Agent skill

Surf Crypto Data API

by BlockRunAI in BlockRunAI/blockrun-mcp

Routes crypto market, on-chain, wallet and prediction-market lookups to the Surf data API through a local ClawRouter, paid per call.

MITAuto-check passedBusiness, Finance & HR

Install Surf Crypto Data API

skills CLI

$ npx skills add BlockRunAI/blockrun-mcp --skill surf -a claude-code

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

GitHub CLI

$ gh skill install BlockRunAI/blockrun-mcp surf --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/BlockRunAI/blockrun-mcp.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/surf .claude/skills/surf && 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/

Paste into Claude Code

Install the "surf" agent skill from https://github.com/BlockRunAI/blockrun-mcp/tree/main/skills/surf into .claude/skills/surf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "surf", 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

$skill-installer install https://github.com/BlockRunAI/blockrun-mcp/tree/main/skills/surf

Type 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.

skills CLI

$ npx skills add BlockRunAI/blockrun-mcp --skill surf -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install BlockRunAI/blockrun-mcp surf --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/BlockRunAI/blockrun-mcp.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/surf .agents/skills/surf && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "surf" agent skill from https://github.com/BlockRunAI/blockrun-mcp/tree/main/skills/surf into .agents/skills/surf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "surf", 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.

skills CLI

$ npx skills add BlockRunAI/blockrun-mcp --skill surf -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install BlockRunAI/blockrun-mcp surf --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/BlockRunAI/blockrun-mcp.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/surf .cursor/skills/surf && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "surf" agent skill from https://github.com/BlockRunAI/blockrun-mcp/tree/main/skills/surf into .cursor/skills/surf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "surf", 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

$ gemini skills install https://github.com/BlockRunAI/blockrun-mcp.git --path skills/surf

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add BlockRunAI/blockrun-mcp --skill surf -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install BlockRunAI/blockrun-mcp surf --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/BlockRunAI/blockrun-mcp.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/surf .gemini/skills/surf && rm -rf skills-src

Use ~/.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/

Paste into Gemini CLI

Install the "surf" agent skill from https://github.com/BlockRunAI/blockrun-mcp/tree/main/skills/surf into .gemini/skills/surf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "surf", 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.

GitHub CLI

$ gh skill install BlockRunAI/blockrun-mcp surf

Installs 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).

skills CLI

$ npx skills add BlockRunAI/blockrun-mcp --skill surf -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/BlockRunAI/blockrun-mcp.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/surf .github/skills/surf && rm -rf skills-src

Use ~/.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/

Paste into GitHub Copilot

Install the "surf" agent skill from https://github.com/BlockRunAI/blockrun-mcp/tree/main/skills/surf into .github/skills/surf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "surf", 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.

skills CLI

$ npx skills add BlockRunAI/blockrun-mcp --skill surf -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install BlockRunAI/blockrun-mcp surf --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/BlockRunAI/blockrun-mcp.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/surf .opencode/skills/surf && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "surf" agent skill from https://github.com/BlockRunAI/blockrun-mcp/tree/main/skills/surf into .opencode/skills/surf/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "surf", 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: surf
GitHub stars: 392
Token cost: ~1.7k tokens
SKILL.md length: 537 words
Files: 1
Skills in repo: 17
Repo updated: Oct 6, 2026
First seen: Oct 7, 2026
Licence: MIT

At a glance

Routes crypto market, on-chain, wallet and prediction-market lookups to the Surf data API through a local ClawRouter, paid per call.

Pulling centralized or decentralized exchange market data for a token
SKILL.md covers Where each former Surf…, What has NO replacement on…, Worked example — what a former… and Reference
Calls curl; reaches blockrun.ai
Running SQL against on-chain tables for a chain such as Base or Ethereum

What it does

This skill points the agent at Surf, a paid crypto-data HTTP API that ClawRouter exposes on the local machine at port 8402 under /v1/surf/. It lists 83 endpoints across 12 domains: centralized and decentralized exchange markets, SQL over more than 80 on-chain ClickHouse tables on chains such as Ethereum, Base, Arbitrum, BSC, TRON, HyperEVM and Tempo, a set of over 100M labeled wallets, Polymarket and Kalshi prediction markets, social and news feeds, project and DeFi metrics, token analytics, search and venture fund data.

