# Datamuse MCP (npm · datamuse-mcp)

MCP server for Datamuse word-finding API

- Trust score: 70/100 (medium)
- Change this week: +24
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `datamuse-mcp`: 70/100 (this document), [markdown](https://verifymcp.io/servers/lacausecrypto-datamuse-mcp/datamuse-mcp.md), [page](https://verifymcp.io/servers/lacausecrypto-datamuse-mcp/datamuse-mcp)

## Channel facts

- Registry: `npm`
- Package: `datamuse-mcp`
- Version: `1.0.0`
- 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 2026-08-03.

- **Supply Chain Security**: 87/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 110 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 81/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 843 tokens (~84/item across 10 items; 10 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 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.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add lacausecrypto-datamuse-mcp -- npx -y datamuse-mcp
```

### Codex

```bash
codex mcp add lacausecrypto-datamuse-mcp -- npx -y datamuse-mcp
```

### opencode

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

### OpenClaw

```bash
openclaw mcp add lacausecrypto-datamuse-mcp --command npx --arg -y --arg datamuse-mcp
```

### Hermes

```yaml
mcp_servers:
  lacausecrypto-datamuse-mcp:
    command: "npx"
    args: ["-y", "datamuse-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "lacausecrypto-datamuse-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "datamuse-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.

### 2026-08-03 (score 70, +4)

- [functional improvement] Stability: unverified → 0.23

### 2026-08-02 (score 66, +45)

- [security regression] Provenance: unverified → fail
- [security improvement] Install scripts: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional regression] Tool coverage: 100 → unverified
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] License: unverified → pass
- [functional improvement] Schema quality: unverified → excellent
- [functional improvement] Dependency health: unverified → partial
- [functional] First check of Schema quality: unverified
- [functional] Licence: MIT

### 2026-08-01 (score 21, −17)

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

### 2026-07-31 (score 38, −8)

- [security regression] Provenance: unverified → fail
- [security regression] Malware scan: pass → unverified
- [security improvement] Install scripts: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] License: unverified → pass
- [functional] Licence: MIT

### 2026-07-27 (score 46)

First indexed and scored.

## MCP tools (10)

### `find_synonyms` (~92 tokens)

Find synonyms (words with similar meanings) for a given word. Uses WordNet and corpus data. Optionally bias results toward a specific topic.

Input parameters:

- `max` (number): Maximum number of results (1-50, default: 10)
- `topic` (string): Optional topic to bias results (e.g., 'music', 'medical')
- `word` (string, required): The word to find synonyms for

### `find_antonyms` (~63 tokens)

Find antonyms (words with opposite meanings) for a given word using WordNet relationships.

Input parameters:

- `max` (number): Maximum number of results (1-50, default: 10)
- `word` (string, required): The word to find antonyms for

### `find_rhymes` (~101 tokens)

Find words that rhyme with a given word. Supports perfect rhymes and near-rhymes. Useful for poetry, songwriting, and creative writing.

Input parameters:

- `max` (number): Maximum number of results (1-100, default: 20)
- `type` (string): Type of rhyme: 'perfect' for exact rhymes, 'near' for approximate (default: perfect)
- `word` (string, required): The word to find rhymes for

### `find_similar_sounding` (~79 tokens)

Find words that sound similar to the input. Useful for spelling correction, finding homophones, creating puns, or phonetic matching.

Input parameters:

- `max` (number): Maximum number of results (1-50, default: 15)
- `text` (string, required): The text to match phonetically (can be a misspelling)

### `find_by_pattern` (~106 tokens)

Find words matching a spelling pattern with wildcards. Use '*' for any number of characters, '?' for exactly one character. Examples: 't??k' matches talk/tank/tick, 'un*able' matches unable/unforgettable.

Input parameters:

- `max` (number): Maximum number of results (1-100, default: 25)
- `meaning_hint` (string): Optional meaning to filter results
- `pattern` (string, required): Spelling pattern with wildcards (* or ?)

### `find_related_words` (~137 tokens)

Find words semantically related to the input. Can find words by meaning similarity, statistical associations (triggers), or hierarchical relationships (hypernyms/hyponyms).

Input parameters:

- `max` (number): Maximum number of results (1-50, default: 15)
- `relation_type` (string): Type of relation: 'meaning' for semantic similarity, 'triggers' for associations, 'broader' for hypernyms, 'narrower' for hyponyms (default: meaning)
- `topic` (string): Optional topic to bias results
- `word` (string, required): The word to find related words for

### `find_adjectives_for_noun` (~79 tokens)

Find adjectives commonly used to describe a noun. Based on Google Books Ngrams data. Example: 'ocean' → deep, blue, vast, pacific.

Input parameters:

- `max` (number): Maximum number of results (1-50, default: 15)
- `noun` (string, required): The noun to find adjectives for

### `find_nouns_for_adjective` (~75 tokens)

Find nouns commonly described by an adjective. Based on Google Books Ngrams data. Example: 'yellow' → sun, light, fever, pages.

Input parameters:

- `adjective` (string, required): The adjective to find nouns for
- `max` (number): Maximum number of results (1-50, default: 15)

### `get_word_info` (~48 tokens)

Get detailed information about a word including: definitions, part of speech, syllable count, pronunciation (IPA), and usage frequency.

Input parameters:

- `word` (string, required): The word to get information about

### `autocomplete` (~63 tokens)

Get word suggestions for a partial input. Includes intelligent spelling correction and phonetic fallbacks when exact prefix matches aren't found.

Input parameters:

- `max` (number): Maximum number of suggestions (1-25, default: 10)
- `prefix` (string, required): The partial word to complete

## Diagnostics

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

## Score history

- 2026-08-03: 70
- 2026-08-02: 66
- 2026-08-01: 21
- 2026-07-31: 38
- 2026-07-29: 46
- 2026-07-28: 46
- 2026-07-27: 46

## Links

- npm package: https://www.npmjs.com/package/datamuse-mcp
- Socket report: https://socket.dev/npm/package/datamuse-mcp
- Repository: https://github.com/lacausecrypto/datamuse-mcp
- Changelog RSS feed: https://verifymcp.io/servers/lacausecrypto-datamuse-mcp/datamuse-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/lacausecrypto-datamuse-mcp/datamuse-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/lacausecrypto-datamuse-mcp/datamuse-mcp
