MCP Server Directory

Persistent memory graph for coding agents: hypotheses, evidence, and decisions survive sessions.

Kerne Honesty Index io.github.kerne-protocol/honesty-index

Advertised versus realized yield for stablecoin vaults, signed hourly, reproducible from chain.

Receita Federal: SIMEI (Declaração Anual) io.github.mcp-dir/receita_federal_simei_dasn-mcp

Receita Federal: SIMEI (Declaração Anual), official-source lookup. Platform-hosted, pay per query wi

MCP server for Bags on Solana: token analytics, trade quotes, and gated write operations.

Helvetic Research io.github.KushPatil22/helvetic-research

Research-only MCP server: your AI as a quant research desk. 90 tools, no trades, no brokers.

Receita Federal: NFE io.github.mcp-dir/receita_federal_nfe-mcp

Receita Federal: NFE, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Turn TikTok, Instagram, X and Facebook URLs into video download links and metadata.

Mandados de Prisão (CNJ) io.github.mcp-dir/mandados_prisao-mcp

Checks for open arrest warrants in the CNJ national database for a person, from the CPF and name. Pl

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

List, create, update, and delete events in Apple Calendar on macOS.

Polymarket smart-money analytics: whale leaderboard, wallet P&L, market consensus, live alerts

Read-only Postgres ops/DBA diagnostics: slow queries, EXPLAIN, locks, index and table health.

JUCESP: Ficha Cadastral Simplificada io.github.mcp-dir/jucesp_ficha-mcp

Simplified company registration sheet at JUCESP (by CNPJ, NIRE or name). Platform-hosted, no credent

Free-first Clervo tools and bounded opt-in commerce through one local wallet.

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

Correios: Entrega Diferenciada io.github.mcp-dir/correios_restricoes_entrega-mcp

Correios: Entrega Diferenciada, official-source lookup. Platform-hosted, pay per query with prepaid

ApexVol Options Analytics io.github.ryansilk/apexvol-mcp

Options analytics for AI assistants: chains, IV rank, VRP, Greeks, GEX, expected moves, screeners.

Execute delegatecall-vulnerability-mcp io.github.Evozim/delegatecall-vulnerability-mcp

Premium agentic endpoint for delegatecall-vulnerability-mcp.

Find when a public company reports: fiscal year end, cadence, next date and the outreach window.

twothumbs io.github.asselwan/twothumbs

Verifies AI agent work end to end: real artifacts and outcomes checked, not self-reported success.

Audited tarot, I Ching, Xiao Liu Ren, Bazi (Four Pillars). Model never invents results.

Electrik Slate io.github.neerajsohal/slate

Read-only MCP for Electrik Slate: Blade component docs, blocks gallery, source, and llms.txt.

Search OpenSearch indices, manage documents, check health and stats.

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

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