Calls go through the local ClawRouter instead of the browser or a web fetch tool. Each request is paid for with an x402 USDC micropayment from the local wallet, or from BlockRun account credit when an API key is configured, and no Surf account or Surf API key is needed. The skill quotes a flat per-call price of $0.0075 on the API-key rail and on Solana and $0.0085 on Base, and says a 402 quote from the wallet rail overrides its own table if the two disagree.

When your agent uses it

Pulling centralized or decentralized exchange market data for a token
Running SQL against on-chain tables for a chain such as Base or Ethereum
Checking Polymarket or Kalshi prediction-market prices
Researching wallet labels, DeFi project metrics or venture fund activity

Example prompts

“List the labeled wallets that bought the most USDC on Base last week.”
“Show current Polymarket and Kalshi markets about the next US interest rate decision.”
“Pull the daily trading volume of the top DeFi projects on Arbitrum.”
“Search news and social chatter about the Solana ecosystem this week.”

Requirements

ClawRouter running locally on port 8402
A local wallet holding USDC for x402 payments, or a BlockRun API key

What it can do on your machine

Read from SKILL.md and the folder at commit a7a9b3c. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
- curl
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
- blockrun.ai
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Surf Crypto Data API loads about 1.7k tokens when it runs. Until then it costs about 102 tokens; SKILL.md has 537 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~102
When it runs · the whole SKILL.md, loaded when a task matches: ~1.7k

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 BlockRunAI/blockrun-mcp at commit a7a9b3c, republished under its MIT licence (© BlockRunAI). 537 words, ~1,701 tokens.

Download SKILL.mdSave it as .claude/skills/surf/SKILL.md (or your agent's skills folder).

name: surf
description: Surf (asksurf.ai) is RETIRED on BlockRun and the blockrun_surf tool was REMOVED in 0.49.0 — the gateway has answered every /v1/surf/* path with HTTP 410 endpoint_retired since 2026-09-06. Use this skill to route a former Surf question (on-chain SQL, wallet labels and net worth, CEX order books, social mindshare, news) to the tool that still serves it, and to say plainly what has no replacement yet.
triggers: surf, asksurf, crypto data, on-chain sql, clickhouse crypto, wallet labels, wallet net worth, smart followers, ct mindshare, social mindshare, kol search…

Surf — retired on BlockRun (2026-09-06)

Surf (asksurf.ai) is no longer served through BlockRun. Since 2026-09-06 the gateway answers every /v1/surf/* path with:

HTTP 410
{"error":{"code":"endpoint_retired","message":"The Surf data endpoints are retired. We are looking for a new vendor in this space and expect to publish a replacement under /api/v1/."},
 "retired_on":"2026-09-06",
 "alternatives":[{"for":"crypto, equity, FX and commodity prices","endpoint":"/api/v1/crypto/price"},
                 {"for":"protocol TVL and yields","endpoint":"/api/v1/defillama/*"},
                 {"for":"prediction markets","endpoint":"/api/v1/pm/*"},
                 {"for":"DEX quotes and swaps","endpoint":"/api/v1/zerox/*"}]}

Verified live 2026-09-08 with an unauthenticated GET (a 410 is free to fetch). sol.blockrun.ai answers 404 on the same paths, and /api/openapi no longer lists any Surf route. No 402 is ever issued, so no payment can be made.

blockrun_surf was removed from the server in 0.49.0 and is no longer one of the 19 tools: a tool that can only return an error is not worth the schema every agent carries on every turn. An MCP client will answer an unknown-tool error if a config still names it. Nothing can be charged either way. Do not describe this as a temporary outage — it is not; route the question with the table below.

