# KnownGate (remote · mcp.knowngate.com)

Food verification for people and AI agents: evidence-backed verdicts, with sources and dates.

- Trust score: 84/100 (high trust)
- Change this week: +3
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-09-21

## Components

- remote · `mcp.knowngate.com`: 84/100 (this document), [markdown](https://verifymcp.io/servers/com-knowngate-verify/mcp.md), [page](https://verifymcp.io/servers/com-knowngate-verify/mcp)

## Channel facts

- Endpoint: `https://mcp.knowngate.com`
- Transports: `streamable-http`
- Auth: `none`
- Version: `0.1.0`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-09-21.

- **Endpoint Security**: 91/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - Authorisation is enforced on tool calls, but the challenge carries no valid RFC 9728 metadata, so a client cannot discover where to get a token.
  - HTTPS is enforced; there's no plaintext access path.
  - The HSTS (Strict-Transport-Security) header is present.
  - DNSSEC is configured correctly; the domain's records validate against the full chain to the root.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 66/100
  - AI-judged instruction clarity (good).
  - Context-footprint check failed: tool/resource definitions use about 648 tokens (~162/item across 4 items; 4 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 63/100
  - Stability observed for 19 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 87/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 60% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 4 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 4 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a current MCP spec version (2026-07-28).

## Install

### How do I install the KnownGate MCP server?

KnownGate is a hosted endpoint at https://mcp.knowngate.com/, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add --transport http com-knowngate-verify 'https://mcp.knowngate.com/'
```

### Cursor

```json
{
  "mcpServers": {
    "com-knowngate-verify": {
      "url": "https://mcp.knowngate.com/"
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "com-knowngate-verify": {
      "type": "http",
      "url": "https://mcp.knowngate.com/"
    }
  }
}
```

### Codex

```toml
[mcp_servers.com-knowngate-verify]
url = "https://mcp.knowngate.com/"
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "com-knowngate-verify": {
      "type": "remote",
      "url": "https://mcp.knowngate.com/",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add com-knowngate-verify --url 'https://mcp.knowngate.com/' --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  com-knowngate-verify:
    url: "https://mcp.knowngate.com/"
```

### Netclaw

```json
{
  "McpServers": {
    "com-knowngate-verify": {
      "Transport": "http",
      "Url": "https://mcp.knowngate.com/"
    }
  }
}
```

### Vellum

```bash
assistant mcp add com-knowngate-verify -t streamable-http -u 'https://mcp.knowngate.com/'
```

### Other

```json
{
  "mcpServers": {
    "com-knowngate-verify": {
      "type": "http",
      "url": "https://mcp.knowngate.com/"
    }
  }
}
```

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-09-20 (score 84, +1)

No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-18 (score 83, +1)

No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-16 (score 82, +1)

No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-14 (score 81, +1)

No change was recorded against any check on this day. Stability & Change Management went from 37 to 40. That category is still filling its 30-day observation window: 11 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-12 (score 80, +1)

No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-10 (score 79, +1)

No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-07 (score 78, +1)

No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-05 (score 77, +1)

No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.

## MCP tools (4)

### `check_item` (~204 tokens)

Rule one food subject against the household premise (restrictions, thresholds, or both). Needs a key (Authorization: Bearer kg_live_…); create a free one with the register tool. Returns one of four verdicts (no_conflict_found, conflict_found, ask_one_question, couldnt_verify) with typed hits, source kind and read date. Unknown counts as no; the word safe is never used.

Input parameters:

- `restrictions` (array, required): Household restrictions. FDA-9 keys ("peanut", "sesame", "milk", …) as strings, or { key, note } when a note matters (e.g. { key: "tree_nut", note: "cashew" }). May be empty when thresholds carry the…
- `subject` (object, required)
- `thresholds` (array): Numeric premise (beta): per-serving nutrient bounds ruled against the product's typed panel. Unknown values refuse honestly, never zero. An empty array means no numeric limits.

### `check_venue` (~161 tokens)

Rule a whole venue's published chart against the household restrictions in one call. Needs a key (Authorization: Bearer kg_live_…); create a free one with the register tool. Returns per-verdict counts, the most severe items, the operator's cross-contact caveat verbatim, and the chart's source and read date. A venue with no machine-readable chart says so honestly.

Input parameters:

- `restrictions` (array, required): Household restrictions. FDA-9 keys ("peanut", "sesame", "milk", …) as strings, or { key, note } when a note matters (e.g. { key: "tree_nut", note: "cashew" }). May be empty when thresholds carry the…
- `venue` (object, required)

### `check_plan` (~192 tokens)

Rule a set of items at once: a recipe's ingredients, a basket, several days. Needs a key (Authorization: Bearer kg_live_…); create a free one with the register tool. Up to 25 subjects, one call, one verdict per item plus a summary line. Each item carries its own evidence, source and read date.

Input parameters:

- `items` (array, required)
- `restrictions` (array, required): Household restrictions. FDA-9 keys ("peanut", "sesame", "milk", …) as strings, or { key, note } when a note matters (e.g. { key: "tree_nut", note: "cashew" }). May be empty when thresholds carry the…
- `thresholds` (array): Numeric premise (beta): per-serving nutrient bounds ruled against the product's typed panel. Unknown values refuse honestly, never zero. An empty array means no numeric limits.

### `register` (~91 tokens)

Sign yourself up for a developer key without leaving MCP. The email is contact and recovery, not a wall. One key per email, free tier (100 checks a month); the key is in this response and never shown again. Nothing on knowngate.com itself needs a key.

Input parameters:

- `agent_name` (string, required): Who is signing up, e.g. your product name
- `contact_email` (string, required)

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/com-knowngate-verify/mcp#diagnostics

## Score history

- 2026-09-21: 84
- 2026-09-20: 84
- 2026-09-19: 83
- 2026-09-18: 83
- 2026-09-17: 82
- 2026-09-16: 82
- 2026-09-15: 81
- 2026-09-14: 81
- 2026-09-13: 80
- 2026-09-12: 80
- 2026-09-11: 79
- 2026-09-10: 79
- 2026-09-09: 78
- 2026-09-08: 78
- 2026-09-07: 78
- 2026-09-06: 77
- 2026-09-05: 77
- 2026-09-04: 76
- 2026-09-03: 76
- 2026-09-02: 75

## Common questions

### What is the KnownGate MCP server?

KnownGate is an MCP server listed in the public MCP registry as com.knowngate/verify. Food verification for people and AI agents: evidence-backed verdicts, with sources and dates. This page covers its hosted endpoint (https://mcp.knowngate.com).

### Is the KnownGate MCP server safe to use?

KnownGate scores 84 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the KnownGate MCP server expose?

KnownGate exposes 4 tools: check_item, check_venue, check_plan, register. Their descriptions and schemas cost roughly 648 tokens of context every time the server is loaded.

### Does the KnownGate MCP server require authentication?

Yes. KnownGate asked us for credentials when we connected, so you will need to authorise it in your MCP client before it can do anything.

### Is the KnownGate MCP server still maintained?

KnownGate is still listed as active in the MCP registry. We last reached this channel on 21 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

## Links

- Remote endpoint: https://mcp.knowngate.com/
- Repository: https://github.com/FocusedCreativity/knowngate
- Website: https://www.knowngate.com/
- Changelog RSS feed: https://verifymcp.io/servers/com-knowngate-verify/mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/com-knowngate-verify/mcp.json
- HTML version of this page: https://verifymcp.io/servers/com-knowngate-verify/mcp