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Robinhood Chain stock token data — price, adjusted supply, corporate actions.
About
Robinhood Chain stock token data — price, adjusted supply, corporate actions.
Security Report
Valid MCP server (4 strong, 3 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.
6 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: HOODGROW_API_KEY
Environment variable: HOODGROW_PRIVATE_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-memikko-hoodgrow-mcp": {
"env": {
"HOODGROW_API_KEY": "your-hoodgrow-api-key-here",
"HOODGROW_PRIVATE_KEY": "your-hoodgrow-private-key-here"
},
"args": [
"-y",
"hoodgrow-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
hoodgrow-mcp
MCP (Model Context Protocol) server for the
HoodGrow Robinhood Chain stock token API — live
price, corporate-action adjusted supply (ERC-8056, correct through stock
splits), Morpho/Uniswap DeFi depth, and corporate actions (splits, dividends),
exposed as tools for any MCP client (Claude Desktop, Claude Code, etc). Built
on the hoodgrow SDK — pays per
call via x402 (USDC on Base) or uses a bearer API key, your choice.
Setup
You need credentials — this package never bundles a shared HoodGrow credential, you supply your own so you control what gets spent and who's billed. Pick one:
- x402, pay per call, no signup — a wallet private key (
HOODGROW_PRIVATE_KEY), funded with USDC on Base. $0.10/call for the full catalog, $0.05/call for one token. - API key, free, issued access —
HOODGROW_API_KEYfrom hoodgrow.com/api-access.
Claude Desktop / Claude Code
Add to your MCP config (Claude Desktop: claude_desktop_config.json; Claude
Code: claude mcp add):
{
"mcpServers": {
"hoodgrow": {
"command": "npx",
"args": ["-y", "hoodgrow-mcp"],
"env": {
"HOODGROW_PRIVATE_KEY": "0x..."
}
}
}
}
Or with an API key instead:
{
"mcpServers": {
"hoodgrow": {
"command": "npx",
"args": ["-y", "hoodgrow-mcp"],
"env": {
"HOODGROW_API_KEY": "..."
}
}
}
}
Never hardcode a real private key in a committed config file — only fund that wallet with what you're willing to spend on this API.
Tools
| Tool | Price (x402) | Description |
|---|---|---|
get_catalog | $0.10 | Every listed token: price, source, 24h change, corporate-action adjusted supply, DeFi depth, plus catalog-wide pending/recent corporate actions |
get_token | $0.05 | One token by symbol (e.g. NVDA), same fields, scoped |
get_corporate_actions | uses get_token/get_catalog above | Pending + recent corporate actions; pass a symbol to scope, omit for every tracked token |
Each call returns the API's JSON response as the tool's text content. A
failed request (unknown symbol, server error) comes back as an MCP tool
error (isError: true) rather than crashing the server.
Payment safety
x402 payments are real money and are not idempotent — a retried timed-out
call can pay twice. HoodGrow's paywall only ever asks for USDC
(0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base mainnet
(eip155:8453), paid to 0x8520B3693a2Cf3c2bEa3a505Af3A9c1b093954c7, capped
at $0.10/call — the underlying hoodgrow/@x402 dependencies handle
protocol-level verification, but you're responsible for how much you fund
the signing wallet with.
Rate limits
30 requests/minute per IP by default for pay-per-call use. Need more sustained throughput? A persistent API key with its own higher limit is available — see hoodgrow.com/api-access.
Development
npm install
npm run build # tsc -> dist/
npm test # tsx --test test/*.test.ts (mocked fetch + real in-memory MCP client/server, no network)
License
MIT
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