Research & Knowledge MCP servers

Search DataCite datasets and software, fetch DOI metadata, trace relations, format citations.

Search 1,094 math-physics preprints (JA/EN, CC BY 4.0); prompts for separators and pi-factor roots.

Receipts-verified reviews of x402 services and paid APIs, before your agent pays.

Search curated open-weight AI model releases, licenses, architectures, and primary sources.

Read Alkemata articles and maps; submit reviewed proposals; create map content with authorization.

百度贴吧搜索建议、帖子与用户搜索、帖子详情、评论与楼中楼回复、用户资料与发帖、关注贴吧、贴吧详情与帖子列表。

Search AI tools, browse categories and read tool details with source links. Free, read-only access.

Public catalogue, semantic search and source texts of Hans Urs von Balthasar and Adrienne von Speyr.

Look up public memorials (obituaries, service times, resting places) and grief guides on Loved Hall.

Verify claims, citations & agent actions. Free receipt trial; paid prices via live R/IV quotes.

Read-only search of mikereams.com: CSDM diagrams, posts and the Architect's Toolbox

Search factual investing-book metadata and browse BrinkerAdvisor reading paths.

Source-backed UAE costs: groceries, schools, housing, transport, utilities, telecom and relocation

Research intensity for 118 elements and topics, ~10M papers. Free element scores; x402 pay-per-call.

Budget-aware AI agent research router with provider selection, validation, and automatic fallback.

Free: ed25519 hash timestamps, randomness tests, lottery data. Open falsification challenge.

Score innovation, benchmarks sectoriels et barometre cle-personne, en lecture seule.

Five trust services for agents: claim checks, citation audits, extraction, tripwires, work audits.

Retired. Use com.stratalize/stratalize.

App Store opportunity data for coding agents: unmet demand, paying markets, build briefs.

Research articles and live crypto prices for AI agents via x402 on Base.

Read public pairwise-preference rankings and their statistical quality evidence. No API key.

African intelligence infrastructure for AI apps, developers, and data products via MCP.

Search 690k open jobs from official ATS feeds, and what changed since your last check.

원불교 교서 15책 4,969절 원문을 좌표·출처와 함께 찾아 읽는다. 성가 201곡, 원불교대사전 4,523항목, 개념 관계망 포함. 정본은 hub.won.or.kr.

Audited indie product business cases with source-backed pricing, revenue and pricing benchmarks.

Search art research, estimate commissions, and prepare company intelligence purchases via x402.

Fact-check citations: resolve, match, support claims. Arithmetic rechecked. Free to start.