MCP Server Directory

Vault-native, accountable memory for Claude Code and MCP clients. Markdown is ground truth.

constants io.github.constants-ai/constants

One workspace of tools for Claude and ChatGPT: connect 600+ apps, generate media, build tools.

Neutral MCP server for AgentEnvelope authority: sovereign verify + vault verify/lookup/mint.

Before Users Do io.github.bhuman-ai/beforeusersdo

Browser-backed QA with evidence and fix-ready reports for coding agents.

MCP server for Firebase — Firestore, Storage, Auth, and Cloud Logging, with schema validation.

MCP server for Chrome DevTools

Auditable memory for coding agents: evidence chains, supersession history, keyless embedded SQLite

Zugabot io.github.Zuga-luga/Zugabot

AI dev tools + image generation, paid per-use with USDC on Base (x402).

Offline persistent memory for AI coding agents — 35 tools, 80% fewer calls, no LLM

Generate and evaluate academic diagrams and plots with independent model connections.

domain-check com.tradeuniquecapital.guild/domain-check

Free SPF, DKIM, DMARC, MX deliverability check with graded shareable reports, plus referral terms

Dados B3 io.github.Val7h/dados-b3

Brazilian stock (B3) fundamentals: ratios, dividends, scores, FIIs, ETFs, BDRs. Open methodology.

Brazilian tools for agents: Pix, CEP, CNPJ, BCB rates + web capture and PDF. Pay per call.

Copy AI-generated content to the macOS clipboard: rich Gmail-ready email drafts, text, and files

scenariosim-mcp io.github.inity13/scenariosim-mcp

Deterministic what-if & scenario simulation for AI agents: projections, sensitivity & break-even.

FullEnrich io.github.FullEnrich/fullenrich

Search B2B contacts, enrich verified emails and phone numbers, and export results.

x402 Micropayments MCP io.github.kwizzlesurp10-ctrl/x402-mcp

Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402.

Sourced market and compliance research for Claude Desktop, Claude Code and Cursor.

MCP server for ScalePad — Core, Lifecycle Manager, ControlMap, Backup Radar, and Quoter.

Banking Regulations io.github.pipeworx-io/banking-regulations

Banking Regulations MCP — US banking & consumer-finance rules (12 CFR).

Live market prices and candles for AI agents (200+ coins). Data only, no trading advice.

FabTally Decode io.github.zvmzaretsky/onchain-decode

Decode EVM bytes to JSON: event-log decoder, calldata explainer, selector lookup, ABI fetch.

Polymarket market data, live CLOB books, replay, simulation, and opt-in trading in Rust.

Self-hosted MCP server for speech: ASR transcription, TTS synthesis, and file staging tools.