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  "Issues": [
    {
      "Title": "bug(faostat-mirror): synchronous cube reads stall every request, /healthz included, for their full duration",
      "Excerpt": "### Server version\n\n0.2.2\n\n### mcp-ts-core version\n\n0.11.0\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.3.x\n\n### Transport\n\nHTTP (Streamable HTTP)\n\n### Description\n\nEvery cube read in `FaostatMirror` (`queryObservations`, `streamObservations`, `rankAreaTotals`, `sumByYear`, `domainDimensionCodes`) is a synchronous `bun:sqlite` / `better-sqlite3` call on the process's only JS thread. While one runs, `/healthz` and every other request wait for it. Ordinary tool calls still read 10⁴–10⁶ scattered…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/3",
      "PublishedAt": "2026-06-29T09:41:48.000Z",
      "State": "closed",
      "Comments": 5,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(resolve_codes): under Node, a domain-scoped query match returns codes outside the domain",
      "Excerpt": "### Server version\n\n0.2.4\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nNode.js\n\n### Runtime version\n\nNode 26.5.0 (better-sqlite3, SQLite 3.53.4)\n\n### Transport\n\nstdio\n\n### Description\n\n`DimensionsStore.resolve` (`src/services/faostat-mirror/dimensions-store.ts`) scopes a `query` match to a domain with `<fts> MATCH ? AND rowid IN (<domain codes>)`. When the domain has a single code for the dimension, SQLite rewrites the IN list to `rowid = ?`. FTS5 claims that constraint and applies it through…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/36",
      "PublishedAt": "2026-09-30T11:22:19.000Z",
      "State": "closed",
      "Comments": 2,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(commodity_profile): an unselected QCL is reported as a retryable index_not_ready",
      "Excerpt": "### Server version\n\n0.2.4\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.2\n\n### Transport\n\nstdio\n\n### Description\n\nWhen QCL is not in `FAOSTAT_DOMAINS`, `faostat_commodity_profile` throws `index_not_ready`, the same reason it uses for a QCL mirror that hasn't finished its initial sync. That reason is declared `retryable` with the recovery \"Wait for the initial sync to finish, or run the mirror init script, then retry shortly.\" A caller told to wait and retry…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/37",
      "PublishedAt": "2026-09-30T16:56:05.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(query_observations, commodity_profile): an unknown or expired canvas_id degrades to \"staging failed\" instead of canvas_not_found",
      "Excerpt": "### Server version\n\n0.2.4\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nNode.js\n\n### Runtime version\n\nNode 26.5.0\n\n### Transport\n\nstdio\n\n### Description\n\nWhen a caller passes `canvas_id` to `faostat_query_observations` or `faostat_commodity_profile`, `stageObservations` (`src/services/canvas-staging.ts`) acquires that canvas inside the same `try` whose `catch` turns any failure into a degraded, unstaged result. A well-formed id that is unknown or has expired makes the framework throw…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/35",
      "PublishedAt": "2026-09-30T10:24:12.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(faostat-mirror): multi-item observation reads walk the whole element slice instead of the item index",
      "Excerpt": "### Server version\n\n0.2.4\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.2 (SQLite 3.54.0)\n\n### Transport\n\nstdio\n\n### Description\n\n`streamObservations` and `queryObservations` (`src/services/faostat-mirror/faostat-mirror.ts`) end in `ORDER BY year`. With several item codes plus an element filter, SQLite satisfies that ordering from `obs_<D>_element_code_year_idx`, then walks every row of the element slice and tests `item_code` per row. On QCL element 5510 that…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/33",
      "PublishedAt": "2026-09-30T10:22:05.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(commodity_profile): staged query_params record yearStart/yearEnd instead of the input names",
      "Excerpt": "### Server version\n\n0.2.4\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\nstdio\n\n### OS\n\nmacOS\n\n### Description\n\n`faostat_commodity_profile` records the staged table's provenance under internal filter names: its `query_params` read `{ item_query, item_codes, yearStart, yearEnd }` because the handler spreads its camelCase `yearRange` filter object into them. `faostat_query_observations` records the input names (`year_start`, `year_end`), and…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/32",
      "PublishedAt": "2026-09-30T09:34:50.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(commodity_profile): a failed canvas staging tells the caller to enable a canvas that is already on",
      "Excerpt": "### Server version\n\n0.2.4\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\nstdio\n\n### OS\n\nmacOS\n\n### Description\n\nRelated: #1, #20\n\nWhen the canvas is enabled but staging the merged set fails (`stageObservations` returns `undefined`, e.g. on a canvas capacity or DuckDB error), `faostat_commodity_profile` leaves `canvas_id` unset and `format()` falls through to its canvas-disabled branch (`commodity-profile.tool.ts`, the last `else` of the…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/31",
