Vibe Springs
Pay-per-use weather, environment, finance, and on-chain intelligence tools for AI agents via x402.
Install
Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).
claude mcp add --transport http vibe-springs 'https://vibesprings.net/mcp'
{
"mcpServers": {
"vibe-springs": {
"type": "http",
"url": "https://vibesprings.net/mcp"
}
}
}
Documentation
From the project's README on GitHub, refreshed weekly. Links open on GitHub.
Vibe Springs — Hosted MCP Server
Pay-per-use data & intelligence tools for AI agents. No API keys, no accounts — paid tools settle per call in USDC on Base via the x402 protocol.
This repository is the public manifest for the hosted Vibe Springs MCP server. The server runs at
https://vibesprings.net/mcp— there is nothing to install or build. Connect directly over Streamable HTTP.
- 🌐 Endpoint:
https://vibesprings.net/mcp(Streamable HTTP, stateless) - 🧰 22 tools — 2 free, 20 pay-per-call
- 💸 Payment: x402 on Base mainnet (USDC), signed per call by the agent's own wallet
- 📖 Docs: https://vibesprings.net/for-agents · Catalog: https://vibesprings.net/api/catalog
- 🩺 Health: https://vibesprings.net/api/health · Status: https://vibesprings.net/status
Connect
Claude Code
claude mcp add -t http vibesprings https://vibesprings.net/mcp
Claude Desktop / Cursor (config)
{
"mcpServers": {
"vibesprings": {
"type": "http",
"url": "https://vibesprings.net/mcp"
}
}
}
No credentials are required to connect. Free tools work immediately; paid tools return their payment requirements on the first call (see Paying below).
Tools
Free
| Tool | Description |
|---|---|
health | Service health, upstream probes, facilitator reachability, 7-day reliability. |
search_services | Search the full catalog of 52 x402 endpoints by keyword, category, or max price. |
Weather & environment
| Tool | Price | Description |
|---|---|---|
get_forecast | $0.002 | Up to 16-day weather forecast for any location. |
get_weather_history | $0.002 | Historical daily weather worldwide. |
get_delay_risk | $0.25 | Outdoor delay/disruption risk score (weather + soil trafficability), US. |
get_delay_risk_demo | $0.002 | Demo of delay-risk on 5 fixed US locations. |
Finance
| Tool | Price | Description |
|---|---|---|
get_exchange_rates | $0.002 | Live & historical fiat FX rates (30+ currencies). |
convert_currency | $0.002 | Convert any amount between 30+ fiat currencies. |
get_crypto_prices | $0.005 | Live crypto prices, market caps, volume, changes. |
get_crypto_news | $0.008 | Aggregated crypto news with sentiment and clustering. |
get_defi_yields | $0.06 | Cross-protocol DeFi yield scanner (100+ protocols). |
On-chain
| Tool | Price | Description |
|---|---|---|
get_gas_prices | $0.001 | Gas oracle for Base, Ethereum, Arbitrum, Optimism. |
get_wallet_intel | $0.10 | Wallet profiling: balances, tokens, activity, behavior tags. |
get_risk_report | $0.10 | On-chain due-diligence report (6+ risk signals). |
Composite (one call, many sources)
| Tool | Price | Description |
|---|---|---|
get_market_pulse | $0.05 | Crypto + FX + gas + DeFi yields in a single call. |
get_travel_brief | $0.05 | Forecast + air quality + holidays + FX for any city. |
Standing loops (monitoring)
| Tool | Price | Description |
|---|---|---|
register_watch | $0.01 | Register a price/gas/weather/wallet/endpoint watch condition. |
check_watch | $0.008 | Check one watch condition against your baseline. |
check_watches_batch | $0.02 | Check up to 5 watches in one call. |
Merchant intelligence (for x402 sellers)
| Tool | Price | Description |
|---|---|---|
get_bazaar_category_trends | $0.25 | Historical metrics & pricing momentum for a Bazaar tag. |
get_bazaar_competitors | $0.50 | Closest competitor listings by tag/semantic overlap + your rank. |
audit_agent_visibility | $0.75 | AEO/GEO auditor for any x402 endpoint's agent-discoverability. |
Live, always-accurate tool metadata: https://vibesprings.net/.well-known/mcp/server-card.json
Paying (x402 over MCP)
Paid tools implement a two-step handshake so the agent stays in control of its wallet:
- Call the tool without
payment_signature→ the response is a structuredpayment_requiredobject with the exact x402 requirements (price,payTo, asset, nonce). - Sign the exact-scheme EIP-712 USDC authorization with your wallet
(
@x402/fetchfor TS,x402for Python handle this), then call the tool again with the base64 token in thepayment_signatureargument.
Cheapest way to test the full flow end-to-end: get_delay_risk_demo ($0.002).
- Network: Base mainnet (
eip155:8453) - Asset: USDC (
0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)
Links
- Website: https://vibesprings.net
- Agent onboarding: https://vibesprings.net/for-agents
- Machine catalog: https://vibesprings.net/api/catalog
llms.txt: https://vibesprings.net/llms.txtagents.txt: https://vibesprings.net/agents.txt
Provider: Ilyistics LLC · Contact: support@vibesprings.net
License
Documentation in this repository is released under the MIT License. The Vibe Springs service and its implementation are proprietary and not included here.
Frequently asked questions
What is Vibe Springs?
Pay-per-use weather, environment, finance, and on-chain intelligence tools for AI agents via x402.
How do I install Vibe Springs?
It runs as a remote server. In Claude Code: claude mcp add --transport http vibe-springs 'https://vibesprings.net/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.
Does Vibe Springs need an API key?
Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.
Is Vibe Springs open source?
Yes. Its code is on GitHub under the MIT license.
Who maintains Vibe Springs?
It is published by chrispy90. AI.tn lists it but does not maintain or endorse it.
From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.