expiry alone does not mean the session is unusable: the CLI normally renews a selected session automatically during an already-authorized research task, without another consent request or a separate account check. Stop on anonymous selection, invalid authentication state, blocked or uncertain renewal/cleanup, or an actual authentication failure, including rejected or expired refresh authority. Follow the CLI error guidance; use the free nansen account check when troubleshooting calls for it. Do not unset a failed key, erase a session or switch to anonymous access to retry.
Use nansen login for fresh browser approval within the documented platform scope, or configure a conventional API key. NANSEN_API_KEY overrides the saved session. OpenClaw's optional primaryEnv mapping preserves configured API-key injection; it is not a required-key gate or proof of authentication. Normal credits and entitlements apply. Login does not purchase credits. Browser login is available in CLI 2.0.0 within the macOS arm64 preview scope.
API keys and browser sessions use the same automatic x402 payment behavior: a supported HTTP 402 challenge can spend funds from the configured wallet under existing wallet authorization, payment policy and spending limits. Each call, including calls in loops, can incur a payment. Authentication, authorization and session-renewal failures never trigger payment; login verification and nansen account never pay automatically. Anonymous x402 remains available as a separate paid workflow requiring explicit user intent and payment setup. Do not run this research workflow anonymously or switch to anonymous access after authentication fails.
Prediction Market Screeners
All commands: nansen research prediction-market <sub> [options] (alias: nansen research pm <sub>)
No --chain flag needed — Polymarket runs on Polygon.
# Top events (groups of related markets)
nansen research pm event-screener --sort-by volume_24hr --limit 20
# → event_title, market_count, total_volume, total_volume_24hr, total_liquidity, total_open_interest, tags
# Top markets by 24h volume
nansen research pm market-screener --sort-by volume_24hr --limit 20
# → market_id, question, best_bid, best_ask, volume_24hr, liquidity, open_interest, unique_traders_24h
# Search for specific markets
nansen research pm market-screener --query "bitcoin" --limit 10
# Find resolved/closed markets
nansen research pm market-screener --status closed --limit 10
# Browse categories
nansen research pm categories --pretty
# → category, active_markets, total_volume_24hr, total_open_interestSort options: volume_24hr, volume, volume_1wk, volume_1mo, liquidity, open_interest, unique_traders_24h, age_hours
Screeners return active/open markets by default. Use --status closed for resolved markets.
© nansen-ai, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in skills/nansen-prediction-markets of nansen-ai/nansen-cli.
Open the folder on GitHubat commit d097942
Used in 2 other repositories
We found 3 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in nansen-ai/nansen-cli, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Nansen Prediction Markets next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Nansen Prediction Markets this skillnansen-ai/nansen-cli | 139 | 2 repos | ~952 | Automated safety check: Pass | MIT | |
| Web3 PolymarketPolymarket/agent-skills | 192 | 1 repos | ~2k | Automated safety check: Pass | None | |
| Deposit QrSuperior-Trade/superior-skills | 215 | — | ~1.1k | Automated safety check: Pass | MIT | |
| Polymarket2025Emma/vibe-coding-cn | 23k | 1 repos | ~1.6k | Automated safety check: Pass | MIT | |
| CapacitrBankrBot/skills | 1.2k | — | ~3k | Automated safety check: Pass | None | |
| Okx Dex Marketinternet-court/internet-court-skill | 6.6k | 1 repos | ~1.7k | Automated safety check: Pass | MIT |
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Related
Works with
Categories
Questions about Nansen Prediction Markets
What does Nansen Prediction Markets do?
Polymarket screeners — discover trending events, top markets by volume, and search for specific markets. Nansen Prediction Markets is an agent skill from nansen-ai/nansen-cli. Polymarket screeners — discover trending events, top markets by volume, and search for specific markets.
When should I use Nansen Prediction Markets?
Nansen Prediction Markets fits situations like: browsing whats happening on prediction markets.
How do I install Nansen Prediction Markets in Claude Code?
Run `npx skills add nansen-ai/nansen-cli --skill nansen-prediction-markets -a claude-code`. Or copy the skill folder (skills/nansen-prediction-markets in nansen-ai/nansen-cli) into .claude/skills/nansen-prediction-markets in your project. Claude Code loads it when a task matches its description.
How do I install Nansen Prediction Markets in Codex?
Run `npx skills add nansen-ai/nansen-cli --skill nansen-prediction-markets -a codex`. Or copy the skill folder (skills/nansen-prediction-markets in nansen-ai/nansen-cli) into .agents/skills/nansen-prediction-markets in your project. Codex loads it when a task matches its description.
Can I use Nansen Prediction Markets in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add nansen-ai/nansen-cli --skill nansen-prediction-markets -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/nansen-prediction-markets, .gemini/skills/nansen-prediction-markets, .github/skills/nansen-prediction-markets and .opencode/skills/nansen-prediction-markets in your project.
What does Nansen Prediction Markets need to run?
Going by SKILL.md and its folder, Nansen Prediction Markets needs credentials named NANSEN_API_KEY. Our summary lists: A credential in NANSEN_API_KEY. Its frontmatter pre-approves these tools: Bash(nansen:*).
Does Nansen Prediction Markets access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Nansen Prediction Markets safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Nansen Prediction Markets use?
Nansen Prediction Markets is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Nansen Prediction Markets use?
About 952 tokens (SKILL.md is roughly 3.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Nansen Prediction Markets?
Skills that share tags, products or a category with Nansen Prediction Markets: Web3 Polymarket (Polymarket/agent-skills, 192 stars), Deposit Qr (Superior-Trade/superior-skills, 215 stars), Polymarket (2025Emma/vibe-coding-cn, 23k stars) and Capacitr (BankrBot/skills, 1.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Nansen Prediction Markets?
nansen-ai (a GitHub organization) maintains it in nansen-ai/nansen-cli, which has 139 GitHub stars. The repository holds 32 skills in this directory. The repository was last updated on October 9, 2026.
Source: nansen-ai/nansen-cli on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.