MCP Server Directory

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

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

Read-only IBM MQ diagnostics for AI agents. Cited root cause, never destructive.

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

TaskFuel.ai io.github.taskfuel/taskfuel

Specialist tools for any job — a lead, an image, a song, live data, and more.

76% fewer MCP tokens in our standard benchmark. Same upstream call. Exact recovery.

UnClick world.unclick/mcp-server

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

tarot com.arcanika/tarot

Значения карт Таро и Ленормана, расчёты Матрицы судьбы и Квадрата Пифагора.

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

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.

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

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

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

hvac-btu-heat-klimaanlage io.github.f-tiger/hvac-btu-heat-klimaanlage

getecoback.com: BTU sizing, window seals, heatwave outlook, running costs, dew point (DE/EU).

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

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.

Crank Protocol ing.crank/crank

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

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

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

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

Yeku dev.yeku/yeku

deploy the software your AI builds you

Execute default-probability-model-mcp io.github.Evozim/default-probability-model-mcp

Premium agentic endpoint for default-probability-model-mcp.

Skycloak io.skycloak/skycloak-mcp

Managed Keycloak from any MCP client: clusters, realms, apps, SSO, users, domains, audit events.

mps-preflight io.github.Maha-Strategies/mps-preflight

Claim-level provenance preflight for sanitized nonfiction passages; automated triage only.

Discover mobile app attack surfaces via BeVigil OSINT — hosts, subdomains, URLs, and more.

Verify consequential AI actions before they execute.

opentax io.github.Invaro/opentax

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