# SSTIM MCP: Senses, Stimuli and Perception (npm · @sstim/mcp)

SSTIM reference for senses, stimuli, perception and scientific contributions.

- Trust score: 69/100 (medium)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-10-16

## Components

- npm · `@sstim/mcp`: 69/100 (this document), [markdown](https://verifymcp.io/servers/w3c-cg-sstim/sstim-mcp.md), [page](https://verifymcp.io/servers/w3c-cg-sstim/sstim-mcp)

## Channel facts

- Registry: `npm`
- Package: `@sstim/mcp`
- Version: `0.3.0`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, 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 2026-10-16.

- **Supply Chain Security**: 100/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - No production dependencies, so there is no dependency health to assess.
- **Provenance & Transparency**: 48/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (Apache-2.0).
  - Actively maintained (last published 4 days ago).
  - Publishes a security disclosure policy (SECURITY.md).
- **Schema Quality & AI Usability**: 69/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 817 tokens (~102/item across 8 items; 8 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 0/100
  - Stability not yet verified: not enough scan history yet (needs a 30-day window).
- **Tool Coverage**: 93/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 79% 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 8 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 9 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).

**Unverified: 1 category.** A category scored 0 because we could not verify it: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.

## Install

### How do I install the SSTIM MCP: Senses, Stimuli and Perception server?

SSTIM MCP: Senses, Stimuli and Perception runs locally as an npm package, launched with npx -y @sstim/mcp. 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 w3c-cg-sstim -- npx -y @sstim/mcp
```

### Cursor

```json
{
  "mcpServers": {
    "w3c-cg-sstim": {
      "command": "npx",
      "args": [
        "-y",
        "@sstim/mcp"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "w3c-cg-sstim": {
      "command": "npx",
      "args": [
        "-y",
        "@sstim/mcp"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add w3c-cg-sstim -- npx -y @sstim/mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "w3c-cg-sstim": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@sstim/mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add w3c-cg-sstim --command npx --arg -y --arg @sstim/mcp
```

### Hermes

```yaml
mcp_servers:
  w3c-cg-sstim:
    command: "npx"
    args: ["-y", "@sstim/mcp"]
```

### Netclaw

```json
{
  "McpServers": {
    "w3c-cg-sstim": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "@sstim/mcp"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add w3c-cg-sstim -t stdio -c npx -a -y @sstim/mcp
```

### Other

