MCP Server Directory

send21 io.github.send21io/mcp

Crypto pay links and API for people and AI agents. BTC, Lightning, USDC, USDT, EURC, SOL, ETH.

Local-first audio analysis: BPM, musical key, production profile, and CLAP vibe embeddings.

Natal charts cross-verified three ways. Refuses to answer rather than guess.

Portolan: an MCP server that charts codebases - Chart store, Harbor expeditions, Chart Room.

CUDA-Q docs, API reference, and runnable examples for AI agents, pinned to your installed version.

Checkout-local repository context graph over MCP; `npx repovine setup` wires skills, agents, hooks.

SEFAZ BA: IPVA Notificado io.github.mcp-dir/sefaz_ba_ipva_notificado-mcp

SEFAZ BA: IPVA Notificado, official-source lookup. Platform-hosted, pay per query with prepaid credi

ZeroStart Paid Service Tools io.github.oppenheimervonbraun/zerostart-agent

Bounded data, document, web-quality, and operations services purchased with USDC through x402.

GeniusFlow Evidence io.github.Kaydeep0/geniusflow-federation

Re-check pinned sources, package and cite. Live Federation MCP. No account.

Prefeitura SP São Paulo: 2ª Via da Taxa de Elevadores io.github.mcp-dir/pref_sp_sao_paulo_tx_elevador-mcp

Prefeitura SP São Paulo: 2ª Via da Taxa de Elevadores, official-source lookup. Platform-hosted, pay

Execute co2-inference-calculator-mcp io.github.Evozim/co2-inference-calculator-mcp

Premium agentic endpoint for co2-inference-calculator-mcp.

Cognitive memory for AI coding assistants — persistent memory across sessions

Git/CI MCP server with the full protocol surface (tools, resources, prompts, roots, sampling).

Statistics Canada's 8,200+ data tables: CPI, GDP, labour force, housing. No API key.

Inspect local GGUF/safetensors models: quantization, params, VRAM fit — headers only.

Receita Federal: CTe io.github.mcp-dir/receita_federal_cte-mcp

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

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

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

Prefeitura SP Campinas: Certidão Negativa de Débitos io.github.mcp-dir/pref_sp_campinas_cnd-mcp

Prefeitura SP Campinas: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay

Wraps the MasteryTrace CLI as a single generic MCP tool for skill-mastery tracking.

Prefeitura SC Itajaí: Certidão Negativa de Débitos io.github.mcp-dir/pref_sc_itajai_cnd-mcp

Prefeitura SC Itajaí: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay pe

ChainScope io.github.Vohlsyr/chainscope

Multi-chain wallet intelligence: balances, transactions, ENS, OFAC screening across 7 chains.

Receita Federal: IRPF io.github.mcp-dir/receita_federal_irpf-mcp

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

Execute bid-clarification-q-and-a-mcp io.github.Evozim/bid-clarification-q-and-a-mcp

Premium agentic endpoint for bid-clarification-q-and-a-mcp.