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Capítulo da CID-10

cid10_chapter
Read-onlyIdempotent

Retrieve a CID-10 chapter with all its groups, including code ranges and Portuguese titles, to drill into chapter hierarchy or find which group contains a code range.

Instructions

Get one CID-10 chapter and its constituent groups (e.g., "Chapter IX → I00-I02 Febre reumática aguda, I05-I09 Doenças reumáticas crônicas do coração, ...").

Use this tool to:

  • Drill from a chapter into its groups (code ranges with Portuguese titles)

  • Build hierarchical browsers

  • Find which group contains a code range

Provide the chapter number num as an integer 1-22 (chapter I = 1, IX = 9). Numbers outside 1-22 are rejected with a validation error. Returns the chapter (title and code range) plus ALL its groups in one response — no pagination; the 22 chapters hold 275 groups in total. Answered locally from the bundled CID-10 V2008; no network call.

Which CID-10 tool: use cid10_chapters first if you do not know the chapter number (it lists all 22 with code ranges); use cid10_lookup for one specific code and cid10_search to find codes by Portuguese text. For the international ICD-11, use icd11_chapters.

Input Schema

NameRequiredDescriptionDefault
numYesChapter number (1-22). CID-10 V2008 has 22 chapters.

Output Schema

NameRequiredDescriptionDefault
numYesThe chapter number as submitted.
foundYesWhether the chapter exists in CID-10 V2008.
groupsYesGroups (code-range blocks) of the chapter, each with its range and Portuguese title; empty when found=false.
chapterYesThe chapter (number, code range, Portuguese title); null when found=false.
provenanceYesProvenance block: source, URL, data vintage, extraction instant, origin diagnostics, citation, license
attributionYesCanonical source URLs of this response (attribution list)

