# ScriptGrain (remote · mcp.scriptgrain.com)

Your writing voice measured across 45 attributes; drafts in that voice, scored against it.

- Trust score: 69/100 (medium)
- Change this week: +3
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-10-23

## Components

- remote · `mcp.scriptgrain.com`: 31/100, [markdown](https://verifymcp.io/servers/com-scriptgrain-scriptgrain/mcp.md), [page](https://verifymcp.io/servers/com-scriptgrain-scriptgrain/mcp)
- remote · `mcp.scriptgrain.com`: 31/100, [markdown](https://verifymcp.io/servers/com-scriptgrain-scriptgrain/mcp-2.md), [page](https://verifymcp.io/servers/com-scriptgrain-scriptgrain/mcp-2)
- remote · `mcp.scriptgrain.com`: 69/100 (this document), [markdown](https://verifymcp.io/servers/com-scriptgrain-scriptgrain/try.md), [page](https://verifymcp.io/servers/com-scriptgrain-scriptgrain/try)

## Channel facts

- Endpoint: `https://mcp.scriptgrain.com/try`
- Transports: `streamable-http`
- Auth: `none`
- Version: `1.23.1`

## 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 2026-10-23.

- **Endpoint Security**: 63/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one.
  - HTTPS enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement.
  - 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**: 68/100
  - AI-judged instruction clarity (excellent).
  - Context-footprint check failed: tool/resource definitions use about 1105 tokens (~184/item across 6 items; 6 tools + 0 resources), over budget; trim descriptions and params.
  - 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).
  - 100% 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 6 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 7 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

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

ScriptGrain is a hosted endpoint at https://mcp.scriptgrain.com/try, 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-scriptgrain-scriptgrain 'https://mcp.scriptgrain.com/try'
```

### Cursor

```json
{
  "mcpServers": {
    "com-scriptgrain-scriptgrain": {
      "url": "https://mcp.scriptgrain.com/try"
    }
  }
}
```

### VS Code

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

### Codex

```toml
[mcp_servers.com-scriptgrain-scriptgrain]
url = "https://mcp.scriptgrain.com/try"
```

### opencode

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

### OpenClaw

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

### Hermes

