
Orbis API Marketplace
io.github.OrbisAPIPublished by GitHub account OrbisAPIv1.0.7Updated Oct 24, 2026
8,000+ pay-per-call APIs via x402 USDC micropayments on Base. No API keys needed.
Overview
A local MCP server that lets an assistant browse the Orbis API marketplace and call its APIs, paying per call in USDC on Base via x402.
- What you can do
- Search and list APIs available on the Orbis marketplace across data, AI, finance and utilities categories, with pricing and payment details shown per call. Call any listed API directly, with the x402 USDC micropayment on Base handled by the server. Register an agent wallet for tracking and subscribe to an API for discounted access.
- When to use it
- Useful when an assistant needs data or services from many third-party APIs without signing up for each provider or managing individual API keys, and when paying a small per-call fee in USDC is acceptable.
- Requirements
- Runs locally via npx, so Node.js is needed; desktop MCP clients only. A Base mainnet wallet private key is supplied through the WALLET_PRIVATE_KEY environment variable to fund USDC micropayments, and the README also mentions an optional ORBIS_KEY. Network access to the Orbis marketplace and Base is required.
Installation
In SourceWeft
- Open Orbis API Marketplace in the dashboard and add it to a workspace.
- Enable the server for the chats that should use its tools.
Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.
Other MCP clients
Follow the launch instructions in the repository.
README
@orbisapi/mcp
[npm version] [MCP Registry] [GitHub Stars] [License: MIT]
MCP server for Orbis — gives Claude, Cursor, and any AI agent access to 2,800+ APIs with x402 USDC micropayments on Base. $0.01/call. No signup.
What this does
This MCP server connects your AI agent to the Orbis API marketplace. Your agent can:
- Browse 2,800+ APIs across data, AI, finance, and utilities
- Call any API directly — payment handled automatically via x402 on Base
- No API keys — agents pay per call in USDC, no accounts needed
Quickstart
Claude Desktop
Add to claude_desktop_config.json:
Config file location:
- macOS:
~/Library/Application Support/Claude/claude_desktop_config.json - Windows:
%APPDATA%\Claude\claude_desktop_config.json
Cursor
Add to Cursor settings → MCP:
Any MCP-compatible agent
Available Tools
How payments work
Orbis uses the x402 protocol — an open HTTP payment standard built on Base. When your agent calls an API:
- Orbis returns a
402 Payment Requiredresponse with payment details - The MCP server handles the USDC payment on Base automatically
- The API call completes — total cost: $0.01
No wallets to configure for browsing. To make paid calls, provide your Base wallet via ORBIS_KEY.
Environment Variables
Links
⭐ If this is useful, star the repo — it helps other developers find Orbis.
License
MIT © Orbis
Source: README.md at commit a1c9c5e
Tools
0Version history
1- v1.0.7LatestSep 16, 2026
Score
50% of the applicable checks met
How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.
- Reached in the last 30 days25 pts
Keep the endpoint answering the MCP handshake; SourceWeft probes it every 30 days.
- Auth declared10 pts
Declare the credential headers in the registry entry, or keep the endpoint answering the probe so its auth can be classified.
- Tools listed15 pts
Answer tools/list without a credential, or ship a package that starts in a sandbox without one.
- DescriptionRequired15 pts
- Logo10 pts
- Documentation15 pts
- License10 pts