OneSource MCP
io.onesource/mcp
About OneSource MCP
OneSource MCP is an MCP server published by onesource.io. Blockchain data, Deepstate and Standard Reserve markets, live chain queries, and API docs
It runs on your own machine: your AI client starts it from the npm package @one-source/mcp at version 5.24.0.
It asks for 2 secrets: X402_PRIVATE_KEY and ONESOURCE_API_KEY. Give it a key with the least access that still works.
Version 5.24.0 was published on 28 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 9 automated checks on the registry entry and the package code: 6 pass, 1 warn, 0 fail, 2 info. How we check.
What it asks for
| Variable | Required | Secret | Description |
|---|---|---|---|
X402_PRIVATE_KEY | No | Yes | EVM private key (64-char hex, 0x prefix optional) for automatic x402 USDC payments on Base |
ONESOURCE_API_KEY | No | Yes | OneSource API key for Bearer token auth |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/blockparty-global/1s-mcp |
| Version pinned | Pass | Every package has an explicit version |
| Secrets requested | Info | Asks for 2 secrets: X402_PRIVATE_KEY, ONESOURCE_API_KEY |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via domain onesource.io |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | @one-source/mcp@5.24.0 runs nothing at install |
| Code red flags | Warn | Reads browser or wallet data (dist/register-docs-tools.js:350: "MetaMask") |
| Text aimed at the AI | Pass | No hidden characters or instructions to the AI in 70 files, including comments and the README |
Popularity & health: 59 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
1 forks, 101 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | io.onesource/mcp |
|---|---|
| Publisher | Domain onesource.io |
| How the name is verified | Name verified via domain onesource.io. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Local: runs on your machine from a package |
| Packages | npm @one-source/mcp 5.24.0 (stdio) |
| Version | 5.24.0 |
| Published | |
| Last updated | |
| Source repository | https://github.com/blockparty-global/1s-mcp |
| Website | https://mcp.onesource.io |
| Category | Finance & payments (assigned by keyword rule, not by hand) |
Related servers in Finance & payments
- TONNode — TON blockchain access8/8TON liteservers over ADNL: balances, history, get-methods,…
Doichain4/4Proof of existence, names and chain data of the Doichain blockchain…
- mcp-blockchain-events7/7MCP server for subscribing to and managing on-chain event webhooks…
Bitview3/3Read-only Bitcoin blockchain, mempool, mining, market, and on-chain…- Chainstack4/4Deploy and manage blockchain nodes across 70+ protocols, search…
- DERO MCP Server8/8Read-only DERO blockchain MCP: 33 tools (12 composites) incl. TELA…