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Agent skill

Goldrush MCP Skill

by holon-run in holon-run/uxc

Use GoldRush MCP through UXC for multichain wallet balances, transfers, portfolio history, NFT ownership, token approvals, prices, and chain metadata via stdio MCP with injected API-key auth.

MITAuto-check passedAgent Workflows

Install Goldrush MCP Skill

skills CLI
$ npx skills add holon-run/uxc --skill goldrush-mcp-skill -a claude-code

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

GitHub CLI
$ gh skill install holon-run/uxc goldrush-mcp-skill --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/holon-run/uxc.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/goldrush-mcp-skill .claude/skills/goldrush-mcp-skill && 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
goldrush-mcp-skill
GitHub stars
116
Token cost
~1.2k tokens
SKILL.md length
510 words
Files
4 (incl. scripts, references)
Skills in repo
62
Repo updated
First seen
Licence
MIT

At a glance

Use GoldRush MCP through UXC for multichain wallet balances, transfers, portfolio history, NFT ownership, token approvals, prices, and chain metadata via stdio MCP with injected API-key auth.

  • Works in 5 steps: Verify protocol/path from official… → Configure credential for repeatable auth → Use fixed link command by default → …
  • Tasks that involve MCP servers
  • SKILL.md covers Prerequisites, Core Workflow, Capability Map and Recommended Usage Pattern, plus 2 more sections
  • Runs Shell scripts from its folder; calls npx; reaches goldrush.dev; needs GOLDRUSH_API_KEY

What it does

Goldrush MCP Skill is an agent skill from holon-run/uxc. Use GoldRush MCP through UXC for multichain wallet balances, transfers, portfolio history, NFT ownership, token approvals, prices, and chain metadata via stdio MCP with injected API-key auth.

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including scripts and reference files (for example `agents/openai.yaml`, `references/usage-patterns.md` and `scripts/validate.sh`).

It sits in Agent Workflows, covering MCP servers and Crypto and DeFi analysis. It works with Model Context Protocol. The repository describes itself as: A unified CLI for discovering and invoking tools across OpenAPI, MCP, GraphQL, gRPC, and JSON-RPC. The licence is MIT.

When your agent uses it

  • Tasks that involve MCP servers
  • Tasks that involve Crypto and DeFi analysis

Example prompts

  • “/goldrush-mcp-skill”

Requirements

  • Node.js
  • A Bash shell
  • A credential in GOLDRUSH_API_KEY

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Verify protocol/path from official source and probe
  2. Configure credential for repeatable auth
  3. Use fixed link command by default
  4. Inspect operation schema before execution
  5. Prefer read-only discovery first, then expand into broader wallet-history or NFT scans.

What it can do on your machine

Read from SKILL.md and the folder at commit 562d47c. 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

    Ships 1 file in scripts/ (Shell), which the agent can run.

    Shell commands in SKILL.md call:

    • npx

    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:

    • goldrush.dev

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • GOLDRUSH_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Goldrush MCP Skill loads about 1.2k tokens when it runs, and up to ~1.8k if it reads all its reference files. Until then it costs about 53 tokens; SKILL.md has 510 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~53
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.8k

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); the scripts in this folder are not scanned.

SKILL.md

The full file from holon-run/uxc at commit 562d47c, republished under its MIT licence (© holon-run). 510 words, ~1,217 tokens.

Download SKILL.mdSave it as .claude/skills/goldrush-mcp-skill/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
goldrush-mcp-skill
description
Use GoldRush MCP through UXC for multichain wallet balances, transfers, portfolio history, NFT ownership, token approvals, prices, and chain metadata via stdio MCP with injected API-key auth.

GoldRush MCP Skill

Use this skill to run GoldRush MCP operations through uxc using a fixed stdio endpoint.

Reuse the uxc skill for generic protocol discovery, output parsing, and auth/error handling rules.

Prerequisites

  • uxc is installed and available in PATH.
  • npx is available in PATH (Node.js installed).
  • Network access for first-time @covalenthq/goldrush-mcp-server package fetch.
  • A GoldRush API key is available.

Core Workflow

Endpoint candidate inputs before finalizing:

  • Raw package form from docs: npx @covalenthq/goldrush-mcp-server@latest
  • Reliable non-interactive form: npx -y @covalenthq/goldrush-mcp-server@latest
  • This skill defaults to:
    • npx -y @covalenthq/goldrush-mcp-server@latest
  1. Verify protocol/path from official source and probe:
    • Official source: https://goldrush.dev/docs/goldrush-mcp-server
    • probe candidate endpoint with:
      • uxc --inject-env GOLDRUSH_API_KEY=$GOLDRUSH_API_KEY "npx -y @covalenthq/goldrush-mcp-server@latest" -h
    • cold start can take longer on first run because npx may need to download the package
  2. Configure credential for repeatable auth:
    • uxc auth credential set goldrush-mcp --auth-type bearer --secret-env GOLDRUSH_API_KEY
    • uxc auth credential set goldrush-mcp --auth-type bearer --secret-op op://Engineering/goldrush/api-key
  3. Use fixed link command by default:
    • command -v goldrush-mcp-cli
    • If missing, create it:
      • uxc link goldrush-mcp-cli "npx -y @covalenthq/goldrush-mcp-server@latest" --credential goldrush-mcp --inject-env GOLDRUSH_API_KEY={{secret}}
    • goldrush-mcp-cli -h
  4. Inspect operation schema before execution:
    • goldrush-mcp-cli getAllChains -h
    • goldrush-mcp-cli multichain_balances -h
    • goldrush-mcp-cli transactions_for_address -h
    • goldrush-mcp-cli historical_portfolio_value -h
  5. Prefer read-only discovery first, then expand into broader wallet-history or NFT scans.