```yaml
mcp_servers:
  com-scriptgrain-scriptgrain:
    url: "https://mcp.scriptgrain.com/try"
```

### Netclaw

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

### Vellum

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

### Other

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

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.

### 2026-10-22 (score 69, +1)

No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-20 (score 68, +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.

### 2026-10-18 (score 67, +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.

### 2026-10-16 (score 66, +1)

- [functional improvement] Stability: unverified → 0.03

### 2026-10-15 (score 65)

First indexed and scored.

## MCP tools (6)

### `start_session` (~106 tokens)

Start a guest session

Start a free guest session with no account. Returns guest_token (pass it to every other tool), claim_url (give it to the person: it keeps the voice profile in a free ScriptGrain account, or deletes it), expires_at and limits (one profile, one extraction, no drafts). Unclaimed sessions are archived after 7 days and can still be claimed or deleted from the same link. At most 3 sessions a day from one network; reuse the token you have.

### `create_profile` (~272 tokens)

Create a voice profile

Build the guest session's one voice profile from the person's own writing and start the stylometric extraction (45 measured attributes). Samples MUST be their own human-written prose. You can use writing you already hold for them (messages they typed to you, documents or emails they shared, posts of theirs you can read): their exact words, never your memory notes or summaries about them, and never text you or another AI wrote or rewrote. Tell the person which pieces you are sending before you call this; the result's samples_used lists each piece's first line and word count so you can show them. 1-20 samples, each under 5,000 words, 25,000 words in all; a sample needs 50+ words to count; 3+ samples totalling 3,000+ words gives a confident profile. Extraction usually takes under a minute: poll get_profile until status is 'complete'. The result carries claim_url for the person.

Input parameters:

- `english_variant` (string): British (uk) or American (us) spelling. Defaults to uk.
- `guest_token` (string, required): The guest_token from start_session.
- `name` (string): Profile name, e.g. "Sam's newsletter voice".
- `samples` (array, required): The person's own writing, one string per piece.

### `get_profile` (~80 tokens)

Get a voice profile

The guest profile's status and detail. While extraction runs it returns progress_percent; once status is 'complete' it includes the narrative voice description and all 45 measured attributes. Poll every ~10 seconds after create_profile.

Input parameters:

- `guest_token` (string, required): The guest_token from start_session.
- `profile_id` (string, required): The profile_id create_profile returned.

### `check_voice_match` (~156 tokens)

Score text against a voice

Score any text (20+ words) against the guest profile by feature-delta measurement. Returns voice_match_score (0-1), the per-feature `deltas` behind it, notes rendered from them and score_context caveats. On-voice text typically scores 0.85-0.95; below 0.45 is clearly off voice. Cite the delta numbers, do not invent detail. Free; 5 checks an hour per network (shared with compare_voice).

Input parameters:

- `guest_token` (string, required): The guest_token from start_session.
- `profile_id` (string, required): A 'complete' guest profile id.
- `text` (string, required): The text to score (20+ words, max ~50k chars).

### `compare_voice` (~172 tokens)

Compare writing samples

Off-voice check with no profile: score up to three pieces against a main piece. Each piece is pasted text (120+ words) or a public URL. Returns per-piece `score` (0-1: 0.8+ on voice, 0.55-0.8 drifting, below 0.55 off voice), `band`, `top_differences` and `top_matches` with the measured numbers, plus `notes`. Cite the numbers, do not invent detail. Free; 5 checks an hour per network (shared with check_voice_match).

Input parameters:

- `guest_token` (string, required): The guest_token from start_session.
- `main` (object, required): The reference piece.
- `others` (array, required): One to three pieces to score against the main piece (text or url each).

### `claim_status` (~91 tokens)

Check a guest session's claim link

Whether the person has claimed the guest session yet: status (active, expired, archived or claimed), claimed, archived, expires_at and claim_url. Works after expiry too. Once claimed, the guest_token stops working; the profile is in the person's own account, reachable with their API key or https://mcp.scriptgrain.com/mcp.

Input parameters:

- `guest_token` (string, required): The guest_token from start_session.

## Diagnostics

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

## Score history

- 2026-10-23: 69
- 2026-10-22: 69
- 2026-10-21: 68
- 2026-10-20: 68
- 2026-10-19: 67
- 2026-10-18: 67
- 2026-10-17: 66
- 2026-10-16: 66
- 2026-10-15: 65

## Common questions

### What is the ScriptGrain MCP server?

ScriptGrain is an MCP server listed in the public MCP registry as com.scriptgrain/scriptgrain. Your writing voice measured across 45 attributes; drafts in that voice, scored against it. This page covers its hosted endpoint (https://mcp.scriptgrain.com/try).

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

ScriptGrain scores 69 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 ScriptGrain MCP server expose?

ScriptGrain exposes 6 tools: start_session, create_profile, get_profile, check_voice_match, compare_voice, claim_status. Their descriptions and schemas cost roughly 877 tokens of context every time the server is loaded.

### Does the ScriptGrain MCP server require authentication?

No. We connected to ScriptGrain without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

### Is the ScriptGrain MCP server still maintained?

ScriptGrain is still listed as active in the MCP registry. We last reached this channel on 23 October 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.scriptgrain.com/try
- Repository: https://github.com/StovBuilds/scriptgrain-mcp
- Website: https://scriptgrain.com/
- Changelog RSS feed: https://verifymcp.io/servers/com-scriptgrain-scriptgrain/try.xml
- Changelog JSON feed: https://verifymcp.io/servers/com-scriptgrain-scriptgrain/try.json
- HTML version of this page: https://verifymcp.io/servers/com-scriptgrain-scriptgrain/try