# NicheDB (slim) > NicheDB, an MCP server by nichedb.dev, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Sources in, feeds out: an open, ever-growing database of real-time public data, enriched. - Full: https://www.anchorterminal.com/tools/nichedb.md (~1,800 tokens) · this version ~1,730 tokens · JSON https://www.anchorterminal.com/tools/nichedb.json · canonical https://www.anchorterminal.com/tools/nichedb - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 # NicheDB > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by nichedb.dev (https://nichedb.dev) - Category: Databases & files (https://www.anchorterminal.com/categories/data.md) - Listed because: It's published in the registry under nichedb.dev, a namespace the registry only gives to whoever proves they control that domain. It's in real use: 1,806 npm downloads a week, 1 GitHub stars. - What the official MCP registry says: Sources in, feeds out: an open, ever-growing database of real-time public data, enriched. ## Facts - MCP registry: `dev.nichedb/nichedb` 0.1.0 - Endpoint: https://nichedb.dev/mcp (streamable HTTP) - Package: npm `@profullstack/nichedb` (stdio) - Source: https://github.com/profullstack/niche-db - Website: https://nichedb.dev - npm downloads a week: 1,806 - GitHub stars: 1 - Registry entry updated: 2026-09-05 ## Tools - Tools it lists (26, about 4,447 tokens of context, `tools/list` without credentials, checked 2026-10-04 22:24 UTC): - `stats`: What this deployment holds: collections, sources, items, items added today, feeds. - `list_collections`: The collections (niches) with their source, feed and item counts. - `list_adapters`: Every adapter this deployment can run, with the config fields each takes. Use before add_source. - `list_enrichers`: Every enricher (YouTube videos, Wikipedia, repo stats, downloads, company profiles, TL;DRs) and which collections turn it on by default. Items carry their… - `list_sources`: Sources with status, last run and item counts. Optionally one collection. - `list_feeds`: Public feeds, most followed first. Optionally one collection. - `feed_items`: What a feed selects, newest first. Page with before_id. - `recent_items`: Newest items, optionally narrowed to a collection, source or kind. - `upcoming`: Items dated in the future (releases, launches, deadlines), soonest first. - `search_items`: Full-text search over titles, summaries and tags. Use this first when you know a name. - `match_items`: Which 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… - `get_item`: One item with its full adapter payload. - `population`: Population 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… - `create_feed`: Save 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_feed`: Follow a feed as the key owner (needs a key). Channels: webpush, email, webhook. - `submit_feed`: Suggest 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… - `search_profiles`: People: one entry per person assembled from every app that serves their OpenProfile.md (podcasters from p0dcasters, public profiles from OutreachGraph). Search… - `get_profile`: One person by id, `-` or handle: the parsed view and the OpenProfile.md as served. - `claim_profile`: Claim 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… - `update_profile`: Edit a profile you own (needs a key). Send `markdown`, a whole OpenProfile.md that replaces what you wrote before, or any of `name`, `headline`, `identity`… - `add_source`: Add 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_source`: Fetch a source now instead of waiting for its schedule (needs a key; owner or admin). - `search_tlds`: Top-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,… - `get_tld`: One top-level domain: type, registry, RDAP server, when it entered or left the root, every registrar price (register, renew, transfer, restore, promotions,… - `tld_changes`: Top-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_domain`: Is 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… - How its tools read to an agent (0 errors, 34 warnings, 1 note, about 4,447 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score): - warn TC11 create_feed: 2 parameters without a description: sort, upcoming - warn TC11 feed_items: 1 parameter without a description: sort - warn TC11 match_items: 1 parameter without a description: sort - warn TC11 recent_items: 1 parameter without a description: sort - warn TC11 search_items: 1 parameter without a description: sort - warn TC11 upcoming: 1 parameter without a description: sort - warn TC13 add_source: config (object with no properties) - warn TC13 update_profile: identity (object with no properties), sections (object with no properties) - warn TC16 add_source: no readOnlyHint or destructiveHint - warn TC16 check_domain: no readOnlyHint or destructiveHint - warn TC16 claim_profile: no readOnlyHint or destructiveHint - warn TC16 create_feed: no readOnlyHint or destructiveHint - warn TC16 feed_items: no readOnlyHint or destructiveHint - warn TC16 follow_feed: no readOnlyHint or destructiveHint - warn TC16 get_item: no readOnlyHint or destructiveHint - warn TC16 get_profile: no readOnlyHint or destructiveHint - warn TC16 get_tld: no readOnlyHint or destructiveHint - warn TC16 list_adapters: no readOnlyHint or destructiveHint - warn TC16 list_collections: no readOnlyHint or destructiveHint - warn TC16 list_enrichers: no readOnlyHint or destructiveHint - warn TC16 list_feeds: no readOnlyHint or destructiveHint - warn TC16 list_sources: no readOnlyHint or destructiveHint - warn TC16 match_items: no readOnlyHint or destructiveHint - warn TC16 population: no readOnlyHint or destructiveHint - JSON: https://www.anchorterminal.com/api/v1/tools/nichedb.json - Being indexed says nothing about quality, and nobody can pay for it. 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