The enterprise MCP gateway

Agents are becoming your highest-volume API consumers, and MCP is the door they walk through. Elva does not just generate that door, it stands a hosted, enterprise-grade gateway behind it. Every agent call is authenticated, matched against the tools you chose to expose, relayed with encrypted credentials, and logged for audit before your API sees a single byte.

Compare that to the do-it-yourself route: a hand-rolled MCP server per API is another service to build, patch, host, and secure. API keys end up pasted into plaintext client configs on developer laptops. And once an agent connects, nobody can say which tools it called, how often, or with what result. Elva by Theneo replaces all of that with one managed control point between every agent and every API you expose.

What happens on every single call

The diagram above is not a marketing abstraction, it is the literal request path. Four things happen between an agent deciding to act and your API responding:

• Authentication. The calling client proves who it is before anything else happens. Unknown callers never reach your API.
• Tool matching. The request is checked against the exact set of tools you chose to expose. If an endpoint is not in the set, it does not exist as far as the agent is concerned.
• Credential injection. The gateway decrypts your upstream credentials server-side and attaches them in flight. Keys never sit in plaintext client configs on laptops.
• Structured results and audit. The response goes back to the agent in a clean, typed shape, and the call is logged with client, tool, status, duration, and token usage.

Control what agents can touch

Exposure is a deliberate choice, not a default. You pick which endpoints become tools, so an agent can read your catalog without ever seeing a delete route. Test mode lets teams and agents exercise the full surface safely before anything touches production, and because the gateway sits between every agent and every API, changing what is exposed is a configuration change, not a redeploy of yet another service.

Answers for the questions security will ask

• Who called what? Every tool call is attributable: which client, which tool, what status, how long it took, and how many tokens it consumed. When an agent misbehaves, you have the receipts.
• Where do the keys live? Server-side, encrypted, injected at call time. Nothing sensitive ships to the agent or its host machine.
• What is the blast radius? Only the tools you exposed, for the clients you authorized. Revoking access is immediate and central.
• Who patches it? Elva does. The gateway is hosted, so there is no extra service for your team to build, monitor, or keep up to date.

One gateway, every agent

The same governed surface serves Claude, Cursor, VS Code, Gemini, and Codex, so adopting a new agent platform does not mean a new security review. Generate a hosted MCP server from any collection in your catalog, decide what it exposes, and hand agents a door you actually control. It starts at app.getelva.ai.