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Agent skill

Nansen Wallet Clustering

by nansen-ai in nansen-ai/nansen-cli

Cluster and attribute related wallets — funding chains, shared signers, CEX deposit patterns.

MITAuto-check passedBackend & APIs

Install Nansen Wallet Clustering

skills CLI
$ npx skills add nansen-ai/nansen-cli --skill nansen-wallet-clustering -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install nansen-ai/nansen-cli nansen-wallet-clustering --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/nansen-ai/nansen-cli.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/nansen-wallet-clustering .claude/skills/nansen-wallet-clustering && rm -rf skills-src

Use ~/.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/

Facts

Skill name
nansen-wallet-clustering
GitHub stars
139
Token cost
~1.2k tokens
SKILL.md length
378 words
Files
2
Skills in repo
32
Repo updated
First seen
Licence
MIT

At a glance

Cluster and attribute related wallets — funding chains, shared signers, CEX deposit patterns.

  • Tracing wallet ownership
  • Needs NANSEN_API_KEY
  • Comparing two wallets
  • Finding wallet relationships

What it does

Nansen Wallet Clustering is an agent skill from nansen-ai/nansen-cli. Cluster and attribute related wallets — funding chains, shared signers, CEX deposit patterns. Use when tracing wallet ownership, comparing two wallets, finding wallet relationships, governance voters, or related address clusters.

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `REFERENCE.md`).

It sits in Backend & APIs. The licence is MIT.

When your agent uses it

  • Tracing wallet ownership
  • Comparing two wallets
  • Finding wallet relationships
  • Governance voters

Example prompts

  • “/nansen-wallet-clustering”

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 Wallet Clustering loads about 1.2k tokens when it runs. Until then it costs about 64 tokens; SKILL.md has 378 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~64
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k

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). 378 words, ~1,197 tokens.

Download SKILL.mdSave it as .claude/skills/nansen-wallet-clustering/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
nansen-wallet-clustering
description
Cluster and attribute related wallets — funding chains, shared signers, CEX deposit patterns. Use when tracing wallet ownership, comparing two wallets, finding wallet relationships, governance voters, or related address clusters.
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.

Show full SKILL.md (85 more words)Show less

Wallet Attribution

Answers: "Who controls this wallet? Are these wallets related?"

Chain: 0x → --chain ethereum (also base, arbitrum, optimism, polygon). Base58 → --chain solana.

bash
ADDR=<address> CHAIN=<ethereum|solana|base|...>  # detect from address format above
# 1. Identity
nansen research profiler labels --address $ADDR --chain $CHAIN
# 2. Related wallets (paginate with --page N)
nansen research profiler related-wallets --address $ADDR --chain $CHAIN
# 3. Counterparties (paginate with --page N; widen with --days 365 if empty)
nansen research profiler counterparties --address $ADDR --chain $CHAIN --days 90
# 3b. Once a cluster is confirmed: counterparties for up to 10 of its wallets in one call
#     (max --days 90; one ecosystem per request — EVM and Solana cannot be mixed). Rows are
#     contiguous per-wallet blocks ordered by wallet address: raise --limit and page with
#     --page N to reach later wallets.
nansen research profiler counterparties-batch --addresses "addr1,addr2" --chain $CHAIN --days 90 --limit 50
# 4. Batch profile cluster
nansen research profiler batch --addresses "addr1,addr2" --chain $CHAIN --include labels,balance,pnl
# 5. Compare pairs → shared_counterparties, shared_tokens, balances
nansen research profiler compare --addresses "addr1,addr2" --chain $CHAIN
# 6. Historical balances (fingerprint drained wallets)
nansen research profiler historical-balances --address $ADDR --chain $CHAIN --days 90
# 7. Multi-hop trace (credit-heavy — keep --width ≤3)
nansen research profiler trace --address $ADDR --chain $CHAIN --depth 2 --width 3

Expansion: Run steps 1-2 on seed. For each new address found, ask the human before querying. Reserve step 3 for seed only. Stop when: known protocol/CEX · Low confidence · already visited · cluster > 10 wallets. Confidence: High = first funder / shared Safe signers / same CEX deposit. Medium = coordinated movements / related-wallets + label match. Exclude = ENS only, single CEX withdrawal, single deployer. Full attribution rules in REFERENCE.md.

© 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

SKILL.md and 1 other file in skills/nansen-wallet-clustering of nansen-ai/nansen-cli.

  • SKILL.md
  • REFERENCE.md

Open the folder on GitHubat commit d097942

Compare with similar skills

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Categories

Questions about Nansen Wallet Clustering

What does Nansen Wallet Clustering do?

Cluster and attribute related wallets — funding chains, shared signers, CEX deposit patterns. Nansen Wallet Clustering is an agent skill from nansen-ai/nansen-cli. Cluster and attribute related wallets — funding chains, shared signers, CEX deposit patterns.

When should I use Nansen Wallet Clustering?

Nansen Wallet Clustering fits situations like: tracing wallet ownership; comparing two wallets; finding wallet relationships; governance voters.

How do I install Nansen Wallet Clustering in Claude Code?

Run `npx skills add nansen-ai/nansen-cli --skill nansen-wallet-clustering -a claude-code`. Or copy the skill folder (skills/nansen-wallet-clustering in nansen-ai/nansen-cli) into .claude/skills/nansen-wallet-clustering in your project. Claude Code loads it when a task matches its description.

How do I install Nansen Wallet Clustering in Codex?

Run `npx skills add nansen-ai/nansen-cli --skill nansen-wallet-clustering -a codex`. Or copy the skill folder (skills/nansen-wallet-clustering in nansen-ai/nansen-cli) into .agents/skills/nansen-wallet-clustering in your project. Codex loads it when a task matches its description.

Can I use Nansen Wallet Clustering 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-wallet-clustering -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-wallet-clustering, .gemini/skills/nansen-wallet-clustering, .github/skills/nansen-wallet-clustering and .opencode/skills/nansen-wallet-clustering in your project.

What does Nansen Wallet Clustering need to run?

Going by SKILL.md and its folder, Nansen Wallet Clustering 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 Wallet Clustering 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 Wallet Clustering 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 Wallet Clustering use?

Nansen Wallet Clustering 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 Wallet Clustering use?

About 1.2k tokens (SKILL.md is roughly 4.8k 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 Wallet Clustering?

Skills that share tags, products or a category with Nansen Wallet Clustering: Configuring Horizon (coollabsio/coolify, 63k stars), Nestjs Best Practices (rolling-scopes/rsschool-app, 10k stars), Sub2API Admin (Wei-Shaw/sub2api, 44k stars) and Firecrawl Build Onboarding (firecrawl/firecrawl, 190k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Nansen Wallet Clustering?

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.