# Rarefied Earth Groundwork MCP (remote · connector.rarefied.earth)

Rarefied Earth Groundwork MCP: company memory for AI agents. 14-day full-access trial, no card.

- Trust score: 54/100 (low)
- Change this week: +1
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- remote · `connector.rarefied.earth`: 31/100, [markdown](https://verifymcp.io/servers/rarefied-earth-groundwork/connector.md), [page](https://verifymcp.io/servers/rarefied-earth-groundwork/connector)
- remote · `connector.rarefied.earth`: 54/100 (this document), [markdown](https://verifymcp.io/servers/rarefied-earth-groundwork/public-mcp.md), [page](https://verifymcp.io/servers/rarefied-earth-groundwork/public-mcp)

## Channel facts

- Endpoint: `https://connector.rarefied.earth/public/mcp`
- Transports: `streamable-http`
- Auth: `none`
- Version: `1.7.1`

## 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 2026-08-03.

- **Endpoint Security**: 46/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - Authorisation not fully verified: no authorisation is required to call this server, and 7 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.
  - HTTPS not yet verified: we couldn't determine whether a plaintext access path exists.
  - HSTS check failed: the Strict-Transport-Security header is absent.
  - DNSSEC check failed: this domain isn't protected by DNSSEC.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 43/100
  - AI-judged instruction clarity (poor).
  - Tool/resource definitions use about 530 tokens (~75/item across 7 items; 7 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - Structured output schemas are declared (14% of tools); any adoption earns full credit.
- **Capabilities**: 60/100
  - Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add --transport http rarefied-earth-groundwork https://connector.rarefied.earth/public/mcp
```

### Codex

```toml
[mcp_servers.rarefied-earth-groundwork]
url = "https://connector.rarefied.earth/public/mcp"
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "rarefied-earth-groundwork": {
      "type": "remote",
      "url": "https://connector.rarefied.earth/public/mcp",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add rarefied-earth-groundwork --url https://connector.rarefied.earth/public/mcp --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  rarefied-earth-groundwork:
    url: "https://connector.rarefied.earth/public/mcp"
```

### Other

```json
{
  "mcpServers": {
    "rarefied-earth-groundwork": {
      "type": "http",
      "url": "https://connector.rarefied.earth/public/mcp"
    }
  }
}
```

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.

### 2026-08-03 (score 54, +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.

### 2026-08-01 (score 53, −1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-31 (score 54, +1)

- [security] Tool “groundwork_trial_contract” rewrote its description, which is the text the model reads
- [security] Tool “groundwork_start_trial” rewrote its description, which is the text the model reads

### 2026-07-30 (score 53, −1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-28 (score 54, +1)

No change was recorded against any check on this day. Stability & Change Management went from 3 to 7. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 2 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-07-27 (score 53, +1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-26 (score 52)

First indexed and scored.

## MCP tools (7)

### `groundwork_public_status` (~42 tokens)

Rarefied Earth Groundwork MCP Status

Return Rarefied Earth Groundwork MCP product identity, supported hosts, delivery boundaries, the Ask prompt, and canonical links. Contains no tenant or private catalog data.

### `groundwork_trial_contract` (~77 tokens)

Rarefied Earth Groundwork Trial Contract

Return the current Rarefied Earth Groundwork contract: public discovery needs no account or card; the 14-day full-access trial takes no card, grants the entire catalog, and starts by connecting the authenticated endpoint; Pro, Operating, and Studio are the paid tiers you choose between when it ends. No private packages or product-state writes.

### `groundwork_public_proof` (~52 tokens)

Rarefied Earth Groundwork Public Proof

Return measured Rarefied Earth client-zero proof: available context reduction, estimated tokens per full load, precision state, and measurement timestamp. Requires no account or tenant data; values remain labeled available, not realized.

### `demo_resume` (~55 tokens)

Groundwork MCP Synthetic Resume

Return a deterministic Groundwork MCP synthetic continuity resume for Northstar Workshop: objective, verified state, inconsistencies, next action, and three questions. Public and read-only. It saves no state and reads no tenant or caller workspace data.

### `demo_checkpoint` (~50 tokens)

Groundwork MCP Synthetic Checkpoint

Return a deterministic Groundwork MCP synthetic checkpoint showing completed work, decisions, open items, evidence, and one next action. Public and read-only. It saves no checkpoint and writes no caller workspace or tenant state.

### `groundwork_start_trial` (~84 tokens)

Rarefied Earth Groundwork Human Trial Handoff

Return the stable way in to the Rarefied Earth Groundwork 14-day full-access trial (connect the authenticated endpoint, the human signs in, no card) plus structured human boundaries, current live trial terms, recovery semantics, post-connect endpoint metadata, and privacy facts. Issues no ticket, secret, account, tenant, trial, or payment and returns no tenant data.

### `groundwork_recommendation_kit` (~51 tokens)

Rarefied Earth Groundwork Recommendation Kit

Return schema-pinned fit, negative fit, alternative categories, client-zero proof, limitations, privacy facts, and the human claim boundary. Public and read-only; no caller workspace or tenant data.

Output parameters:

- `alternatives` (array)
- `fit` (object)
- `limitations` (array)
- `privacy` (object)
- `product` (string)
- `proof` (object)
- `schema_version`
- `trial` (object)

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/rarefied-earth-groundwork/public-mcp#diagnostics

## Score history

- 2026-08-03: 54
- 2026-08-02: 53
- 2026-08-01: 53
- 2026-07-31: 54
- 2026-07-30: 53
- 2026-07-29: 54
- 2026-07-28: 54
- 2026-07-27: 53
- 2026-07-26: 52

## Links

- Remote endpoint: https://connector.rarefied.earth/public/mcp
- Repository: https://github.com/Rarefied-Earth/groundwork
- Website: https://rarefied.earth/groundwork
- Changelog RSS feed: https://verifymcp.io/servers/rarefied-earth-groundwork/public-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/rarefied-earth-groundwork/public-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/rarefied-earth-groundwork/public-mcp