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.

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

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

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

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

Simulated investment committee: 27 investor lenses read the same filings, debate, and a PM decides.

npm, PyPI & crates.io health, vulns and dependency graphs. Runs locally, no API key.

Hypothesis-driven problem solving for AI agents: probe, falsify, escalate.

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

Deterministic no-LLM MCP server that scrubs secrets before they reach an agent. Never leaks values.

Cognitive memory for AI coding assistants — persistent memory across sessions

Evidence-backed codebase understanding with file:line citations, for AI clients over MCP.

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

Agent Rails io.github.federicocelico/agent-rails

Shopping MCP for AI agents: search, compare, Amazon buy links. Auto-register.

Convert a document once, then get back only the passages that answer a question.

Read Proton Mail and save drafts through your local Proton Mail Bridge.

上海图书馆开放数据检索 MCP：纪年/家谱/建筑/红色事件/99 个 webapi + 搜韵诗词，支持 stdio 与 HTTP。

Read-only Nepali date, calendar, festival, Panchanga, and temporal verification tools.

Classifies prompt injection, jailbreaks, and out-of-scope user input before agents act on it.

Local-first MCP server: read LAS well logs and DLIS files from your own disk.

Read-only Symfony introspection: routes, services, entities, Doctrine, security, Twig and more.

coret.id io.github.Rama-Digital/coret

Create, read, update, illustrate, export, and share live mind maps in coret.id.

CURRENT SEA - Ambiguity Scan io.github.Bowieboii/current-sea

Explainable ambiguity signals for text. Submitted text is processed but never retained.

Run the Grok Build CLI as MCP tools: agent runs with live progress, code review, web research.