Where each former Surf capability lives now

The user wants…	Surf used to be	Use now	Cost
BTC/ETH/any coin price, OHLC history	`market/price`, `exchange/klines`	`blockrun_price` action:"price" / "history" category:"crypto"	FREE
FX, gold, oil	`market/price`	`blockrun_price` category:"fx" / "commodity"	FREE
Fear & Greed, market ranking by cap	`market/fear-greed`, `market/ranking`	`blockrun_price` action:"list" for the symbol universe; no sentiment index on BlockRun	FREE / none
DEX pair, liquidity, volume, token by contract	`token/dex-trades`, `search/project`	`blockrun_dex`	FREE
Token price by contract address	`market/price`	`blockrun_defi` path:"prices/{coins}"	$0.001 + fee
Protocol / chain TVL, yield rankings	`project/defi/ranking`, `onchain/yield/ranking`	`blockrun_defi` path:"protocols" / "chains" / "yields"	$0.005 + fee
Polymarket / Kalshi markets, prices, positions	`prediction-market/*`, `search/polymarket`, `search/kalshi`	`blockrun_markets` — see `skills/prediction-markets/SKILL.md`	$0.0075 + fee
Who is this Polymarket wallet, and which wallets are theirs	`wallet/detail`, `wallet/labels/batch` (for Polymarket traders only)	`blockrun_markets` `polymarket/wallet/identity/{wallet}` + `polymarket/wallet/{address}/cluster`	$0.0075 + fee
Gas price, a transaction, a balance, a contract read	`onchain/gas-price`, `onchain/tx`	`blockrun_rpc` (`eth_gasPrice`, `eth_getTransactionByHash`, `eth_getBalance`, `eth_call`) — see `skills/rpc/SKILL.md`	$0.002 + fee
Web / news search	`search/web`, `search/news`, `news/feed`	`blockrun_exa` (neural) or `blockrun_search` (Grok Live Search, web + X + news)	$0.01 + fee / $0.025 × results

"fee" is the gateway's flat network fee — $0.001 per call on Base today; the Solana gateway quotes the base alone; the account rail charges no fee.

Show full SKILL.md (210 more words)Show less

What has NO replacement on BlockRun yet

Say so plainly rather than substituting something that answers a different question:

Raw on-chain SQL over ClickHouse (onchain/sql, onchain/query, onchain/schema)
Wallet labels and net worth across 13 chains for arbitrary addresses (wallet/labels/batch, wallet/net-worth, wallet/protocols, wallet/history). Only Polymarket traders are covered, via blockrun_markets identity/cluster above.
CEX order books, perp snapshots, funding history, long/short ratio, options skew (exchange/*, market/options, market/futures)
ETF flows, liquidation charts, on-chain indicators (market/etf, market/liquidation/*, market/onchain-indicator)
Social / CT intelligence — mindshare, smart followers, KOL search, tweet search (social/*, search/social/*)
Tokenomics and unlock schedules, token holders and transfers (token/*)
VC fund portfolios and rankings (fund/*)
Bridge rankings, airdrop search, project profiles (onchain/bridge/ranking, search/airdrop, project/detail)
Webpage-to-markdown (web/fetch)

The gateway says a new vendor is pending and that the replacement will be published under /api/v1/ and listed at https://blockrun.ai/api/openapi. Check there before promising any of the above.

Worked example — what a former Surf request looks like now

"Is this whale wallet labeled, and what does it hold?" (was 4 Surf calls, $0.034)

// If it is a Polymarket trader — identity, linked wallets, P&L:
blockrun_markets({ path: "polymarket/wallet/identity/0xWHALE" })
blockrun_markets({ path: "polymarket/wallet/0xWHALE/cluster" })
blockrun_markets({ path: "polymarket/wallet/pnl/0xWHALE" })

// For any address — current native + token balances via raw RPC (free tools first):
blockrun_rpc({ network: "ethereum", method: "eth_getBalance", params: ["0xWHALE", "latest"] })

Cross-chain labels (CEX / MEV / bridge) and a net-worth time series are not available on BlockRun right now — tell the user that. blockrun_surf no longer exists.

Reference

Gateway retirement notice: curl -s https://blockrun.ai/v1/surf/market/price (HTTP 410, free)
Live route catalog: https://blockrun.ai/api/openapi
Related skills: crypto-data · prediction-markets · rpc

Files

Just SKILL.md in skills/surf of BlockRunAI/blockrun-mcp.

Open the folder on GitHubat commit a7a9b3c

Compare with similar skills

Surf Crypto Data API 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.

