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Türk Hukuku Mevzuat MCP

by aydincan

turk-hukuku-mevzuat-mcp

Türk mevzuatının resmî güncel metnini (mevzuat.gov.tr — Cumhurbaşkanlığı Mevzuat Bilgi Sistemi) yapay zekâ araçlarına açan bir MCP sunucusu.

Amaç tek cümle: model bir kanun maddesine atıf yaparken metni hafızasından değil, resmî kaynaktan alsın ve doğrulanabilir biçimde aktarsın. "TBK m.49" denildiğinde, sunucu maddenin yürürlükteki metnini ve doğrulama bağlantısını döndürür.

Hukuki danışmanlık değildir. Bu araç yalnızca resmî metne erişimi kolaylaştırır; yorum, içtihat değerlendirmesi ya da somut olaya uygulama içermez. Nihai metni daima mevzuat.gov.tr üzerinden teyit edin.

Ayrıntı: SORUMLULUK-REDDI.md · PRIVACY.md (veri toplama yok, telemetri yok; tek dış bağlantı mevzuat.gov.tr).


Ne yapar

Tool

İşlev

mevzuat_ara(ifade, nerede, adet)

Kanun arar; eşleşenleri ve mevzuat_id'lerini döndürür

madde_getir(kanun, madde_no)

Bir kanunun belirli maddesinin resmî güncel metni + doğrulama kaynağı

kanun_metni_getir(kanun)

Bir kanunun resmî güncel tam metni

bilinen_kanunlar()

Kayıtlı kanunların dizini (kısaltma, no, ad, kimlik)

kanun parametresi esnektir: kısaltma (TBK), numara (6098) veya tam kimlik (1.5.6098). Kayıtta olmayan kanunlar da numara/kimlikle çağrılabilir.

mevzuat_ara'da nerede üç değer alır: Baslik (kanun adında ara — kanunu bulmak için), Icerik (tam metinde ara — bir kavramın hangi kanunlarda geçtiğini taramak için), Tumu. Dönen mevzuat_id doğrudan madde_getir'e verilebilir — böylece numarasını bilmediğin kanunlara da erişebilirsin.

Related MCP server: Mevzuat MCP

Nasıl çalışır

mevzuat.gov.tr, her mevzuatın konsolide (güncel) metnini şu desende PDF olarak sunar:

https://www.mevzuat.gov.tr/MevzuatMetin/<Tür>.<Tertip>.<No>.pdf

Büyük kanunların tamamı 1.5.<No> (Tür=1 Kanun, Tertip=5) desenindedir — ör. TBK için 1.5.6098. Sunucu bu PDF'i çeker, metne dönüştürür (pypdf), istenen maddeyi regex ile ayıklar ve süreç boyunca önbellekte tutar. Tamamen yereldir; hiçbir veri toplanmaz.

Arama, sitenin anasayfa/MevzuatDatatable uç noktasına gider (aranan ifade UTF-8 Base64 ile kodlanır). Her sonuç tur.tertip.no taşıdığından, eşleşen kanunun PDF kimliği (dolayısıyla tam metni ve maddeleri) doğrudan elde edilir.

Kurulum

PyPI'de yayımlıdır; uv ile ayrı kurulum gerekmeden çalışır.

Claude Code

claude mcp add turk-hukuku-mevzuat -- uvx --from turk-hukuku-mevzuat-mcp turk-hukuku-mevzuat

OpenAI Codex

~/.codex/config.toml içine:

[mcp_servers.turk-hukuku-mevzuat]
command = "uvx"
args = ["--from", "turk-hukuku-mevzuat-mcp", "turk-hukuku-mevzuat"]

Gemini CLI

~/.gemini/settings.json içindeki mcpServers altına:

"turk-hukuku-mevzuat": {
  "command": "uvx",
  "args": ["--from", "turk-hukuku-mevzuat-mcp", "turk-hukuku-mevzuat"]
}

Alternatif: pip

pip install turk-hukuku-mevzuat-mcp
# komut: turk-hukuku-mevzuat   (ya da: python -m turk_hukuku_mevzuat)

Bilinen sınırlar

  • Yalnızca kanunlar. Hem arama (MevzuatTur=1) hem metin erişimi kanunlarla sınırlıdır; yönetmelik/tebliğ gibi diğer mevzuat türleri ve içtihat kapsam dışıdır.

