MCP Server Directory

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

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

Event bus for AI agents: watch_topic long-polls live events; manage topics, schemas, webhooks.

MCP server for Sparkplug B: node/device discovery, metrics, commands, host state over MQTT.

Freeze a corpus, check it for drift, keep a hash-chained audit ledger. Local-first, stdlib-only.

OneDroid Engram ai.onedroid/engram

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

Execute ddos-scrubbing-proxy-node-mcp io.github.Evozim/ddos-scrubbing-proxy-node-mcp

Premium agentic endpoint for ddos-scrubbing-proxy-node-mcp.

Portal da Transparência: Bolsa Família io.github.mcp-dir/portal_transparencia_bolsa-mcp

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

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

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

Agent context flight recorder: restore after compaction, fan-out packs, signed git-bound receipts.

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

Crank Protocol ing.crank/crank

Non-custodial DeFi tools for AI agents on Solana: swaps, perps, lending, staking, equities.

UnClick world.unclick/mcp-server

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

MintPDF io.github.TrendTweekers/mintpdf

Turn HTML or Markdown into a clean, styled PDF and get a download link.

EcoCarbonWiki dev.carbonitex.ecogame/ecocarbonwiki

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

opentax io.github.Invaro/opentax

Verifiable US tax oracle for AI agents: cited, machine-checkable federal and state tax computation

Verify consequential AI actions before they execute.

Verified Numbers io.github.jfortier93/verified-numbers-mcp

Current source-cited 2026 US tax constants and calculators for AI agents; every answer cites IRS.

Multi-instance read-only MCP server for ServiceNow

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.

Independent, reproducible benchmark harness for agent-memory backends.

Execute cost-optimal-model-selector-mcp io.github.Evozim/cost-optimal-model-selector-mcp

Premium agentic endpoint for cost-optimal-model-selector-mcp.

MTG Bench com.mtgbench/mtgbench

Magic: The Gathering card search, rules, rulings, deck analysis, brackets, and combo detection.

tilwhen date engine com.tilwhen/tilwhen

Deterministic date arithmetic with auditable receipts: business days, due dates, holidays.