Surf Crypto Data API compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Surf Crypto Data API this skillBlockRunAI/blockrun-mcp	392	—	~1.7k	Automated safety check: Pass	MIT	yesterday
Predexon Prediction Market DataBlockRunAI/ClawRouter	6.6k	—	~4.7k	Automated safety check: Pass	MIT	2 days ago
SurfBlockRunAI/ClawRouter	6.6k	—	~4k	Automated safety check: Pass	MIT	2 days ago
Minara Crypto Trading and WalletMinara-AI/minara-skills	356	—	~5.7k	Automated safety check: Pass	None	20 days ago
Opensea Tool SDKBankrBot/skills	1.2k	—	~3.1k	Automated safety check: Pass	MIT	2 days ago
Alchemy Agentic Gatewaymoonpay/skills	113	—	~2.1k	Automated safety check: Notes	MIT	27 days ago

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Works with

Questions about Surf Crypto Data API

What does Surf Crypto Data API do?

Routes crypto market, on-chain, wallet and prediction-market lookups to the Surf data API through a local ClawRouter, paid per call. This skill points the agent at Surf, a paid crypto-data HTTP API that ClawRouter exposes on the local machine at port 8402 under /v1/surf/. It lists 83 endpoints across 12 domains: centralized and decentralized exchange markets, SQL over more than 80 on-chain ClickHouse tables on chains such as Ethereum, Base, Arbitrum, BSC, TRON, HyperEVM and Tempo, a set of over 100M labeled wallets, Polymarket and Kalshi prediction markets, social and news feeds, project and DeFi metrics, token analytics, search and venture fund data.

When should I use Surf Crypto Data API?

Surf Crypto Data API fits situations like: pulling centralized or decentralized exchange market data for a token; running SQL against on-chain tables for a chain such as Base or Ethereum; checking Polymarket or Kalshi prediction-market prices; researching wallet labels, DeFi project metrics or venture fund activity.

How do I install Surf Crypto Data API in Claude Code?

Run `npx skills add BlockRunAI/blockrun-mcp --skill surf -a claude-code`. Or copy the skill folder (skills/surf in BlockRunAI/blockrun-mcp) into .claude/skills/surf in your project. Claude Code loads it when a task matches its description.

How do I install Surf Crypto Data API in Codex?

Run `npx skills add BlockRunAI/blockrun-mcp --skill surf -a codex`. Or copy the skill folder (skills/surf in BlockRunAI/blockrun-mcp) into .agents/skills/surf in your project. Codex loads it when a task matches its description.

Can I use Surf Crypto Data API 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 BlockRunAI/blockrun-mcp --skill surf -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/surf, .gemini/skills/surf, .github/skills/surf and .opencode/skills/surf in your project.

What does Surf Crypto Data API need to run?

Going by SKILL.md and its folder, Surf Crypto Data API needs the command-line tools its instructions call (curl). Our summary lists: ClawRouter running locally on port 8402; A local wallet holding USDC for x402 payments, or a BlockRun API key.

Does Surf Crypto Data API access the network?

SKILL.md names 1 domain. In commands or code: blockrun.ai; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.

Is Surf Crypto Data API 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 Surf Crypto Data API use?

Surf Crypto Data API 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 Surf Crypto Data API use?

About 1.7k tokens (SKILL.md is roughly 6.8k 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 Surf Crypto Data API?

Skills that share tags, products or a category with Surf Crypto Data API: Predexon Prediction Market Data (BlockRunAI/ClawRouter, 6.6k stars), Surf (BlockRunAI/ClawRouter, 6.6k stars), Minara Crypto Trading and Wallet (Minara-AI/minara-skills, 356 stars) and Opensea Tool SDK (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 Surf Crypto Data API?

BlockRunAI (a GitHub organization) maintains it in BlockRunAI/blockrun-mcp, which has 392 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on October 6, 2026.

Source: BlockRunAI/blockrun-mcp on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Surf Crypto Data API

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Surf — retired on BlockRun (2026-09-06)

Where each former Surf capability lives now

What has NO replacement on BlockRun yet

Worked example — what a former Surf request looks like now

Reference

Files

Compare with similar skills

Similar skills

More from BlockRunAI/blockrun-mcp

Related

Questions about Surf Crypto Data API