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed4 schema fields changedv2.4.0
    • addedOutput schema / properties / chapter / description
      Added value: +"The chapter (number, code range, Portuguese title); null when found=false."
    • addedOutput schema / properties / found / description
      Added value: +"Whether the chapter exists in CID-10 V2008."
    • addedOutput schema / properties / groups / description
      Added value: +"Groups (code-range blocks) of the chapter, each with its range and Portuguese title; empty when found=false."
    • addedOutput schema / properties / num / description
      Added value: +"The chapter number as submitted."
  2. Changed7 schema fields changedv2.3.0
    • changedOutput schema / properties / provenance / description
      Previous value: -"Provenance block (contract v1.1): source, URL, data vintage, extraction instant, origin diagnostics, citation, license"New value: +"Provenance block: source, URL, data vintage, extraction instant, origin diagnostics, citation, license"
    • addedOutput schema / properties / provenance / properties / derivation_note
      Added value: +{
      +  "description": "What this server computed; present together with derived",
      +  "type": "string"
      +}
    • addedOutput schema / properties / provenance / properties / derived
      Added value: +{
      +  "description": "Present (true) only when this server computed the value (e.g. a ranking or summary statistics) instead of passing on what the source returned",
      +  "type": "boolean"
      +}
    • changedOutput schema / properties / provenance / properties / field_sources / description
      Previous value: -"Present only when the response joins parts from different origins or extraction instants (contract v1.2): for each group of fields, its URL, extraction instant and whether it came from cache. Absent in single-origin responses"New value: +"Present only when the response joins parts from different origins or extraction instants: for each group of fields, its URL, extraction instant and whether it came from cache. Absent in single-origin responses"
    • addedOutput schema / properties / provenance / properties / notices
      Added value: +{
      +  "description": "Caveats the source publishes about the data, verbatim (license statements are not repeated here; see the info://licenses resource). Absent when there is none",
      +  "items": {
      +    "type": "string"
      +  },
      +  "minItems": 1,
      +  "type": "array"
      +}
    • changedOutput schema / properties / provenance / properties / retrieval / description
      Previous value: -"Origin diagnostics of THIS source in this call (contract v1.1): requests made to the upstream, attempts summed across retries, anomalies worked around (kind + count); unstable=true when any anomaly happened. null when nothing was measured (bundled dataset, or response served entirely from cache)"New value: +"Origin diagnostics of THIS source in this call: requests made to the upstream, attempts summed across retries, anomalies worked around (kind + count); unstable=true when any anomaly happened. null when nothing was measured (bundled dataset, or response served entirely from cache)"
    • addedOutput schema / properties / provenance / properties / revision
      Added value: +{
      +  "additionalProperties": false,
      +  "description": "Whether the data can still change at the source: current = the version in force, the source may revise it; provisional = preliminary; final = will not change. Absent when unknown",
      +  "properties": {
      +    "note": {
      +      "description": "O específico da fonte: o que revisa, quando, por quê",
      +      "type": [
      +        "string",
      +        "null"
      +      ]
      +    },
      +    "status": {
      +      "description": "current = versão vigente, a fonte pode revisá-la; provisional = preliminar, incompleta ou sujeita a mudança (não compare como se fosse fechada); final = não muda mais, declarado pela fonte",
      +      "enum": [
      +        "current",
      +        "provisional",
      +        "final"
      +      ],
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "status",
      +    "note"
      +  ],
      +  "type": "object"
      +}
  3. Changed1 schema field changedv2.1.1
    • addedOutput schema / properties / provenance / properties / field_sources
      Added value: +{
      +  "description": "Present only when the response joins parts from different origins or extraction instants (contract v1.2): for each group of fields, its URL, extraction instant and whether it came from cache. Absent in single-origin responses",
      +  "items": {
      +    "additionalProperties": false,
      +    "description": "Proveniência de um grupo de campos da resposta: de onde veio e quando foi extraído",
      +    "properties": {
      +      "data_vintage": {
      +        "description": "Vintage/competência da sub-fonte",
      +        "type": [
      +          "string",
      +          "null"
      +        ]
      +      },
      +      "dataset_id": {
      +        "description": "Identificador do conjunto da sub-fonte",
      +        "type": [
      +          "string",
      +          "null"
      +        ]
      +      },
      +      "fields": {
      +        "description": "Campos do payload atribuídos a esta sub-fonte",
      +        "items": {
      +          "type": "string"
      +        },
      +        "minItems": 1,
      +        "type": "array"
      +      },
      +      "retrieved_at": {
      +        "description": "ISO-8601 da extração desta sub-fonte na origem",
      +        "type": [
      +          "string",
      +          "null"
      +        ]
      +      },
      +      "served_from_cache": {
      +        "description": "true se esta sub-fonte veio do cache do servidor (retrieved_at é o da extração original); false se foi buscada nesta chamada; null se o servidor não distingue",
      +        "type": [
      +          "boolean",
      +          "null"
      +        ]
      +      },
      +      "source_url": {
      +        "description": "URL canônica da sub-fonte que originou estes campos",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "fields",
      +      "source_url",
      +      "dataset_id",
      +      "data_vintage",
      +      "retrieved_at"
      +    ],
      +    "type": "object"
      +  },
      +  "minItems": 1,
      +  "type": "array"
      +}
  4. Changed3 schema fields changedv1.15.0
    • changedOutput schema / properties / provenance / description
      Previous value: -"Provenance block (contract v1.0): source, URL, data vintage, extraction instant, citation, license"New value: +"Provenance block (contract v1.1): source, URL, data vintage, extraction instant, origin diagnostics, citation, license"
    • addedOutput schema / properties / provenance / properties / retrieval
      Added value: +{
      +  "anyOf": [
      +    {
      +      "additionalProperties": false,
      +      "properties": {
      +        "anomalies": {
      +          "description": "Anomalias superadas até o sucesso, somadas por classe, em ordem fixa; [] se nenhuma",
      +          "items": {
      +            "additionalProperties": false,
      +            "properties": {
      +              "count": {
      +                "description": "Ocorrências desta classe na chamada",
      +                "maximum": 9007199254740991,
      +                "minimum": 1,
      +                "type": "integer"
      +              },
      +              "kind": {
      +                "description": "Classe da anomalia (vocabulário fechado do contrato)",
      +                "enum": [
      +                  "timeout",
      +                  "network",
      +                  "http_4xx",
      +                  "http_5xx",
      +                  "rate_limited",
      +                  "malformed_body"
      +                ],
      +                "type": "string"
      +              }
      +            },
      +            "required": [
      +              "kind",
      +              "count"
      +            ],
      +            "type": "object"
      +          },
      +          "type": "array"
      +        },
      +        "attempts": {
      +          "description": "Tentativas somadas, incluindo as repetidas (>= requests)",
      +          "maximum": 9007199254740991,
      +          "minimum": 1,
      +          "type": "integer"
      +        },
      +        "requests": {
      +          "description": "Idas distintas à origem que compõem esta resposta (fatias, páginas)",
      +          "maximum": 9007199254740991,
      +          "minimum": 1,
      +          "type": "integer"
      +        },
      +        "unstable": {
      +          "description": "true se houve repetição (attempts > requests) ou alguma anomalia",
      +          "type": "boolean"
      +        }
      +      },
      +      "required": [
      +        "requests",
      +        "attempts",
      +        "anomalies",
      +        "unstable"
      +      ],
      +      "type": "object"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "description": "Origin diagnostics of THIS source in this call (contract v1.1): requests made to the upstream, attempts summed across retries, anomalies worked around (kind + count); unstable=true when any anomaly happened. null when nothing was measured (bundled dataset, or response served entirely from cache)"
      +}
    • changedOutput schema / properties / provenance / required
      Previous value: -[
      -  "source",
      -  "source_url",
      -  "data_vintage",
      -  "retrieved_at",
      -  "citation",
      -  "license"
      -]New value: +[
      +  "source",
      +  "source_url",
      +  "data_vintage",
      +  "retrieved_at",
      +  "retrieval",
      +  "citation",
      +  "license"
      +]
  5. Changed1 schema field changedv1.11.0
    • addedInput schema / additionalProperties
      Added value: +false
  6. Changed4 schema fields changedv1.9.1
    • removedOutput schema / properties / provenance / properties / data_vintage / anyOf
      Removed value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]
    • addedOutput schema / properties / provenance / properties / data_vintage / type
      Added value: +[
      +  "string",
      +  "null"
      +]
    • removedOutput schema / properties / provenance / properties / license / anyOf
      Removed value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]
    • addedOutput schema / properties / provenance / properties / license / type
      Added value: +[
      +  "string",
      +  "null"
      +]
  7. Changed3 schema fields changedv1.8.0
    • addedOutput schema / properties / attribution
      Added value: +{
      +  "description": "Canonical source URLs of this response (attribution list)",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • addedOutput schema / properties / provenance
      Added value: +{
      +  "additionalProperties": false,
      +  "description": "Provenance block (contract v1.0): source, URL, data vintage, extraction instant, citation, license",
      +  "properties": {
      +    "citation": {
      +      "description": "Ready-to-use citation/attribution string",
      +      "type": "string"
      +    },
      +    "data_vintage": {
      +      "anyOf": [
      +        {
      +          "type": "string"
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "Version/release of the data as exposed by the source; null when not exposed"
      +    },
      +    "license": {
      +      "anyOf": [
      +        {
      +          "type": "string"
      +        },
      +        {
      +          "type": "null"
      +        }
      +      ],
      +      "description": "License / legal regime of the data"
      +    },
      +    "retrieved_at": {
      +      "description": "Real instant of the upstream extraction (ISO-8601, UTC). Responses served from cache keep the ORIGINAL fetch instant.",
      +      "type": "string"
      +    },
      +    "source": {
      +      "description": "Official upstream source of this data",
      +      "type": "string"
      +    },
      +    "source_url": {
      +      "description": "Canonical URL of the source (API base or dataset release)",
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "source",
      +    "source_url",
      +    "data_vintage",
      +    "retrieved_at",
      +    "citation",
      +    "license"
      +  ],
      +  "type": "object"
      +}
    • changedOutput schema / required
      Previous value: -[
      -  "num",
      -  "found",
      -  "chapter",
      -  "groups"
      -]New value: +[
      +  "num",
      +  "found",
      +  "chapter",
      +  "groups",
      +  "provenance",
      +  "attribution"
      +]
  8. Changed4 schema fields changedv1.5.7
    • removedInput schema / additionalProperties
      Removed value: -false
    • changedOutput schema / properties / chapter / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "code_end": {
      -        "type": "string"
      -      },
      -      "code_start": {
      -        "type": "string"
      -      },
      -      "num": {
      -        "type": "integer"
      -      },
      -      "title": {
      -        "type": "string"
      -      },
      -      "title_short": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "num",
      -      "code_start",
      -      "code_end",
      -      "title",
      -      "title_short"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "code_end": {
      +        "type": "string"
      +      },
      +      "code_start": {
      +        "type": "string"
      +      },
      +      "num": {
      +        "maximum": 9007199254740991,
      +        "minimum": -9007199254740991,
      +        "type": "integer"
      +      },
      +      "title": {
      +        "type": "string"
      +      },
      +      "title_short": {
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "num",
      +      "code_start",
      +      "code_end",
      +      "title",
      +      "title_short"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • addedOutput schema / properties / num / maximum
      Added value: +9007199254740991
    • addedOutput schema / properties / num / minimum
      Added value: +-9007199254740991
  9. First observedv1.2.1

