Sources in, feeds out: an open, ever-growing database of real-time public data, enriched.
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dev.nichedb/nichedb is an MCP server that sources in, feeds out: an open, ever-growing database of real-time public data, enriched. Its tool list has not been published yet over http and stdio, requires no API key, and scores 85/100 on MCPpedia's security, maintenance and efficiency rubric.
Config is the same across clients - only the file and path differ.
{
"mcpServers": {
"dev-nichedb-nichedb": {
"args": [
"-y",
"@profullstack/nichedb"
],
"command": "npx"
}
}
}Are you the author?
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Sources in, feeds out: an open, ever-growing database of real-time public data, enriched.
This server supports HTTP transport. Be the first to test it - help the community know if it works.
Five weighted categories - click any category to see the underlying evidence.
No known CVEs.
Checked @profullstack/nichedb against OSV.dev.
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Sources in, feeds out. An open platform for databases that only ever grow: game releases, package registries, government filings, and any other public data with a big seed and daily growth. One Postgres, one Redis, and every row reachable by web, RSS, JSON, API, CLI and MCP.
The first deployment is nichedb.dev. Run your own on anything that has Postgres and Redis.
| Thing | What it is |
|---|---|
| collection | A niche: games, packages, filings. |
| source | One adapter pointed at one upstream, fetched on its own cadence. Steam's new-releases list. The npm changes feed. EDGAR Form D filings. |
| item | One row a source produced. Title, URL, when (with time_known and precision), tags, and the adapter's payload in data. |
| feed | A saved query over a collection. Has a page, RSS and JSON Feed renderings, an API endpoint, and followers who are told when it changes by push, email or signed webhook. |
Adapters are one file each in packages/adapters/src. One hundred and sixty-one ship today across forty-six collections:
| Collection | Adapters | Key needed |
|---|---|---|
| games | steam, steam-news, igdb, igdb-catalog (every game IGDB knows, walked by id then kept current from updated_at), wikidata-games, steam-catalog | IGDB only (Twitch client) |
| packages | npm, pypi, crates, go-modules, huggingface, github-releases (runtimes and frameworks, and NIST's own software under usnistgov as github-releases-nist) | no (GitHub token optional) |
| filings | edgar, federal-register | no |
| law | courtlistener (the newest opinions from the Atom feeds: all courts plus each court's own feed in rotation, or one court), courtlistener-oral-arguments (the podcast, with the MP3), courtlistener-api (dockets, judges and financial disclosures, one request a run inside the free tier's 125 a day), courtlistener-catalog (every court, judge with education and party, disclosure with what it reports, oral argument, opinion cluster with its reporter citations as tags, and the FJC database, from the quarterly bulk dumps; dockets opt-in) | COURTLISTENER_TOKEN for the API sources only; the feeds and the dumps are keyless and public domain |
| music | musicbrainz, musicbrainz-catalog, discogs-catalog | no |
| books | openlibrary, gutenberg-catalog, librivox-catalog, openlibrary-catalog | no |
| tabletop | scryfall-sets, scryfall-cards | no |
| space | launch-library | no |
| chess | lichess-broadcasts | no |
| alerts | usgs-earthquakes, gdacs | no |
| weather | nws-alerts, nhc-cyclones, swpc-space-weather, eonet-events | no |
| outages | statuspage (any Statuspage host) | no |
| extensions | firefox-addons, vscode-extensions | no |
| health | openfda-recalls, clinical-trials | no |
| research | arxiv, crossref, openalex (works newest first under a topic or a search; openalex-algorithms seeded), nist-datasets (every dataset on data.nist.gov, by last revision), nist-csrc-drafts (NIST security drafts open for comment, marked closed in place) | no |
| automotive | fueleconomy-catalog, nhtsa-recalls, nhtsa-complaints, nhtsa-safety-ratings | no |
| markets | iso-mic-exchanges, alpaca-corporate-actions, alpaca-news, alpaca-assets, equity-history, nasdaq-halts, ecb-fx-rates, sec-fundamentals | Alpaca (APCA_API_KEY_ID, APCA_API_SECRET_KEY, APCA_FEED iex or sip); SEC wants CONTACT_EMAIL in the user agent |
| crypto | coingecko-assets, crypto-pairs | keyless (COINGECKO_API_KEY optional; CRYPTO_PROXY_URL for Binance.US from a datacenter) |
| blockchain | blockchain-providers: a reviewed directory of free public APIs, with chains, capabilities, endpoints, documentation and access limits; /blockchain and /c/blockchain | no; upstream limits and production suitability are recorded per provider |
| crime | socrata-crime, uk-police-crime, |