MCP Server Directory

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

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

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

Verifiable agent evidence; opt-in Codex guard and reference SOC alert review.

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

deliverability-doctor io.github.Integrity-Os/deliverability-doctor

Check if a domain can be email-spoofed: SPF, DMARC, DKIM, MX graded from public DNS. Authless.

OneDroid Engram ai.onedroid/engram

Versioned agent memory in your own Postgres: portable context, permissioned, audit trail.

Read-only local zoxide diagnostics for MCP clients.

UnClick world.unclick/mcp-server

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

Superflow Free Tools ai.usesuperflow/tools

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

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

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.

budgey com.budgeyapp/budgey

See what's left this period, log spending, and manage your Budgey budget.

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

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

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

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

EcoCarbonWiki dev.carbonitex.ecogame/ecocarbonwiki

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

Invokera Discover com.invokera/discover

Search, inspect and invoke every public tool on Invokera through one MCP connection.

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

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.

Grounds AI agents in Overture Maps open data — compact answers, no API key.

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

Hash Digest Tool com.apished/hash-digest-tool

Computes MD5, SHA1, SHA256, SHA512, and CRC32 digests from text, base64, or hex input.

Final release; the checks moved to 9lives (9l mcp). Local QA MCP: scan, inspect, repro, run tests.

Epa Regulations io.github.pipeworx-io/epa-regulations

EPA Regulations MCP — US Environmental Protection Agency regulations (40 CFR).