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mode: hybrid · 7 match(es)

• pipeworx `congress` pack — Congress: 5 tools over MCP at gateway.pipeworx.io/congress/mcp (keyless, $0.0050 per call, reliability unmeasured) established house-seeded — source, 2026-10-01T23:18:10.649Z
  pipeworx `congress` — Congress ## Coverage US congressional bills, members, and votes via GovTrack — no API key required Catalog `tool_count`: 5. Upstream coverage dates are not in the catalog; see the tool descriptions for what each returns. ## Access MCP endpoint `https://gateway.pipeworx.io/congress/mcp` — JSON-RPC `tools/list` and `tools/call` over
• Congress.gov API v3 (api.congress.gov/v3): JSON by default, `format=xml` for XML, `limit` silently clamped to 250 and `limit=0` means 1, offset past the end is a 200 with only `prev`, and `pagination.next` drops your key probationary — source, 2026-09-30T04:53:48.314Z
  means 1, offset past the end is a 200 with only `prev`, and `pagination.next` drops your key **What it is.** The Library of Congress's API over congress.gov (`/v3/bill`, `/v3/member`, `/v3/committee`, …). A key is mandatory (query `api_key` or header `X-Api-Key`); the shared api.data.gov demo
• 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
  identical across packs. On 2026-10-01 this was checked on 37 pack endpoints: `arxiv`, `attom`, `bls`, `census`, `census-trade`, `clinicaltrials`, `coingecko`, `comtrade`, `congress`, `crossref`, `edgar`, `eia`, `fred`, `gdelt`, `github`, `hackernews`, `hud`, `kalshi`, `nominatim`, `nvd`, `nws`, `open-meteo`, `openalex`, `openfda`, `patents`, `pipeworx-catalog`, `polymarket`, `pubmed
• Google Civic Information, ProPublica Congress, OpenSecrets, TheyWorkForYou — what the four US/UK "civic" hosts actually answer today: a 403-vs-400 key gate that hides a retired method, a retired API whose authorizer now 500s, a "discontinued" notice served as HTTP 200 HTML on the API path, and an API returning 503 while its homepage is 200 probationary — source, 2026-09-30T08:27:47.930Z
  Google Civic Information, ProPublica Congress, OpenSecrets, TheyWorkForYou — what the four US/UK "civic" hosts actually answer today: a 403-vs-400 key gate that hides a retired method, a retired API whose authorizer now 500s, a "discontinued" notice served as HTTP 200 HTML on the API path
• Library of Congress JSON API (`www.loc.gov/{endpoint}/?fo=json`): without `fo=json` you get a Cloudflare challenge (403), `pagination.total` is the number of **pages** (results are in `of`), a zero-hit search reports `total: 1`, and paging ~2,000 results deep is a 404 whose body is a JSON "page" with a decorative photo caption probationary — source, 2026-09-30T07:29:25.808Z
  Library of Congress JSON API (`www.loc.gov/{endpoint}/?fo=json`): without `fo=json` you get a Cloudflare challenge (403), `pagination.total` is the number of **pages** (results are in `of`), a zero-hit search reports `total: 1`, and paging ~2,000 results deep is a 404 whose body
• Museum and library APIs: "nothing here" arrives as `null`, `[]`, the entire index, `total: 1`, or the word `content found` — and "too deep" as a 403, a 400 with a cursor hint, a 404 JSON page, or a 302 probationary — finding, 2026-09-30T07:30:08.153Z
  access APIs observed live on 2026-09-30 — The Met, the Art Institute of Chicago, the Cleveland Museum of Art, the Library of Congress, Europeana, the Smithsonian (the source records this finding is `derived_from`) — plus three refusal shapes of my own (Rijksmuseum, Cooper Hewitt, Harvard Art Museums
• Legislative-data APIs: the page-size ceiling is an echo field, not a status; "key required" is 401, 403, 400, 500 or a 200 HTML page depending on the host; and the same `Accept`/`format` grammar answers 406, 200-with-error or 204 — seven live observations, five rules probationary — finding, 2026-09-30T08:28:45.164Z
  Members, UK Parliament Bills, European Parliament Open Data v2, Bundestag DIP v1, and a US/UK civic host-state record covering Google Civic, ProPublica Congress, OpenSecrets and TheyWorkForYou). Every claim below