  • Arama sıralaması garanti değil. mevzuat_ara ilk sonucu en alakalı yapmayabilir; doğru kanunu ad/no'ya bakarak seçin.

  • PDF metnine bağımlı. Nadiren satır kırılması/birleşme olabilir; kuşkuda kaynağı açın.

  • Mülga/değişik maddelerde araç metni döndüremezse uyarı verir — madde uydurmaz.

Lisans

MIT · © 2026 Aydın Can Polatkan

Veri kaynağı mevzuat.gov.tr'ye aittir; bu proje yalnızca kamuya açık resmî metne erişimi kolaylaştıran bağımsız bir istemcidir.


Bu çalışma, ömrünü Türk yargısına adamış babam Hâkim Vahit Polatkan'ın ebedi anısına ithaf edilmiştir.

Available Tools

4 tools
bilinen_kanunlarA

Kayıtlı kanunları (kısaltma, no, ad, mevzuat_id) listeler.

Kayıtta olmayan kanunlar da numara/kimlikle çağrılabilir; bu yalnızca yaygın kanunların hızlı dizinidir.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Output Schema

ParametersJSON Schema
NameRequiredDescription
resultYes

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description fully bears the transparency burden. It explains the behavior (lists registered laws with specific fields) and adds a caveat about unregistered laws being callable, which is useful context beyond the tool name.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, no wasted words. The main action is front-loaded, and the secondary sentence adds essential context about coverage. Every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no parameters, an output schema exists, and the description explains the purpose, fields, and scope (quick index). It is complete for this simple list tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There are no parameters, and the schema coverage is 100%. The description adds value by clarifying the output fields (kısaltma, no, ad, mevzuat_id), exceeding the baseline score of 4 for zero-parameter tools.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool lists registered laws with specific fields (kısaltma, no, ad, mevzuat_id), distinguishing it from sibling tools like madde_getir or mevzuat_ara by emphasizing it is a quick index of common laws.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It explains when to use the tool (to list registered laws) and notes that unregistered laws can still be called by number/id, implying this is not exhaustive. However, it does not explicitly state when not to use it or provide direct comparisons with siblings.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

kanun_metni_getirA

Bir kanunun RESMÎ güncel tam metnini getirir (mevzuat.gov.tr).

Büyük kanunlar uzundur; tek madde gerekiyorsa madde_getir tercih edilmeli. Dönen: {kanun, mevzuat_id, kaynak, uzunluk, metin}.

kanun: kısaltma ("TMK"), numara ("4721") veya tam kimlik ("1.5.4721").

ParametersJSON Schema
NameRequiredDescriptionDefault
kanunYes

TDQS

A4.8/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries full burden. It discloses the source (mevzuat.gov.tr), output structure, and input formats. However, it omits potential behavioral traits like rate limits, authentication, or error handling. Given the simplicity of the tool, this is mostly adequate.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise with three short sentences. The first sentence states the primary purpose and source. The second provides usage guidance. The third defines input and output. No unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has one parameter, no output schema, and simple functionality, the description fully covers input format, output structure, and usage alternatives. It is complete for an agent to correctly select and invoke the tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema has only one parameter 'kanun' with 0% coverage. The description meaningfully compensates by explaining it accepts abbreviations ('TMK'), numbers ('4721'), or full identifiers ('1.5.4721'), adding essential guidance beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool retrieves the official current full text of a law from mevzuat.gov.tr. It specifies the verb 'getirir' and resource 'kanun', and distinguishes from siblings by advising to use 'madde_getir' for single articles.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly tells when to use this tool: for full text of large laws, and when to avoid it: if only a single article is needed, use 'madde_getir' instead. This provides clear guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

madde_getirA

Bir kanunun belirli maddesinin RESMÎ güncel metnini getirir.

Atıf yapmadan önce bunu çağır: dönen metin mevzuat.gov.tr'nin yürürlükteki konsolide metnidir; kaynak doğrulama URL'sidir. metin None ise madde bulunamamıştır (numara yanlış ya da mülga) — uydurma, uyariyı aktar.

kanun: kısaltma ("TBK"), numara ("6098") veya tam kimlik ("1.5.6098").