      "PublishedAt": "2026-09-30T09:34:48.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(canvas-staging): staged value column is typed from the preview rows, truncating later fractional values",
      "Excerpt": "### Server version\n\n0.2.4\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\nstdio\n\n### OS\n\nmacOS\n\n### Description\n\nRelated: #15\n\n`stageObservations()` (`src/services/canvas-staging.ts`) registers observation rows without a `schema`, so column types come from the framework sniffer over the preview window (the rows inlined before the spill, up to 100,000 characters). Only `value` depends on that window: all whole numbers types it `BIGINT`, all null…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/30",
      "PublishedAt": "2026-09-30T09:10:50.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(faostat-mirror): a single-area observation page reads and sorts every row of the area",
      "Excerpt": "### Server version\n\n0.2.4\n\n### mcp-ts-core version\n\n0.13.6\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.2 (SQLite 3.54.0)\n\n### Transport\n\nstdio\n\n### Description\n\n`faostat_query_observations` with a single `area_codes` entry and no item filter seeks `obs_<D>_area_code_idx`, then sorts every row of that area for `ORDER BY year` before the page returns. TCL area 231 has 101,823 rows scattered through a 4 GB file, so a 201-row page means 101,823 random table reads.\n\n### Steps to reproduce\n\nCall…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/34",
      "PublishedAt": "2026-09-30T10:22:22.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(faostat-mirror): bulk-host fetches map every non-2xx to ServiceUnavailable, so a manifest 4xx is retried as an outage",
      "Excerpt": "### Server version\n\n0.2.3\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\nstdio\n\n### OS\n\nmacOS\n\n### Description\n\n`fetchManifest` (`src/services/faostat-mirror/manifest.ts:57`) and the per-domain ZIP download (`ingester.ts:216`) throw `serviceUnavailable(...)` for any `!response.ok`, so every status reads as an outage. The manifest fetch runs inside `withRetry` (`baseDelayMs: 1500`, 3 retries), so a permanent 4xx is retried through the full…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/28",
      "PublishedAt": "2026-09-19T17:03:48.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(query_observations, commodity_profile): Markdown table rows interpolate values without escaping",
      "Excerpt": "### Server version\n\n0.2.3\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\nstdio\n\n### OS\n\nmacOS\n\n### Description\n\nRelated: #26\n\nTwo `format()` functions build Markdown table rows by interpolating mirror values with no escaping: `faostat_query_observations` (`query-observations.tool.ts:373`: area, item, element, unit, flag) and the production-trend table of `faostat_commodity_profile` (`commodity-profile.tool.ts:458`: unit, flags). A `|` splits…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/27",
      "PublishedAt": "2026-09-19T17:03:41.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(faostat_dataframe_query): Markdown table cells escape pipes but not backslashes",
      "Excerpt": "### Server version\n\n0.2.3\n\n### mcp-ts-core version\n\n0.12.3\n\n### Runtime\n\nBun\n\n### Transport\n\nAny\n\n### Description\n\nThe `faostat_dataframe_query` table formatter (`dataframe-query.tool.ts`, string and serialized-object cells) escapes `|` as `\\|` but leaves existing backslashes untouched. When the table renders, a backslash before ASCII punctuation is consumed as an escape, so the `content[]` text loses characters: `x\\|y` renders as `x|y` and `a\\*b` as `a*b`. `structuredContent` is unaffected.…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/26",
      "PublishedAt": "2026-09-16T21:59:56.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(query_observations): canvas_id description promises a fresh canvas per call, but omitting it reuses the session canvas",
      "Excerpt": "### Server version\n\n0.2.3\n\n### mcp-ts-core version\n\n0.12.3\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nstdio\n\n### Description\n\n`faostat_query_observations`'s `canvas_id` field is described as: *\"Canvas ID from a prior call to stage onto. Omit to start a fresh canvas (a new id is returned).\"*\n\nThe second sentence is only true for the first spill of a session. After that, omitting `canvas_id` reuses the stored session canvas — every subsequent staged table lands on the same…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/25",
      "PublishedAt": "2026-08-25T05:38:59.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "bug(faostat-mirror): ANALYZE runs on the serving thread — a cold domain's first data read stalls every request",
      "Excerpt": "### Server version\n\n0.2.3\n\n### mcp-ts-core version\n\n0.12.3\n\n### Runtime\n\nBun\n\n### Runtime version\n\nBun 1.4.0\n\n### Transport\n\nstdio\n\n### Description\n\n`ANALYZE` still runs on the serving thread. #22 took it off the discovery path, but the first data read of a domain with no `sqlite_stat1` (`openAnalyzedDomain()` → `ensureQueryStatistics()`) still blocks every request for the full pass, which on TCL takes minutes. `runDomainSync()` → `refreshQueryStatistics()` also runs it in-process when a…",
      "SourceUrl": "https://github.com/cyanheads/faostat-mcp-server/issues/24",
      "PublishedAt": "2026-08-25T05:38:45.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
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