Capability Map

  • Cross-chain overview:
    • getAllChains
    • multichain_address_activity
    • multichain_balances
    • multichain_transactions
  • Wallet balances and portfolio:
    • token_balances
    • historical_token_balances
    • native_token_balance
    • historical_portfolio_value
    • historical_token_prices
  • Transfers and transactions:
    • erc20_token_transfers
    • transaction
    • transaction_summary
    • transactions_for_address
    • transactions_for_block
  • NFT and security:
    • nft_for_address
    • nft_check_ownership
    • token_approvals
  • Utility:
    • gas_prices
    • log_events_by_address
    • log_events_by_topic
    • block
    • block_heights

GoldRush also exposes MCP resources such as config://supported-chains, config://quote-currencies, and status://all-chains. Inspect the live server after auth setup for the current full tool and resource list.

  1. Start with one focused read goal:
    • multichain balances for a wallet
    • recent transfers for an address
    • historical portfolio value over time
    • NFT ownership or token approval review
  2. Run -h on the specific tool before the first real call.
  3. Prefer a single wallet and chain first before running wide history scans.
  4. Parse the JSON envelope first, then inspect data.
Show full SKILL.md (176 more words)Show less

Guardrails

  • Keep automation on JSON output envelope; do not rely on --text.
  • Parse stable fields first: ok, kind, protocol, data, error.
  • Use goldrush-mcp-cli as default command path.
  • goldrush-mcp-cli <operation> ... is equivalent to uxc --auth goldrush-mcp --inject-env GOLDRUSH_API_KEY={{secret}} "npx -y @covalenthq/goldrush-mcp-server@latest" <operation> ... when the link is created as documented above.
  • GoldRush uses a stdio MCP server started through npx, not a hosted HTTPS MCP endpoint. Expect slower cold starts on the first run.
  • If help or the first call times out during initialization:
    • rerun the same command after the package download finishes
    • confirm npx is available in PATH
    • confirm the key is being injected as GOLDRUSH_API_KEY
  • The skill docs use bearer credential storage only as a secret container for --inject-env; GoldRush auth actually happens through the child environment variable, not an HTTP bearer header.
  • Prefer wallet-scoped reads before wide transaction or log scans because some tools can produce large result sets.
  • Do not assume tool argument names from memory; inspect <operation> -h first because GoldRush may revise MCP schemas independently of this skill.

References

  • Invocation patterns:
    • references/usage-patterns.md

© holon-run, 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 3 other files (scripts, references) in skills/goldrush-mcp-skill of holon-run/uxc.

  • SKILL.md
  • agents/openai.yaml
  • references/usage-patterns.md
  • scripts/validate.sh

Open the folder on GitHubat commit 562d47c

Compare with similar skills

Goldrush MCP Skill 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.

Goldrush MCP Skill compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Goldrush MCP Skill this skillholon-run/uxc116—~1.2kAutomated safety check: PassMIT
BNB Chain MCP Serverinternet-court/internet-court-skill6.6k1 repos~1.7kAutomated safety check: PassMIT
Solana Devaiskillstore/marketplace433—~2.4kAutomated safety check: PassMIT
Finance District MCPaeonfun/aeon770—~1.1kAutomated safety check: PassMIT
Yolfi Paymentsyolfinance/yolfi-agent178—~1.2kAutomated safety check: PassMIT
Base MCP Wallet Readeraeonfun/aeon770—~2.5kAutomated safety check: PassMIT

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Works with

Categories

Questions about Goldrush MCP Skill

What does Goldrush MCP Skill do?

Use GoldRush MCP through UXC for multichain wallet balances, transfers, portfolio history, NFT ownership, token approvals, prices, and chain metadata via stdio MCP with injected API-key auth. Goldrush MCP Skill is an agent skill from holon-run/uxc. Use GoldRush MCP through UXC for multichain wallet balances, transfers, portfolio history, NFT ownership, token approvals, prices, and chain metadata via stdio MCP with injected API-key auth.

When should I use Goldrush MCP Skill?

Goldrush MCP Skill fits situations like: tasks that involve MCP servers; tasks that involve Crypto and DeFi analysis.

How do I install Goldrush MCP Skill in Claude Code?

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

How do I install Goldrush MCP Skill in Codex?

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

Can I use Goldrush MCP Skill 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 holon-run/uxc --skill goldrush-mcp-skill -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/goldrush-mcp-skill, .gemini/skills/goldrush-mcp-skill, .github/skills/goldrush-mcp-skill and .opencode/skills/goldrush-mcp-skill in your project.

What does Goldrush MCP Skill need to run?

Going by SKILL.md and its folder, Goldrush MCP Skill needs a shell for the scripts in its folder, the command-line tools its instructions call (npx) and credentials named GOLDRUSH_API_KEY. Our summary lists: Node.js; A Bash shell; A credential in GOLDRUSH_API_KEY.

Does Goldrush MCP Skill access the network?

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

Is Goldrush MCP Skill 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Goldrush MCP Skill use?

Goldrush MCP Skill 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 Goldrush MCP Skill use?

About 1.2k tokens (SKILL.md is roughly 4.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 625 tokens, read only when the agent opens those files.

What are the alternatives to Goldrush MCP Skill?

Skills that share tags, products or a category with Goldrush MCP Skill: BNB Chain MCP Server (internet-court/internet-court-skill, 6.6k stars), Solana Dev (aiskillstore/marketplace, 433 stars), Finance District MCP (aeonfun/aeon, 770 stars) and Yolfi Payments (yolfinance/yolfi-agent, 178 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Goldrush MCP Skill?

holon-run (a GitHub organization) maintains it in holon-run/uxc, which has 116 GitHub stars. The repository holds 62 skills in this directory. The repository was last updated on September 15, 2026.

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