MCP Server Directory

XHelio-SPICE

Spacecraft ephemeris made easy — auto-managed SPICE kernels for heliophysics

Real-time SBIR, CSO & BAA opportunities from DSIP, SAM.gov, Grants.gov & more — never miss a window.

Geocoding

Forward and reverse geocoding, place search, and distance via OpenStreetMap Nominatim. No key.

io.github.hydrolix/mcp-hydrolix

An MCP server to query Hydrolix

Cathedral — Persistent Memory for AI Agents

Persistent memory and drift detection for AI agents across session restarts.

Uindow

Real signed-browser automation for AI agents, over a local stdio MCP server.

Document to JSON – PDF Invoice/Statement/Contract Parser

Turn any PDF into structured JSON via AI + OCR: invoices, bank statements, contracts.

Docusign Navigator

Secure Docusign Navigator integration for AI assistants to access and analyze agreement data.

Nigeria Invoices (FIRS / NRS MBS e-invoicing IRN)

Nigeria FIRS/NRS MBS e-invoicing for AI agents - validate, sign, confirm invoices (IRN + QR).

io.github.printplan3d/ritn3d-mcp

Tools for floor plan validation, GLB checks, and 3D-print unit math — Ritn3D companion.

Pipeworx

Live data gateway for AI — 3,300+ tools across 750+ sources, with citations

GTM data layer for AI agents: find scored B2B leads free, reveal verified email+mobile, audit ads.

io.github.freema/mcp-gsheets

MCP server for Google Sheets API — read, write, format, batch operations.

three.ws Autopilot

Set autopilot scopes and a daily SOL spend cap, then propose, execute, and undo agent actions.

three.ws Coin Clash

Play three.ws Coin Clash — read the faction battle board and leaderboard, enlist, and rally.

io.github.mario-andreschak/mcp-abap-abap-adt-api

MCP server wrapping abap-adt-api for ABAP ADT development workflows against SAP systems

MCP server giving AI agents one-connection access to crypto & DeFi data: DeFi protocol TVL, stableco

io.github.matematicsolutions/ca-eli-mcp

MCP server for Canadian federal legislation (Justice Laws Website), verifiable citations.

Norway Payments (Stripe — cards / Klarna)

Norway payments for AI agents — cards / Klarna via Stripe. Never holds funds.

io.github.ryudi84/api-tester

MCP server for API testing: HTTP requests, cURL generation, health checks.

Persistent memory for Claude Code. Search, recall, and re-inject context from any session.

io.github.juliu1980/formlab-mcp

Read-only MCP for FormLab — talk to your local lab notebook via Claude. Data stays local.

io.github.dioniipereyraa/memex

One searchable memory of your Claude.ai chats and Claude Code sessions, served over MCP.

io.github.matematicsolutions/ch-eli-mcp

MCP server for Swiss federal legislation via Fedlex (native ELI), verifiable citations.