{
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  "Slug": "cdc-health-mcp-server",
  "Name": "cdc-health-mcp-server",
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  "IssueTotal": 18,
  "Held": 18,
  "Issues": [
    {
      "Title": "bug(cdc_query_wonder): relational input errors bypass consistent recovery",
      "Excerpt": "### Server version\n\n0.9.1\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### OS\n\nmacOS 26.1\n\n### Description\n\nThree errors that can be caught from the input alone slip past `cdc_query_wonder`'s declared `invalid_query` contract:\n\n- A reversed `year_range` fails a Zod `.refine()` during argument parsing, returning `invalid_arguments` (-32602) instead of `invalid_query` with its recovery.\n- A repeated `group_by` dimension…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/41",
      "PublishedAt": "2026-08-11T15:19:18.000Z",
      "State": "closed",
      "Comments": 3,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_query_wonder): caveat and message links lose their destinations",
      "Excerpt": "### Server version\n\n0.9.1\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### OS\n\nmacOS 27.0\n\n### Description\n\nCDC WONDER caveats and messages end in a \"More information.\" link to the methodology behind them. `cleanText()` in `xml-parser.ts` strips every tag before decoding, so the anchor text survives and the `href` is gone from both `structuredContent` and `content[]`. On a D158 response, 7 of 8 caveats and the \"Totals…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/40",
      "PublishedAt": "2026-08-11T15:18:42.000Z",
      "State": "closed",
      "Comments": 3,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "feat(cdc_get_dataset_schema): make wide schemas selectively retrievable",
      "Excerpt": "## Use case\n\nA caller needs the schema to construct a SoQL query, but some CDC datasets expose hundreds of columns. `cdc_get_dataset_schema` and `cdc://datasets/{datasetId}` currently return every column and description in one response, with no selector or continuation path.\n\nFor `ua7e-t2fy` (Weekly Hospital Respiratory Data), the live schema holds 322 columns. Replaying the tool's own transform against that live payload measures ≈104,214 bytes of `structuredContent` and ≈92,650 bytes of…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/38",
      "PublishedAt": "2026-08-11T15:18:02.000Z",
      "State": "closed",
      "Comments": 3,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_query_dataset): an offset past the end reads as a filter or spelling problem",
      "Excerpt": "### Server version\n\n0.9.0\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### Description\n\nAn empty page at `offset > 0` gets the same notice as a query that matched nothing: check spelling, check filter types, broaden the WHERE clause. `format()` renders the same suggestions into `content[]`. A caller who paged past the end of a real result set is sent after a filter problem that does not exist. The SODA data endpoint…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/54",
      "PublishedAt": "2026-09-20T23:46:32.000Z",
      "State": "closed",
      "Comments": 2,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "feat(cdc_query_wonder): age_groups cannot select the Not Stated group WONDER returns",
      "Excerpt": "`age_groups` on `cdc_query_wonder` exposes the eleven ten-year groups (`1` … `85+`) but omits `NS` (Not Stated), the twelfth value the ten-year-age variable accepts. Deaths whose age was not recorded therefore cannot be included in a filtered query, and there is no way to ask for them on their own.\n\nThe value is present on every mortality database the tool reaches — the `.V5` option list is identical across all five:\n\n```\n*All*, 1, 1-4, 5-14, 15-24, 25-34, 35-44, 45-54, 55-64, 65-74, 75-84,…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/35",
      "PublishedAt": "2026-08-09T14:39:51.000Z",
      "State": "closed",
      "Comments": 2,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_get_dataset_schema): unescaped column descriptions break the formatted table",
      "Excerpt": "### Server version\n\n0.8.0\n\n### mcp-ts-core version\n\n0.10.14\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.3.14\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### OS\n\nmacOS 26.1\n\n### Description\n\nThe `format()` in `src/mcp-server/tools/definitions/get-dataset-schema.tool.ts` interpolates `col.description` straight into a markdown table cell. Socrata column descriptions carry raw newlines and can carry pipes, so a single such column terminates its table row and everything after it renders as loose text.…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/24",
