Search AtCoder problems and fetch public problem statements through MCP.
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Report the audited anonymous AtCoder read surface and explicitly unsupported operations.
This tool takes no arguments.
Report the audited anonymous AtCoder read surface and explicitly unsupported operations.
No arguments.
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {},
"additionalProperties": false
}Fetch one public problem statement from an exact contest/task pair or canonical atcoder.jp task URL. Returns sanitized HTML with preserved math, samples, limits, hashes, and source provenance.
No arguments.
{
"type": "object",
"anyOf": [
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"pattern": "^https:\\/\\/atcoder\\.jp\\/contests\\/[a-z0-9][a-z0-9_-]{0,63}\\/tasks\\/[a-z0-9][a-z0-9_-]{0,63}(?:\\?lang=(?:en|ja))?$",
"maxLength": 300,
"description": "Canonical HTTPS atcoder.jp task URL, optionally with one en/ja lang query."
},
"locale": {
"enum": [
"en",
"ja"
],
"type": "string",
"description": "Statement locale. Overrides the URL lang query when supplied."
}
},
"additionalProperties": false
},
{
"type": "object",
"required": [
"contestId",
"taskId"
],
"properties": {
"locale": {
"enum": [
"en",
"ja"
],
"type": "string",
"description": "Statement locale. Defaults to English."
},
"taskId": {
"type": "string",
"pattern": "^[a-z0-9][a-z0-9_-]{0,63}$",
"description": "Exact AtCoder task id, such as abc086_a."
},
"contestId": {
"type": "string",
"pattern": "^[a-z0-9][a-z0-9_-]{0,63}$",
"description": "Exact AtCoder contest id, such as abc086."
}
},
"additionalProperties": false
}
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}Report local readiness and the latest observed AtCoder page-read status without probing upstream.
No arguments.
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {},
"additionalProperties": false
}Resolve exactly one contest/task id, atcoder:contest/task id, or canonical task URL. Free-text and catalog crawling are not supported.
| Argument | Type | Description |
|---|---|---|
| limit* | integer | |
| query* | string | |
| locale | string | |
| platform* | string | |
| requestId* | string | |
| schemaVersion* | string |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"schemaVersion",
"requestId",
"platform",
"query",
"limit"
],
"properties": {
"limit": {
"type": "integer",
"maximum": 50,
"minimum": 1
},
"query": {
"type": "string",
"maxLength": 300,
"minLength": 1
},
"locale": {
"enum": [
"en",
"ja"
],
"type": "string"
},
"platform": {
"type": "string",
"const": "atcoder"
},
"requestId": {
"type": "string",
"maxLength": 200,
"minLength": 1
},
"schemaVersion": {
"type": "string",
"const": "oj.search-request/v1"
}
},
"additionalProperties": false
}