MCP Server Registry

Gating proxy for MCP servers: policy, verification and one audit trail across upstreams.

Self-hosted signing wallet: DIDs, agency grants, and task mandates for AI agents.

EU AI Act sovereignty scanning. Provider residency, registration status, audit trail support.

Space Feeds MCP.

Spaceflight News MCP.

Spacenews MCP — wraps the Spaceflight News API v4 (free, no auth)

SpaceX MCP — wraps SpaceX API v4 (free, no auth)

Spain payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

Spain public procurement MCP — PLACSP tender notices (keyless).

MCP server for SpamTitan email security — quarantine, allow/block lists, and policy management.

MCP server for Spanning Cloud Backup — M365/GWS/Salesforce backups, restores, audit.

AI writes. SPARDA proves. Deterministic, offline security gate for AI edits.

Search and fetch AI agents, skills, prompts and MCP connectors from the Spark marketplace.

Access a versatile collection of tools for media generation, web scraping, and cryptocurrency research. Convert between data formats, summarize long documents, and extract text from images or PDFs with ease. Streamline your workflow by automating tasks like SEO metadata extraction, code reviews, and content creation.

20+ pay-per-use APIs: image gen, crypto data, email verify, SSL check, web scraping, and more.

Founder workflows for idea validation, branding, campaigns, landing pages, analytics, and CRM.

Converts Solidity smart contracts into RESTful API implementations, enabling applications to interact with blockchain contracts without requiring deep blockchain knowledge.

Stripe billing for indie apps: plans, coupons, subscriptions, customers and revenue reporting.

Access Spartan Angular UI component APIs, documentation, and installation commands for 56 components and 17 page-level blocks.

SPDX open-source license list with full text

MCP server runtime exposing hybrid search over documentation via HTTP and stdio transports

Instantly turn OpenAPI Specs into MCP Tools

Python intent tracing MCP: map specs to pytest tests, monitor implementation progress, offline-only.

BSV coding knowledge engine for AI agents — pre-compile traps and post-compile diagnosis.