```json
{
  "mcpServers": {
    "w3c-cg-sstim": {
      "command": "npx",
      "args": [
        "-y",
        "@sstim/mcp"
      ]
    }
  }
}
```

## 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.

### 2026-10-14 (score 69, +29)

- [security improvement] Injection markers: unverified → pass
- [security] First check of Judged manipulation: pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] Tool coverage: unverified → 100
- [functional improvement] MCP protocol: unverified → pass
- [functional] First check of Schema quality: fail
- [functional] First check of Tool coverage: 79
- [functional] First check of Destructive annotations: pass
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: good

### 2026-10-12 (score 40, 0)

- [functional] Package version: 0.2.0 → 0.3.0

### 2026-10-11 (score 40)

First indexed and scored.

## MCP tools (8)

### `sstim_list_releases` (~27 tokens)

List supported frozen SSTIM ontology releases and the latest published release. Read-only.

### `sstim_search_concepts` (~106 tokens)

Search the versioned SSTIM reference catalog by CURIE, IRI, label, alternate label, or definition. Returns exact canonical IRIs with source release; not scientific evidence.

Input parameters:

- `includeDeprecated` (boolean)
- `kind` (string)
- `limit` (integer)
- `query` (string, required): Search phrase, at least 2 characters
- `release` (string): Frozen release, for example 0.19.0; defaults to latest

### `sstim_get_concept` (~84 tokens)

Return a complete, exact released SSTIM term record with multilingual definitions, related IRIs, mappings and source provenance. Identifier must be IRI or CURIE from SSTIM catalog.

Input parameters:

- `identifier` (string, required): Exact term IRI or CURIE, e.g. sstim:Stimulation
- `release` (string): Optional frozen release; defaults to latest

### `sstim_prepare_feedback` (~79 tokens)

Create an SSTIM Contribution Bridge link for a user to review and voluntarily submit feedback. Does NOT submit, save or change anything. Never insert private chat text.

Input parameters:

- `identifier` (string): Optional exact term IRI or CURIE; leave empty for a missing-concept idea
- `release` (string): Optional frozen release for term identity

### `sstim_draft_contribution` (~179 tokens)

Draft a source-conscious proposal about stimuli, sensory perception, music/sound-based interventions, technology or the SSTIM reference. Never submits or validates claims.

Input parameters:

- `description` (string, required): What is wrong, needed, or proposed (max 4000 characters)
- `evidence` (string): Source URLs, citations, counterexamples or supporting details (not automatically verified)
- `kind` (string, required): Kind of proposed improvement or research need
- `release` (string): Optional frozen SSTIM ontology release x.y.z
- `reproduction` (string): Reproduction steps, observed behavior or specific use case
- `stance` (string, required): Epistemic status of the proposed assertion
- `targetIri` (string): Optional affected public HTTPS term/resource IRI
- `title` (string, required): Concise proposal title (max 140 characters)

### `sstim_list_contributions` (~46 tokens)

Read recent public SSTIM MCP contribution issues; open/closed status does not mean accepted/rejected science.

Input parameters:

- `limit` (integer)
- `state` (string)

### `sstim_get_contribution` (~39 tokens)

Read one public SSTIM MCP contribution issue, including its unverified text and current GitHub issue state.

Input parameters:

- `number` (integer, required)

### `sstim_submit_contribution` (~209 tokens)

WRITE: create a PUBLIC GitHub issue containing the exact reviewed proposal. Requires explicit operator authorization for this submission and SSTIM_GITHUB_TOKEN. Does NOT modify canonical SSTIM knowledge.

Input parameters:

- `approvedForPublicSubmission` (boolean, required): Must be true only after operator reviews and authorizes publishing this exact proposal publicly
- `description` (string, required): What is wrong, needed, or proposed (max 4000 characters)
- `evidence` (string): Source URLs, citations, counterexamples or supporting details (not automatically verified)
- `kind` (string, required): Kind of proposed improvement or research need
- `release` (string): Optional frozen SSTIM ontology release x.y.z
- `reproduction` (string): Reproduction steps, observed behavior or specific use case
- `stance` (string, required): Epistemic status of the proposed assertion
- `targetIri` (string): Optional affected public HTTPS term/resource IRI
- `title` (string, required): Concise proposal title (max 140 characters)

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/w3c-cg-sstim/sstim-mcp#diagnostics

## Score history

- 2026-10-16: 69
- 2026-10-15: 69
- 2026-10-14: 69
- 2026-10-13: 40
- 2026-10-12: 40
- 2026-10-11: 40

## Common questions

### What is the SSTIM MCP: Senses, Stimuli and Perception server?

SSTIM MCP: Senses, Stimuli and Perception is listed in the public MCP registry as io.github.w3c-cg/sstim. SSTIM reference for senses, stimuli, perception and scientific contributions. This page covers its npm package (@sstim/mcp).

### Is the SSTIM MCP: Senses, Stimuli and Perception server safe to use?

SSTIM MCP: Senses, Stimuli and Perception scores 69 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 16 October 2026. It declares no install or post-install scripts. 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 SSTIM MCP: Senses, Stimuli and Perception server expose?

SSTIM MCP: Senses, Stimuli and Perception exposes 8 tools: sstim_list_releases, sstim_search_concepts, sstim_get_concept, sstim_prepare_feedback, sstim_draft_contribution, and 3 more. Their descriptions and schemas cost roughly 769 tokens of context every time the server is loaded.

### Is the SSTIM MCP: Senses, Stimuli and Perception server still maintained?

SSTIM MCP: Senses, Stimuli and Perception is still listed as active in the MCP registry. We last reached this channel on 16 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the SSTIM MCP: Senses, Stimuli and Perception server under?

SSTIM MCP: Senses, Stimuli and Perception declares the Apache-2.0 licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/@sstim/mcp
- Socket report: https://socket.dev/npm/package/@sstim/mcp
- Repository: https://github.com/w3c-cg/sstim
- Website: https://w3c-cg.github.io/sstim/
- Changelog RSS feed: https://verifymcp.io/servers/w3c-cg-sstim/sstim-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/w3c-cg-sstim/sstim-mcp.json
- HTML version of this page: https://verifymcp.io/servers/w3c-cg-sstim/sstim-mcp