---
title: "Krater MCP server"
url: "https://martechdb.com/vendors/krater"
markdown_url: "https://martechdb.com/vendors/krater.md"
api_url: "https://martechdb.com/api/v1/vendors/krater.ai"
updated: "2026-11-06"
---

# Krater MCP server

Yes. Krater publishes an official MCP server at https://api.krater.ai/v1/mcp. It's hosted. We last checked it on 6 Nov 2026. MartechDB lists only servers the vendor publishes itself, never community servers.

**Key facts:** As of 6 Nov 2026, Krater's official MCP server scores 55/100 (provisional) on MartechDB's Agent Readiness Index (v1.1). It answered 7 of our 7 checks in the last 90 days.

- Website: [krater.ai](https://krater.ai)
- Categories: [AI chatbots & voice agents](https://martechdb.com/categories/ai-chatbots-voice-agents.md)

## Review

Krater's Krater MCP scores 55/100 on MartechDB's Agent Readiness Index: usable by AI agents, with gaps.

The good:

- Hosted by Krater: connect by URL, with nothing to install
- Published to the official MCP Registry
- Answered 100% of our checks in the last 90 days

Not checked yet: how you sign in; a docs page listing its tools; what agent access costs.

## Agent Readiness Index: 55/100 (provisional)

How friendly Krater is to AI agents, from its best official MCP server. Anything not yet researched scores nothing, so this score may rise once it is. Methodology v1.1: https://martechdb.com/methodology.

- Official MCP server: 30/30 (Published by the vendor)
- Hosted by the vendor: 25/25 (Connect by URL, nothing to install)
- OAuth sign-in: pending (Sign-in: see vendor docs)
- Documented tools: 0/10 (No docs page with its tools found yet)
- Free to start, pay as you go: 0/15 (Not stated by the vendor)

## Krater MCP

- Address: https://api.krater.ai/v1/mcp
- Runs: Hosted
- Sign-in: Sign-in: see vendor docs (`unknown`)
- Official MCP Registry: listed as `ai.krater/krater`
- Documentation: https://krater.ai/mcp
- How we know it's official: Documented on Krater's own site, at krater.ai
- First seen: 2026-10-30
- Last checked: 2026-11-06
- Recent checks: 7 of the last 7 reachable
- Uptime: 100% (7 of 7 checks reachable since 2026-10-31)

Tools: not known. The server needs sign-in before it lists them.

### Connect it

Claude Code:

```sh
claude mcp add --transport http krater https://api.krater.ai/v1/mcp
```

- Add to Cursor: <cursor://anysphere.cursor-deeplink/mcp/install?name=krater&config=eyJ1cmwiOiJodHRwczovL2FwaS5rcmF0ZXIuYWkvdjEvbWNwIn0%3D>
- Add to VS Code: <vscode:mcp/install?%7B%22name%22%3A%22krater%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Fapi.krater.ai%2Fv1%2Fmcp%22%7D>
- Claude.ai and Claude Desktop: Customize, Connectors, "+", Add custom connector, then paste https://api.krater.ai/v1/mcp
- ChatGPT: Settings, Apps, Advanced settings, turn on Developer mode, Create, then paste https://api.krater.ai/v1/mcp (this usually works only with servers that use self-serve sign-in or none)

JSON for Cursor, Windsurf and other clients that connect to hosted servers:

```json
{
    "mcpServers": {
        "krater": {
            "type": "http",
            "url": "https://api.krater.ai/v1/mcp"
        }
    }
}
```

## Questions

### Does Krater have an official MCP server?

Yes. Krater publishes its MCP server itself. Krater's own documentation describes it. MartechDB only lists servers a vendor publishes, never community copies.

### What is the Krater MCP server URL?

The address is https://api.krater.ai/v1/mcp.

### How do I connect Krater MCP to Claude, ChatGPT or Cursor?

In Claude, add https://api.krater.ai/v1/mcp as a custom connector (Customize, Connectors, Add custom connector). In Cursor, use the Add to Cursor link on MartechDB's page, or paste the JSON settings into your mcp.json. In Claude Code, run: claude mcp add --transport http krater https://api.krater.ai/v1/mcp

### Is the Krater MCP server in the official MCP Registry?

Yes, as ai.krater/krater.

### Is the Krater MCP server working?

Yes. It answered our most recent check. We last checked it on 6 Nov 2026.

### What are the alternatives to Krater's MCP server?

In AI chatbots & voice agents, the most agent-friendly alternatives with an official MCP server are SmartsUpp (97/100), Cekura (97/100), Brandwise (95/100), Knowbase (92/100) and Intercom (91/100). Krater scores 55/100 on the same index.

## Change history

- 2026-11-06: Krater MCP added to the official MCP Registry
- 2026-10-30: Added to MartechDB with Krater MCP

## Alternatives to Krater's MCP server

In AI chatbots & voice agents, the most agent-friendly first:

- [SmartsUpp](https://martechdb.com/vendors/smartsupp.md) (smartsupp.com), Agent Readiness Index 97/100
- [Cekura](https://martechdb.com/vendors/cekura.md) (cekura.ai), Agent Readiness Index 97/100
- [Brandwise](https://martechdb.com/vendors/brandwise.md) (brandwise.ai), Agent Readiness Index 95/100
- [Knowbase](https://martechdb.com/vendors/knowbase.md) (knowbase.ai), Agent Readiness Index 92/100
- [Intercom](https://martechdb.com/vendors/intercom.md) (intercom.com), Agent Readiness Index 91/100

## Get this data

- API: `curl https://martechdb.com/api/v1/vendors/krater.ai`
- MCP: `claude mcp add --transport http martechdb https://martechdb.com/mcp`, then ask about Krater.
- Web page: https://martechdb.com/vendors/krater