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Public read-only MCP for the Y-chromosome haplogroup tree & Y-SNP resolution. 父系单倍群树查询与Y-SNP解析。
Remote server: your requests and data go to www.theytree.com. Claude Code: claude mcp add --transport http theytree https://www.theytree.com/api/v1/agent/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
list_haplogroups — Search or list paternal haplogroups by fuzzy name and/or parent, with stable ordering for full pagination (order=name recommended). 搜索/列出父系单get_haplogroup — Get a single haplogroup by name / hid / SNP. 按名称/hid/SNP 获取单个单倍群详情。get_haplogroup_mutations — List a haplogroup defining (equivalent) mutations (paternal / Y tree only). 获取某单倍群的等价突变（defining SNPs）列表（仅父系 Y 树）。get_haplogroup_lineage — Get the lineage chain from a haplogroup up to ROOT. Use limit to fetch only the most recent N levels (e.g. limit=2 for the node + its parentchildren_haplogroups — Get the direct children of a haplogroup (for level-by-level traversal). Use limit for the N largest subclades only. 获取直接子节点（逐层遍历）；可用 limit 只resolve_snp — Resolve a SNP name to its haplogroup and return equivalent names (merged-name variants supported). 将 SNP 名解析到所属单倍群并返回等价名。resolve_snps — Batch-resolve up to 200 SNP names to their haplogroups (for reading a whole Y-SNP panel). 批量解析多个 SNP 名到所属单倍群（≤200/次）。subtree_haplogroups — Get a haplogroup subtree. Defaults to 6 levels (matches the site); small branches (root endcounts<=600) fully expand; max_depth overrides. Tget_api_info — Get service meta: summary, auth, dataset size (haplogroups / mutation records), and the tool list. 获取本服务元信息：简介、鉴权、数据集规模、工具清单。Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.