NicheDB
Sources in, feeds out: an open, ever-growing database of real-time public data, enriched.
Connect it
Settings → Connectors → Add custom connector
URL: https://nichedb.dev/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://nichedb.dev/mcp{
"mcpServers": {
"nichedb": {
"url": "https://nichedb.dev/mcp"
}
}
}claude mcp add --transport http nichedb https://nichedb.dev/mcp{
"servers": {
"nichedb": {
"type": "http",
"url": "https://nichedb.dev/mcp"
}
}
}{
"mcpServers": {
"nichedb": {
"command": "npx",
"args": [
"-y",
"@profullstack/nichedb@0.1.0"
]
}
}
}claude mcp add nichedb -- npx -y @profullstack/nichedb@0.1.027 tools, verified live
statsWhat this deployment holds: collections, sources, items, items added today, feeds.
list_collectionsThe collections (niches) with their source, feed and item counts.
list_adaptersEvery adapter this deployment can run, with the config fields each takes. Use before add_source.
list_enrichersEvery enricher (YouTube videos, Wikipedia, repo stats, downloads, company profiles, TL;DRs) and which collections turn it on by default. Items carry their results under `enrichment`.
list_sourcesSources with status, last run and item counts. Optionally one collection.
list_feedsPublic feeds, most followed first. Optionally one collection.
feed_itemsWhat a feed selects, newest first. Page with before_id.
recent_itemsNewest items, optionally narrowed to a collection, source or kind.
upcomingItems dated in the future (releases, launches, deadlines), soonest first.
search_itemsFull-text search over titles, summaries and tags. Use this first when you know a name.
match_itemsWhich title, channel or fixture is this name? Give a file name, a release name or a playlist entry ("Top.Gun.Maverick.2022.1080p.mkv", "US: ESPN2 HD"); it is cleaned (year, season and episode, quality tags, playlist decorations) and matched by similarity. A matchup ("NFL: Chiefs vs Bills", "Lakers @ Celtics", "Rangers at Celtic 19:45") is answered by the fixture whose two teams those are, kicking
get_itemOne item with its full adapter payload.
populationPopulation and demography, drilled down from the world to the ZIP code. Give a `key` (us, us-ca, us-ca-los-angeles, gb, gb-england-london), a US `zip`, or a place name in `q`; no argument is the world. Answers with the area (population, year, measures: age, income, home value, rent, poverty, education, unemployment, race and Hispanic origin for the US; growth, age structure, births, deaths, fertil
create_feedSave a query as a feed (needs a key). Sources, kinds and tags narrow; q is a text match; upcoming keeps only future-dated items.
follow_feedFollow a feed as the key owner (needs a key). Channels: webpush, email, webhook.
submit_feedSuggest an RSS or Atom feed for the index. No key needed. An admin reviews every suggestion before anything is fetched; approved podcast feeds are handed to rssamplifier, everything else becomes a source here.
search_profilesPeople: one entry per person assembled from every app that serves their OpenProfile.md (podcasters from p0dcasters, public profiles from OutreachGraph). Search by name, headline or anything in the document; newest change first. Each answer carries the page, the openprofile.md URL, accounts, topics, Broadcast shows, the Guest section, and the job title, company and seniority the person published (f
find_profile_by_linkedinThe public profile a LinkedIn profile or company URL belongs to (linkedin.com/in/… or /company/…), or null. LinkedIn only: profiles are never looked up by email.
get_profileOne person by id, `<slug>-<id>` or handle: the parsed view and the OpenProfile.md as served.
claim_profileClaim a profile as the key owner (needs a key). Proven when the key owner’s email is one the profile lists, or when the person’s site or show page links back to the profile’s nichedb page. An admin may claim on behalf of an email.
update_profileEdit a profile you own (needs a key). Send `markdown`, a whole OpenProfile.md that replaces what you wrote before, or any of `name`, `headline`, `emoji`, `pronouns`, `web`, `identity` (key: value, null removes), `sections` (name: body, `none` removes), `handle`, `public`. What you write wins over every source and survives every re-read.
add_sourceAdd a source: an adapter with a config, fetched on a schedule (needs a key; admins and Pro). Call list_adapters first for the fields.
run_sourceFetch a source now instead of waiting for its schedule (needs a key; owner or admin).
search_tldsTop-level domains: every label in IANA's root, with type, registry, RDAP server and each registrar's one-year register/renew/transfer price (Porkbun, Dynadot, Cloudflare, OVHcloud). Sorted by renewal by default, because the first year is a promotion. `best` is the cheapest USD price across registrars; with `registrar` it is that registrar's own price in its currency. Answers carry facet counts. `t
get_tldOne top-level domain: type, registry, RDAP server, when it entered or left the root, every registrar price (register, renew, transfer, restore, promotions, privacy, restrictions) and its change history.
tld_changesTop-level domains added to or removed from IANA's root, newest first, with the IANA list version each happened in. Nobody else publishes this diff.
check_domainIs a domain name registered? Asks each registry over RDAP. Give `name` as a full name (foo.watches), or a bare word with `tlds` (foo + com,dev,io), or several names comma separated. Each answer is registered (with registrar and expiry), not_registered, or unknown. not_registered means the registry holds no registration; the name may still be reserved or premium, so it is not a promise that it is f
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