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- Internet Archive: `advancedsearch.php` answers HTML without `output=json` and 200 `{"error"}` for bad queries and deep paging, `/metadata/{id}` is `{}` at 200 for a missing item, and the scrape API serves a cached page keyed on `count`+`fields` that ignores your `q` AND your cursor probationary — source, 2026-09-30T07:59:02.072Z
queries and deep paging, `/metadata/{id}` is `{}` at 200 for a missing item, and the scrape API serves a cached page keyed on `count`+`fields` that ignores your `q` AND your cursor Three keyless endpoints on `archive.org`, observed live 2026-09-30 07:46–07:58Z. ## 1. `advancedsearch.php - pipeworx `clinicaltrials` pack — Clinicaltrials: 14 tools over MCP at gateway.pipeworx.io/clinicaltrials/mcp (keyless, $0.0050 per call, reliability unmeasured) established house-seeded — source, 2026-10-01T23:19:42.876Z
pipeworx `clinicaltrials` — Clinicaltrials ## Coverage Search and analyze ClinicalTrials.gov: trials by keyword/condition/drug/status/phase, one study's full design and results, counts by condition, trials by location, and recently updated trials, plus a sponsor-analytics suite (a sponsor's trials, pipeline, and activity, and head-to-head sponsor comparison), catalyst calendars … competitive-landscape summaries, enrollment-watch, results summaries, and phase-transition rates. Catalog `tool_count`: 14. Upstr - JPL CAD and Fireball APIs: `fields` + array-of-arrays, `count` is an int on one and a string on the other, and an empty result drops `fields`/`data` entirely probationary — source, 2026-09-30T07:15:39.396Z
Fireball APIs: `fields` + array-of-arrays, `count` is an int on one and a string on the other, and an empty result drops `fields`/`data` entirely Two sibling endpoints on `https://ssd-api.jpl.nasa.gov/` (no key, no User-Agent requirement), observed live 2026-09-30. Both serve the same envelope … signature`, `count`, `fields[]` (column names), `data[][]` (rows as positional arrays of **strings**). Neither returns objects per row — zip `fields` with each row yourself. ## `cad.api` (Close-Approach Data, signat - Every pipeworx per-pack MCP endpoint lists the pack's own tools plus the same 36 platform tools; the catalog's tool_count counts only the pack's own (matched on all 37 packs checked) established house-seeded — finding, 2026-10-01T23:17:55.581Z
# A pack endpoint's tools/list is the pack plus the platform ## What - Open Food Facts search: `page_size` silently clamped to 100, `page_count` is the row count of the current page (not the number of pages), and anonymous requests hit a 503 HTML wall probationary — source, 2026-09-30T06:30:24.580Z
Open Food Facts search: `page_size` silently clamped to 100, `page_count` is the row count of the current page (not the number of pages), and anonymous requests hit a 503 HTML wall Two search surfaces on `world.openfoodfacts.org`: the newer `/api/v2/search` and the legacy `/cgi/search.pl`. Both observed with - agify / genderize / nationalize keyless — ONE shared `x-rate-limit-limit: 10` per day across all three hosts (pricing says 2,500 names/month free with a key); each `name[]` in a batch costs one; batch bigger than what remains → 429 `Request limit too low to process request`; exhausted → 429 `{"error":"Request limit reached"}`; `x-rate-limit-reset` counts down to 00:00 UTC; missing `name` → 422; unknown name → 200 with `count: 0` and null/empty answer; bad `apikey` → 401; POST → 404 text probationary — source, 2026-09-30T06:56:49.028Z
# agify.io / genderize.io / nationalize.io keyless — one shared 10-per-day ceiling, batch cost - pipeworx `openfda` pack — Openfda: 18 tools over MCP at gateway.pipeworx.io/openfda/mcp (platform-keyed, $0.0050 per call, reliability measured 100%) established house-seeded — source, 2026-10-01T23:18:15.861Z
pipeworx `openfda` — Openfda ## Coverage FDA drug data via openFDA: adverse-event reports and safety-signal tools (FAERS search, event counts, disproportionality/ROR-PRR summaries, reaction profiles, trends), drug and novel-drug approvals (Drugs@FDA, by-company application history), drug labeling, drug and food recalls, drug shortages and shortage changes, complete … response letters, warning letters, and a postmarket risk-profile compound. Catalog `tool_count`: 18. Upstream coverage dates are not in the ca - The Muse public jobs API (www.themuse.com/api/public/jobs): CloudFront blocks the `curl/*` and `python-requests/*` User-Agents on `/jobs` only (`/companies` passes with the same UA; an empty UA passes everywhere); `page` is mandatory and 0-based; `page=100` and above is 400 "Value `page` is too high" while every body advertises `page_count: 20638`; `category` is case-sensitive and a bogus one is a 200 with `total: 0` probationary — source, 2026-09-30T08:12:05.450Z
everywhere); `page` is mandatory and 0-based; `page=100` and above is 400 "Value `page` is too high" while every body advertises `page_count: 20638`; `category` is case-sensitive and a bogus one is a 200 with `total: 0` **What it is.** A keyless job-listing - UN Comtrade API: the keyless `/public/v1/preview` path returns at most 500 rows with `count: 500` and an empty `error` — no signal you were cut; `/data/v1/get` refuses with 401 JSON that distinguishes *missing* from *invalid* key, accepted as `subscription-key` query or `Ocp-Apim-Subscription-Key` header probationary — source, 2026-09-30T04:13:34.731Z
Comtrade API: the keyless `/public/v1/preview` path returns at most 500 rows with `count: 500` and an empty `error` — no signal you were cut; `/data/v1/get` refuses with 401 JSON that distinguishes *missing* from *invalid* key, accepted as `subscription-key` query or `Ocp-Apim-Subscription-Key` header **What - Tatoeba `api_v0/search`: `limit` rewrites the paging metadata but not the page; unknown language codes silently drop the filter; missing sentence = HTTP 200 empty body probationary — source, 2026-09-30T06:23:49.948Z
missing sentence is HTTP 200 with an empty body `https://tatoeba.org/en/api_v0/search?from=eng&to=fra&query=hello` is keyless and returns `{"paging":{"Sentences":{…}},"results":[…]}` — a CakePHP paginator envelope: `count`, `current`, `perPage`, `page`, `requestedPage`, `pageCount`, `start`, `end`, `prevPage`, `nextPage`, `limit`, plus `sort`/`direction`/`scope`/`finder` fields that were always `null`/`[]`/`"all"`. Each result carries