      "PublishedAt": "2026-08-09T11:02:10.000Z",
      "State": "closed",
      "Comments": 2,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_query_dataset): the 200,000-char budget bounds rows once, but the response serializes them twice",
      "Excerpt": "### Server version\n\n0.9.0\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### Description\n\n`MAX_ROW_CHARS = 200_000` is charged `JSON.stringify(row)` once, but every row reaches the caller twice: as JSON in `structuredContent` and as a line of the markdown table in `content[]`. The delivered response is roughly 1.5× the documented budget. Truncation disclosure (`truncated`/`shown`/`cap`/`nextOffset`) is correct; the…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/53",
      "PublishedAt": "2026-09-20T23:46:24.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_discover_datasets): HTML markup consumes the truncated description budget",
      "Excerpt": "### Server version\n\n0.8.7\n\n### mcp-ts-core version\n\n0.13.2\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### OS\n\nmacOS 27.0\n\n### Description\n\nCatalog descriptions arrive as raw HTML and reach both output surfaces untouched. Discovery truncates to 300 characters before the markup is removed, so on a description that opens with a styled block the whole budget goes to tags and inline CSS and the ellipsis lands before the first word about the dataset.…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/51",
      "PublishedAt": "2026-09-20T21:17:30.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(format): literal HTML and Markdown in query values render as markup",
      "Excerpt": "### Server version\n\n0.9.2\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nNode.js\n\n### Runtime version\n\n26.5.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### Description\n\n`escapeTableCell` escapes pipes and collapses newlines, but leaves HTML and Markdown syntax active. Literal values survive in `structuredContent` while the rendered surface changes their meaning.\n\nRelated: #24\n\n### Steps to reproduce\n\nCall `cdc_query_dataset` with:\n```json\n{\"datasetId\":\"bi63-dtpu\",\"select\":\"'<b>literal</b>…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/61",
      "PublishedAt": "2026-09-30T08:01:17.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(inputs): empty query filters silently become unrestricted requests",
      "Excerpt": "### Server version\n\n0.9.2\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nNode.js\n\n### Runtime version\n\n26.5.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### Description\n\nExplicit empty query clauses and age lists are accepted, discarded, and returned as successful unrestricted requests. Omission and a supplied empty filter should not silently mean the same thing.\n\n### Steps to reproduce\n\n```json\n{\"name\":\"cdc_query_dataset\",\"arguments\":{\"datasetId\":\"bi63-dtpu\",\"where\":\"\",\"select\":\"\",\"limit\":1}}…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/60",
      "PublishedAt": "2026-09-30T08:01:10.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_list_catalog_vocabulary): later pages misstate omitted-tag ceiling",
      "Excerpt": "### Server version\n\n0.9.2\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nNode.js\n\n### Runtime version\n\n26.5.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### Description\n\n`truncationCeiling` claims to bound every tag not returned, but later pages omit earlier, higher-count tags too.\n\nRelated: #50\n\n### Steps to reproduce\n\n1. Call `cdc_list_catalog_vocabulary` with `{\"tag_limit\":1}`.\n2. Call again with `{\"tag_limit\":1,\"tag_offset\":50}`.\n\n### Actual behavior\n\nThe first page contains `nndss` with 294…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/59",
      "PublishedAt": "2026-09-30T08:01:00.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_query_wonder): exhausted pages falsely say no rows matched",
      "Excerpt": "### Server version\n\n0.9.2\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nNode.js\n\n### Runtime version\n\n26.5.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### Description\n\nAn exhausted page has correct structured guidance but contradictory `content[]`: the main block says no rows matched and recommends broader filters.\n\nRelated: #54\n\n### Steps to reproduce\n\nCall `cdc_query_wonder` with:\n```json\n{\"year_range\":{\"from\":2020,\"to\":2020},\"offset\":1}\n```\n\n### Actual behavior\n\n`rowCount: 0`, `totalCount:…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/58",
