slashyear — sourced history
Sourced history: 85,753 dated events, each quoted from a citable Wikipedia revision id.
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"mcp": {
"url": "https://slashyear.com/mcp"
}
}
}Remote endpoints
https://slashyear.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (7)
🟢search_history(query, from_year, to_year, limit)
Full-text search across every dated entry in the historical record, plus the subjects that match. Each entry is a sentence quoted verbatim from a numbered English Wikipedia revision and carries that revision id, so an answer built on it can cite a source that will still say the same thing next year. Use this whenever you need a dated fact.
Input Schema
{
"type": "object",
"properties": {
"query": {
"type": "string",
"description": "words to find, e.g. 'volcanic eruption' or 'Constantinople'"
},
"from_year": {
"type": "integer",
"description": "earliest year; astronomical numbering, so -43 means 44 BCE"
},
"to_year": {
"type": "integer",
"description": "latest year"
},
"limit": {
"type": "integer",
"description": "maximum entries to return (default 25, max 200)"
}
},
"required": [
"query"
]
}🟢get_year(year)
Everything the record holds for one year: the headline summary and every dated entry, grouped by subject, each with its source revision.
Input Schema
{
"type": "object",
"properties": {
"year": {
"type": "integer",
"description": "astronomical numbering: 1969, or -43 for 44 BCE"
}
},
"required": [
"year"
]
}🟢get_day(date)
One calendar day across every recorded year — what happened on 4 July in all of them. This aggregate exists in no single encyclopedia article.
Input Schema
{
"type": "object",
"properties": {
"date": {
"type": "string",
"description": "'july-4', 'July 4', '07-04' or any 'YYYY-MM-DD'"
}
},
"required": [
"date"
]
}🟢get_timeline(subject, from_year, to_year, limit)
One subject's whole record in date order: every dated entry across all years in which Wikipedia's editors linked to it, with its Wikidata id for joining to other datasets.
Input Schema
{
"type": "object",
"properties": {
"subject": {
"type": "string",
"description": "subject name or slug, e.g. 'Byzantine Empire' or 'byzantine-empire'"
},
"from_year": {
"type": "integer"
},
"to_year": {
"type": "integer"
},
"limit": {
"type": "integer",
"description": "default 100, max 1000"
}
},
"required": [
"subject"
]
}🟢get_country(country, from_year, to_year, limit)
One country's dated record, century by century, harvested from the per-country year articles English Wikipedia writes separately ('1969 in Japan') and never indexes together. Use this when the question is about a nation rather than a year or a subject.
Input Schema
{
"type": "object",
"properties": {
"country": {
"type": "string",
"description": "country name or slug, e.g. 'Japan', 'south-africa'"
},
"from_year": {
"type": "integer",
"description": "earliest year; astronomical numbering"
},
"to_year": {
"type": "integer",
"description": "latest year"
},
"limit": {
"type": "integer",
"description": "default 200, max 2000"
}
},
"required": [
"country"
]
}🟢list_countries(limit)
Browse the countries that have a record of their own, largest first.
Input Schema
{
"type": "object",
"properties": {
"limit": {
"type": "integer",
"description": "default 100, max 500"
}
}
}🟢list_subjects(starts_with, limit)
Browse the subjects that have a timeline, largest record first.
Input Schema
{
"type": "object",
"properties": {
"starts_with": {
"type": "string"
},
"limit": {
"type": "integer",
"description": "default 50, max 500"
}
}
}Community
Evidence