MCP 서버로, AI 에이전트가 14개 유럽 언어의 동사를 활용할 수 있게 해줍니다. 각 도구 호출은 호스팅된 ablaut API에 대한 하나의 요청이며, 엔진은 네이티브 Rust로 실행됩니다. 로컬 빌드가 필요 없고, 서브밀리초 컴퓨팅이 가능합니다. ABLAUT_API_URL을 설정하여 다른 인스턴스를 가리킬 수 있습니다.
이 API는 얼리 액세스 상태이며, ABLAUT_API_KEY 환경 변수를 통해 전달되는 키가 필요합니다. ablaut.dev (API 대화상자)에서 요청하세요.
브라우저에서 ablaut.dev에서 엔진을 체험해보세요. 전체 API 및 응답 형태 참조는 ablaut.dev/api에서 확인할 수 있습니다.
Claude Code:
claude mcp add ablaut -- npx -y @v4nn4/ablaut-mcpClaude Desktop, Cursor 또는 기타 MCP 클라이언트:
{
"mcpServers": {
"ablaut": {
"command": "npx",
"args": ["-y", "@v4nn4/ablaut-mcp"]
}
}
}Related MCP server: APIClaw
conjugate (verb, language): 원형의 전체 활용 표로, 언어의 문어 표준의 모든 단순 및 복합 시제를 포함합니다. 언어 코드는 ISO 639-1(fr), ISO 639-3(fra) 또는 영어 이름(French)이며, 대소문자를 구분하지 않습니다.
list_languages: 지원되는 언어와 성숙도 상태입니다.
독일어, 프랑스어, 스페인어, 포르투갈어, 이탈리아어, 루마니아어, 스웨덴어, 영어, 덴마크어, 체코어, 슬로베니아어, 에스토니아어, 핀란드어, 아일랜드어. 각 언어는 두 개의 독립적인 골드 어휘집을 기준으로 검증됩니다. 언어별 정확도 및 판정 로그는 ablaut 저장소를 참조하세요.
저희는 호스팅된 활용 API(REST 및 원격 MCP)를 구축 중입니다. 서브밀리초 응답, 모든 언어에 대한 하나의 엔드포인트입니다. 관심이 있으신가요? ablaut.dev에서 알려주세요.
MIT OR Apache-2.0.
Full conjugation table for a verb in one of 20+ languages. Input is the infinitive (e.g. 'aufstehen', 'appeler', 'vorbi'); the result covers the language's written standard, validated against two independent gold lexicons. Field reference: https://www.ablaut.dev/api
| Name | Required | Description | Default |
|---|---|---|---|
| verb | Yes | The infinitive to conjugate | |
| language | No | Language code (ISO 639-1 like 'fr', ISO 639-3 like 'fra', or an English name like 'French'). Defaults to German. | de |
| Name | Required | Description |
|---|---|---|
| lang | Yes | |
| verb | Yes | |
| table | Yes | The conjugation table; fields are language-specific |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true and destructiveHint=false, so safety is covered. The description adds valuable behavioral context beyond annotations: the result covers the 'written standard' and is 'validated against two independent gold lexicons,' plus a field reference URL. This helps set expectations about output reliability and structure.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is three sentences with no filler: it states the core function, gives input examples, and then adds a key detail about scope plus a reference link. Every sentence earns its place.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
With an output schema present, return values need no explanation. The description covers input format, language scope, output standards, validation, and a field reference. Nothing an agent needs to call the tool correctly is missing.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so the schema already documents both parameters. The description reinforces that 'verb' is an infinitive with examples, but adds no new semantics beyond the schema. Baseline 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description begins with a precise verb+resource statement: 'Full conjugation table for a verb in one of 20+ languages.' It clearly distinguishes itself from the sibling tools find_infinitive and list_languages by focusing on producing conjugations from an infinitive input.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description clearly states the required input condition ('Input is the infinitive') and gives concrete examples, making the usage context explicit. It does not explicitly mention when not to use it or route to siblings, but the context is clear enough for an agent to choose this tool for conjugation tasks.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Reverse lookup: given any conjugated form and a language, returns the infinitive(s) whose paradigm contains it, with the slots it occupies (e.g. 'suis' in French matches both être and suivre). Full coverage for fr/es/de/en; irregular forms in all 20+ languages.