      "PublishedAt": "2026-09-30T08:00:48.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_query_wonder): advertised Not Stated age combinations fail",
      "Excerpt": "### Server version\n\n0.9.2\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nNode.js\n\n### Runtime version\n\n26.5.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### Description\n\nThe `age_groups` input promises a union of listed ages without declaring that `NS` cannot join a partial known-age selection. [CDC documents](https://wonder.cdc.gov/wonder/help/ucd.html#Not%20Stated) this restriction; the tool accepts the combination and spends a request that fails.\n\nRelated: #35\n\n### Steps to reproduce\n\nCall…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/57",
      "PublishedAt": "2026-09-30T08:00:40.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "feat(cdc_query_wonder): bound the response the way cdc_query_dataset does",
      "Excerpt": "### Use case\n\n`limit` on `cdc_query_wonder` has no default, so the whole parsed table comes back. A four-dimension grouping on the default database returns 2,014 rows in one ~480 KB response, enough to swamp a caller's context. The description advises setting `limit`, but nothing enforces it.\n\nRelated: #39\n\n| `group_by` (D76, all years, no `limit`) | rows | `structuredContent` | `content[]` | wire |\n|:--|--:|--:|--:|--:|\n| `[\"year\",\"age_group\",\"sex\",\"race\"]` | 2,014 | 295,952 chars | 181,694…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/49",
      "PublishedAt": "2026-09-20T21:17:15.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "feat(cdc_query_wonder): accept multiple ICD-10 codes in cause_icd10 and mcd_icd10",
      "Excerpt": "### Use case\n\nStandard cause-of-death definitions are sets of ICD-10 codes. CDC defines drug overdose as X40–X44, X60–X64, X85 and Y10–Y14, the wording WONDER's own caveats use on a 2018–2024 result. `cause_icd10` and `mcd_icd10` take one value, and WONDER accepts only nodes of its ICD-10 tree: a chapter (`V01-Y89`), a block (`X40-X49`), or a code (`X40`). An arbitrary span like `X40-X44` is rejected (`Invalid 'ICD-10 Codes' codes were found: 'X40-X44'`), so the overdose definition cannot be…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/48",
      "PublishedAt": "2026-09-20T21:17:07.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_query_wonder): concurrent calls race the request-spacing gate and one is rate-limited",
      "Excerpt": "### Server version\n\n0.9.1\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### OS\n\nmacOS 27.0\n\n### Description\n\n`WonderService.throttle()` computes its wait from `lastRequestTime`, and `query()` only stamps that value in its `finally`, after the response. Calls that enter together read the same stamp. On a cold service they all send immediately. On a warm one they all wait the same amount and then send in the same…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/47",
      "PublishedAt": "2026-09-20T21:16:56.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_get_dataset_schema): rowCount is a stale cached figure, not the dataset's row count",
      "Excerpt": "### Server version\n\n0.8.7\n\n### mcp-ts-core version\n\n0.13.2\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### OS\n\nmacOS 27.0\n\n### Description\n\n`rowCount` is read from `cachedContents.count` on the first column of the metadata response. Socrata builds that cache once and does not refresh it as rows land, so on actively-updated datasets it understates the real count badly. The field is advertised as \"Total number of rows when reported by upstream\" with…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/46",
      "PublishedAt": "2026-09-20T21:16:48.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(cdc_query_dataset): chart and map assets return empty rows as a paginated success",
      "Excerpt": "### Server version\n\n0.8.7\n\n### mcp-ts-core version\n\n0.13.2\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### OS\n\nmacOS 27.0\n\n### Description\n\n`cdc_query_dataset` treats a chart or map catalog ID as a queryable dataset. Socrata answers `/resource/{id}.json` for those assets with HTTP 200 and a body of empty objects, so the handler reports a successful page of rows carrying no fields, plus an invitation to keep paging.\n\nThe row shape alone can't…",
      "SourceUrl": "https://github.com/cyanheads/cdc-health-mcp-server/issues/45",
      "PublishedAt": "2026-09-20T21:16:40.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    }
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