TDQS

A4.9/5.0
Behavior5/5

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

Beyond the readOnly/idempotent annotations, it discloses the out-of-range rejection behavior, that all groups come back in one response with no pagination (275 groups across 22 chapters, so response size is bounded), and that results come from the bundled CID-10 V2008 with no network call. The 'no network call' statement sits in mild tension with openWorldHint=true, but that hint describes the domain of entities rather than transport, so it reads as added context rather than a contradiction.

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?

Front-loaded with a one-line purpose plus example, then a compact bulleted use list, a parameter note, and a sibling-routing line. Every sentence carries distinct information (validation behavior, response size, data source, alternatives) with no filler.

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?

An output schema exists, yet the description still gives enough about the return payload (chapter title + code range + ALL groups, unpaginated) for an agent to plan around volume and shape. Combined with the validation rule and offline-data note, nothing needed to call it correctly is missing.

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 coverage is 100%, so the baseline would be 3; the description earns more by supplying the roman-numeral-to-integer mapping ('chapter I = 1, IX = 9') that the schema does not express, plus the explicit rejection of values outside 1-22. The remaining repetition of the 1-22 integer type is redundant with the schema, capping it below 5.

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?

States a specific verb and resource ('Get one CID-10 chapter and its constituent groups') and immediately illustrates the return shape with a concrete example (Chapter IX → I00-I02, I05-I09). It also distinguishes itself from the sibling navigation tools cid10_chapters, cid10_lookup and cid10_search, so an agent can select it without opening a schema.

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?

Explicitly enumerates the three intended uses (drill into groups, build hierarchical browsers, resolve a code range to a group) and gives an ordered fallback: 'use cid10_chapters first if you do not know the chapter number'. It also names cid10_lookup for single codes, cid10_search for text search, and icd11_chapters for the international edition.

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