ParametersJSON Schema
NameRequiredDescriptionDefault
kanunYes
madde_noYes

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It reveals that the tool returns `metin` (consolidated text), `kaynak` (verification URL), and a possible warning. It also describes failure mode (article not found). However, it does not mention authentication, rate limits, or side effects. Lacking annotations, the description is fairly transparent but could be more explicit about being a read-only operation.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is only two paragraphs. The first sentence states the core purpose. The second paragraph provides usage context. Every sentence adds value, and there is no verbosity or repetition.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema and simple parameters, the description covers the return fields (`metin`, `kaynak`, `uyari`) and failure handling. It explains what to do with the output. However, it does not explicitly state the data structure of the return object, which would help an agent parse the response correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so the description must compensate. It explains the `kanun` parameter can be an abbreviation ('TBK'), number ('6098'), or full ID ('1.5.6098'). For `madde_no`, it is implied as the article number. While it adds value beyond the schema, it does not specify exact format constraints or validation rules for `kanun`.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool retrieves the official current text of a specific article of a law. The verb 'getirir' and resource 'bir kanunun belirli maddesinin RESMÎ güncel metni' are specific. The tool is distinguished from siblings like 'kanun_metni_getir' (law text retrieval) and 'mevzuat_ara' (search).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly says 'Atıf yapmadan önce bunu çağır' (call this before citing), explains returned fields (`metin`, `kaynak`, `uyari`), instructs what to do if `metin` is None, warns not to fabricate, and explains the `kanun` parameter format. This provides clear when-to-use and what-to-expect guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

mevzuat_araA

mevzuat.gov.tr'de KANUN arar; eşleşen kanunları ve kimliklerini döndürür.

Kanunun numarasını bilmiyorsan önce bunu çağır: dönen her sonucun mevzuat_id değeri doğrudan madde_getir/kanun_metni_getir'e verilebilir.

nerede: "Baslik" (kanun adında ara — kanunu bulmak için), "Icerik" (tam metinde ara — bir kavramın hangi kanunlarda geçtiğini taramak için) ya da "Tumu". adet: en çok kaç sonuç (1-50).

ParametersJSON Schema
NameRequiredDescriptionDefault
adetNo
ifadeYes
neredeNoBaslik

TDQS

A4.1/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, so description carries full burden. It describes a read-only search operation and mentions result limiting via 'adet'. However, it does not disclose potential side effects, authentication needs, or return format details beyond the ID and name.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise and front-loaded with purpose. It uses a clear structure with explanations and colons. No unnecessary content, but the formatting is slightly informal.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema and low schema coverage, the description adequately explains the tool's role, workflow integration with siblings, and parameter meanings. It could provide more detail on return format but is sufficient for the task.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has 3 parameters with 0% coverage, but description explains 'nerede' options and 'adet' meaning (max result count 1-50). The 'ifade' parameter is implied as the search query but not explicitly described.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool searches for laws (KANUN) on mevzuat.gov.tr and returns matching laws and their IDs. It differentiates from sibling tools (madde_getir, kanun_metni_getir) by explaining that the returned mevzuat_id can be used with them.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides clear guidance: 'Kanunun numarasını bilmiyorsan önce bunu çağır' (if you don't know the law number, call this first) and explains how to use results. It also describes parameter choices for 'nerede' and 'adet'. However, it does not explicitly state when not to use this tool (e.g., when law number is known).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 4 tool updatesv0.1.0
    • First observedbilinen_kanunlar
    • First observedkanun_metni_getir
    • First observedmadde_getir
    • First observedmevzuat_ara

TDQS

A4.4/5.0

Scored across 4 tools

Disambiguation5/5

Her aracın net ve birbirinden ayrık bir amacı var: madde getirme, kanun metni getirme, arama yapma ve bilinen kanunları listeleme. Hiçbir örtüşme yok.

Naming Consistency5/5

Tüm araç adları fiil+isim (nesne+eylem) yapısında ve Türkçe snake_case olarak tutarlı: madde_getir, kanun_metni_getir, mevzuat_ara, bilinen_kanunlar.

Tool Count5/5

4 araç, mevzuat erişimi için ideal bir kapsam sunuyor. Ne eksik ne fazla; her araç gerekli ve yeterli.

Completeness4/5

Temel işlemler (ara, listele, tam metin getir, madde getir) mevcut. Salt okunur bir hukuk mevzuatı sunucusu için yeterli; belki alt maddelere veya belirli bölümlere erişim eklenebilirdi ama bu haliyle kullanışlı.

Maintenance

ActivityMaintained
ResponsivenessNo issues

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