| Name | Required | Description | Default |
|---|---|---|---|
| form | Yes | The conjugated form to look up | |
| language | Yes | Language code (ISO 639-1, ISO 639-3, or an English name) |
| Name | Required | Description |
|---|---|---|
| form | Yes | |
| matches | Yes |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Given that annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, the safety profile is covered. The description adds valuable behavioral context beyond the annotations: it returns multiple possible infinitives, reports the slots the form occupies, includes coverage caveats for fr/es/de/en, and notes irregular forms are handled across all languages.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences with no wasted words. It front-loads the core purpose with 'Reverse lookup', then immediately explains the return behavior and gives a clarifying example. The coverage note at the end is concise and useful, and every sentence earns its place.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple read-only two-parameter lookup with a full schema and an output schema present, the description is complete. It explains what the tool returns, how it handles ambiguity, what coverage to expect, and which languages are supported. Nothing essential is missing for an agent to invoke it correctly.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, and both parameters already have clear descriptions in the schema ('The conjugated form to look up' and 'Language code'). The description reinforces this but does not add meaningful new parameter-level detail beyond what the schema already provides, so the baseline score of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description opens with 'Reverse lookup', which names a specific operation and resource: converting a conjugated form into its infinitive(s). It also distinguishes this from the sibling tool 'conjugate' by clearly stating the direction of the lookup, and provides a concrete ambiguous example ('suis' matching both être and suivre), so an agent can confidently tell it apart.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description makes the usage context explicit: use this when you have a conjugated form and want the infinitive(s). It does not explicitly name alternatives or exclusion conditions, but the 'reverse lookup' framing plus the sibling name 'conjugate' make the appropriate use case clear enough.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
The 20+ languages ablaut conjugates, with their codes and maturity status (beta: verified at 100% against two gold lexicons; wip: known gaps).
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
| Name | Required | Description |
|---|---|---|
| languages | Yes |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already establish readOnly/idempotent/non-destructive behavior. The description adds meaningful context by defining maturity semantics (beta: verified at 100% against two gold lexicons; wip: known gaps) and stating the scope of 20+ languages. No contradiction with annotations.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
A single compact sentence that front-loads the language count and then defines the maturity values. However, the phrasing 'languages ablaut conjugates' is grammatically unclear, slightly hurting the structure.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a zero-parameter list endpoint with an output schema and full safety annotations, the description covers the essential return contents (languages, codes, maturity) and the meaning of statuses. Nothing an agent needs to decide whether to invoke it is missing.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
There are no parameters, so parameter documentation is not needed; the schema coverage is 100% by default. The description appropriately focuses on the data the tool returns rather than input semantics.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The title and description clearly identify this as a listing tool for the 20+ languages Ablaut supports, including codes and maturity status. This distinguishes it from the sibling conjugation tools, though the description's grammar ('languages ablaut conjugates') is awkward and it never explicitly says 'returns a list'.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no guidance on when to call this tool versus conjugate or find_infinitive. Usage must be inferred from the title and sibling names, so an agent gets no explicit routing or exclusions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
v0.3.2conjugatefind_infinitivelist_languagesScored across 3 tools
Each tool has a clearly distinct role: conjugate produces full paradigms, find_infinitive maps inflected forms back to infinitives, and list_languages provides metadata. There is no overlap or ambiguity between them.
All tool names follow a consistent verb_object pattern in lowercase snake_case: conjugate, find_infinitive, list_languages. The naming is predictable and matches the action each tool performs.
Three tools is well-scoped for a conjugation-focused server: one for the primary action, one for reverse lookup, and one for language metadata. Each tool earns its place without unnecessary duplication.
For a read-only conjugation reference domain, the tool set is complete: it lists available languages, produces full conjugation tables, and supports reverse lookup from inflected forms. No critical operation or workflow dead end is missing.
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