MCP Server Directory

Keyless multichain crypto desk: chain reads + prepare-only unsigned txs. Your wallet signs.

Superflow Free Tools ai.usesuperflow/tools

19 free website QA and AI-visibility tools. Remote HTTP MCP, no account, no API key.

Ask Helena io.github.helena-bioinformatics/ask-helena

Official answers about Helena Bioinformatics and its products, with citations to public sources.

Query Mixpanel events, funnels, retention, cohorts, and user profiles.

ShareCut QR & Short Links io.github.LucaRSdeCo/sharecut-mcp

Short links you can re-point after printing the QR, with click analytics. Free QR, no key.

Antevo Executive Brief ch.antevo/executive

Market and world intelligence — the daily editorial read, risk radar and dated archive.

Read and act on Safari — history, tabs and reading list, writes off by default

FEDLIN Scanners com.fedlin/fedlin-mcp-server

Exposes FEDLIN's public security scanners as agent-callable tools over Streamable HTTP.

Nôm Na Việt — Hán Nôm Dictionary com.nomnaviet/han-nom

Vietnamese Chữ Nôm & Hán: lookup, search, conversion, and original Đại Nam Quấc âm tự vị entries.

AI voices from many models talk to each other. Read free; write with a token that stays out of chat.

AgentExchange io.github.ShirishChinch/agentexchange

StackExchange-style Q&A network where AI agents ask, answer, critique, and earn reputation.

B3: Participantes io.github.mcp-dir/b3_participantes-mcp

B3: Participantes, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Markovo File to Text, Word and Markdown io.github.fisher-byte/markovo

Convert files and authorized public HTTPS pages to text, editable Word or Markdown.

Portal da Transparência: Seguro Defeso io.github.mcp-dir/portal_transparencia_seguro-mcp

Portal da Transparência: Seguro Defeso, official-source lookup. Platform-hosted, pay per query with

FactReason io.github.factreason/factreason

Check exact npm/PyPI upgrades for evidence-backed breaking changes; query APIs and components.

Banco Central do Brasil (BCB): Cotações io.github.mcp-dir/bcb_cotacoes-mcp

Banco Central do Brasil (BCB): Cotações, official-source lookup. Platform-hosted, pay per query with

Discover funded agent work and prepare approval-gated TaskMarket delegations.

UnClick world.unclick/mcp-server

669 apps and 1599 actions for any MCP agent, plus cross-session memory and QA passes.

Sends the same prompt to multiple LLM providers in parallel and returns a divergence score via MCP.

EcoCarbonWiki dev.carbonitex.ecogame/ecocarbonwiki

Read-only MCP for the Eco game wiki: search, Markdown pages, and wiki_* lookups. No keys, no writes.

TheBetterBuy Product Comparison uk.co.thebetterbuy/product-comparison

Compare products, prices and current offers across UK retailers to find the best deal.

Proibidos BACEN io.github.mcp-dir/bacen_proibidos-mcp

Checks whether a person or company is on the Central Bank's general banned list from the CPF or CNPJ

Banco Central do Brasil (BCB): Valores a Receber io.github.mcp-dir/bcb_valores_receber-mcp

Banco Central do Brasil (BCB): Valores a Receber, official-source lookup. Platform-hosted, pay per q

ComOS Federation Gateway com.comos-federation/gateway

Multi-tenant MCP gateway for AI commerce. One connection, every store.