MCP Registry

Encode/decode base64 and URL-safe base64. x402 micropayment.

Generate barcodes — EAN-13, UPC-A, Code128, Code39. Returns SVG. x402 micropayment.

Summarize text or URLs into key points with compression ratio and reading time. x402 USDC.

Check wallet eligibility for active crypto airdrops — LayerZero, EigenLayer, Scroll. x402.

Parse, validate and normalize postal addresses. Detect country, verify format. x402.

Search and browse every MCP server in the Model Context Protocol registry.

MCP server to scout beginner-friendly OSS issues with high precision using GitHub GraphQL

Static infrastructure analysis via MCP: databases, AWS services, IaC, and code patterns.

Korean stock market MCP — DART disclosures + KRX prices, English-first for global LLM analysts.

Full Portkey Admin API MCP server — configs, prompts, keys, analytics, and more.

API for AI agents to delegate tasks to real humans.

FastMCP server exposing Joplin notes, notebooks, tags, and imports.

Cloudflare Workers MCP server: interactive-api-playground

Cloudflare Workers MCP server: graphql-rest-bridge

Cloudflare Workers MCP server: graphql-dos-shield

Cloudflare Workers MCP server: govdata-korea

Cloudflare Workers MCP server: form-backend

Cloudflare Workers MCP server: font-metadata

Cloudflare Workers MCP server: env-blueprint-validator

Cloudflare Workers MCP server: embedding-search

Cloudflare Workers MCP server: email-validator

Cloudflare Workers MCP server: domain-intel

Cloudflare Workers MCP server: diff-patch-tools

Cloudflare Workers MCP server: data-transform

Cloudflare Workers MCP server: crypto-signal

Cloudflare Workers MCP server: cron-parser

Cloudflare Workers MCP server: cron-monitor

Cloudflare Workers MCP server: cron-collision-detector

Cloudflare Workers MCP server: color-palette

Cloudflare Workers MCP server: code-pattern-risk-scanner

Cloudflare Workers MCP server: code-explainer

Cloudflare Workers MCP server: claude-skill-validator

Cloudflare Workers MCP server: citation-verifier

Cloudflare Workers MCP server: blog

Cloudflare Workers MCP server: api-schema-drift-detector

Cloudflare Workers MCP server: api-response-cost-analyzer

Cloudflare Workers MCP server: api-request-deduplicator

Cloudflare Workers MCP server: api-perf-analyzer

Cloudflare Workers MCP server: api-payload-auditor

Cloudflare Workers MCP server: api-mock-server

Cloudflare Workers MCP server: api-landing

Cloudflare Workers MCP server: api-flow-analyzer

Cloudflare Workers MCP server: api-diff-monitor

Cloudflare Workers MCP server: api-contract-validator

Cloudflare Workers MCP server: api-composition-gateway

Cloudflare Workers MCP server: api-changelog-tracker

Cloudflare Workers MCP server: ai-token-counter

Cloudflare Workers MCP server: ai-rate-limit-tracker

Cloudflare Workers MCP server: ai-provider-status

Cloudflare Workers MCP server: ai-prompt-optimizer

Cloudflare Workers MCP server: ai-model-router

Cloudflare Workers MCP server: ai-guardrails

Cloudflare Workers MCP server: ai-gateway

Cloudflare Workers MCP server: ai-eval

Cloudflare Workers MCP server: ai-crawler-policy

Cloudflare Workers MCP server: ai-changelog-writer

Cloudflare Workers MCP server: ai-budget-planner

Cloudflare Workers MCP server: ai-agent-scratchpad

Cloudflare Workers MCP server: agent-workflow-engine

Cloudflare Workers MCP server: agent-trace-auditor

Cloudflare Workers MCP server: agent-memory

Cloudflare Workers MCP server: agent-loop-detector

Cloudflare Workers MCP server: a11y-scorer

Cloudflare Workers MCP server: ai-cost-optimizer

Cloudflare Workers MCP server: llm-output-quality-monitor

Classify AI systems under the EU AI Act and generate Article 50 transparency notices.

The open retrieval layer for AI agents — index code, docs, data. Search via MCP.

Deterministic DOCX/PPTX/XLSX/PDF parser: track changes, comments, headers, footers, merged cells.

Real-time surf, weather, trail status, volcano, ocean safety, and restaurants for Hawaii.

19 freight tools: ADR 2025+LQ/EQ, HS, airlines, UN/LOCODE, ULDs, duty, CBM/LDM, get_subscribe_link

Resolve public X/Twitter profiles, posts, and media through CarryFeed.

Base DEX meta-router. Races 0x, ParaSwap, Aerodrome & Uniswap V3. Best quote. X402 pay-per-use.

Alephant MCP server for AI cost control, BYO-key routing, 50+ providers, and 320+ models.

Local knowledge graph memory MCP server for AI assistants.

Score prompt quality across 8 dimensions before they reach a model. Pre-flight, not post-hoc.

Query a curated YAML semantic concept graph for codebase invariants and cross-cutting facts.

Search and install 3,000+ AI skills from getskillsai.org into Claude Code, Cursor, ChatGPT.

Agent-first e-signature MCP server with offline PAdES signing and hash-chained audit.

Create and edit creator-ready images and videos with Zark.

Content-addressed, ed25519-signed memory of every place on Earth. Apache-2.0, no keys for reads.

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

California criminal-justice accountability: DAs, defenders, judges, officers, CJP, POST.

Feishu/Lark MCP server + CLI tool. 85 tools, 3 auth layers. Send as user via cookie+protobuf.

Team-aware memory: intent, decisions, real-time conflicts for AI coding assistants.

AI agents fix GitHub bugs (with regression tests) or raise test coverage. Paid in crypto.

Analyst-debate research on every public and private company. 8 tools: search, score, compare, more.

Sovereign encrypted persistent memory for AI agents. 8 MCP tools. GDPR erasure. Apache-2.0.

Real-time market catalysts from 50+ primary federal sources, AI-classified for traders.

MCP tools for x402 readiness, paid-path probes, launch packs, and trust receipts.

NOAA Space Weather Prediction Center (solar wind, Kp, aurora, alerts)

MyGene.info — gene annotation joining NCBI/Ensembl/UniProt/KEGG/OMIM

An API of Ice and Fire — A Song of Ice and Fire (books/characters/houses)

Studio Ghibli fan API (films, people, locations, species, vehicles)

deps.dev — Google's package metadata + dependency graph API

OSV.dev — Google's open-source vulnerability database

GDACS — Global Disaster Alert & Coordination System (EQ/TC/FL/VO/DR/WF)

Finnish Meteorological Institute open data (forecast, observations, warnings)

NOAA Tides & Currents — observations, predictions, datums, station metadata

data.europa.eu — official EU open-data hub (~1.6M datasets)

PLOS journals — Solr-backed full-text search across all PLOS OA content