Onyx MCP

The neutral trust layer that gives every AI agent a signed, portable credential based on what it actually did - verified execution, not identity. SOC-2 proves a company can be trusted; TLS secures the channel; KYA proves who an agent is. 0n1x proves what an agent did - the Carfax for AI agents. Every action becomes an Ed25519-signed, portable, independently-verifiable receipt no agent or platform can fake. It…. It is available as a remote MCP endpoint.

Teams that want a hosted finance endpoint instead of running a local process. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-07-31 · ★ 2 · #268 OF 283 MAINTAINED FINANCE · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Onyx MCP

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add dimitrilaouanis-tech-onyx-mcp --transport http https://onyx-actions.onrender.com/mcp/

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "dimitrilaouanis-tech-onyx-mcp": {
      "url": "https://onyx-actions.onrender.com/mcp/"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://onyx-actions.onrender.com/mcp/

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as remote - your agent's requests go to onyx-actions.onrender.com

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license MIT - declared in the repository

registry namespace io.github.dimitrilaouanis-tech is GitHub-verified and matches the repo owner

03 · Who maintains Onyx MCP

onyx-mcp is maintained by dimitrilaouanis-tech. It's the only MCP server we track from this author; the repo dates to Apr 2026.

04 · Facts

repository: github.com/dimitrilaouanis-tech/onyx-mcp
website: https://onyx-actions.onrender.com/
category: finance - ranked #268 of 283 actively-maintained finance servers as of 2026-08-25.
registry: io.github.dimitrilaouanis-tech/onyx-mcp (active, first published 2026-06-12)

05 · Onyx MCP FAQ

What is Onyx MCP?

Is Onyx MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-31. We re-verify nightly.

How do I install Onyx MCP?

Run `claude mcp add dimitrilaouanis-tech-onyx-mcp --transport http https://onyx-actions.onrender.com/mcp/`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Onyx MCP require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

06 · Alternatives to Onyx MCP

Alternatives to Onyx MCP

Maintained finance servers if Onyx MCP isn't the fit.

Pairs well with

Servers that cover what Onyx MCP doesn't - only shown when the pairing reason fits the companion.

More finance MCP servers · Banco MCP · Conta Azul MCP · Quicken Mac MCP · EdgeDepth Research · Elisym

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