"A server for finding academic papers" matching MCP connectors:

AI Visibility and Content Intelligence tools for Claude and MCP-compatible agents.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Shared long-term memory vault for AI agents with 20 MCP tools.

Pay-per-call web scraping for AI agents via x402 on Base USDC. Six tools, no signup.

Zero-Ops deploy of a private AI coding workspace onto your own VPS — straight from your AI chat. Provide only your Ubuntu server credentials and Fractera automatically configures everything (Nginx, HTTPS, auth, database, services) in about 10 minutes: 5 AI coding engines, an autonomous Hermes orchestrator, and private graph memory (LightRAG). No terminal, no DevOps. IP-first and free; a custom domain with HTTPS is an optional later step.

Scan any URL for AI agent readability — Vercel Spec, llmstxt.org, and agent-protocol manifests.

Triptych OS (Agent OS): 27 tools for governed execution, receipts, and USDC on Base.

Research-backed linting + generation for agent context files (CLAUDE.md, AGENTS.md, Cursor rules).

Remote MCP + A2A server for AI agent operations. Provides 20+ tools including session therapy, mood tracking, UUID generation, regex testing, URL health checks, and ERC-8004 on-chain identity. Hosted at api.delx.ai with REST, MCP (SSE/streamable HTTP), and A2A protocol support.

Freshness-aware AI retrieval with 21 MCP tools for timestamped, decay-ranked live signals.

Zero-setup WhatsApp notifications + human-in-the-loop for AI agents — text 'join', send in 60s.

Trust layer for the x402 economy - check any service before you pay. Scores, discovery, routing.

Counterparty risk transfer for the agent economy: agents post bonds behind their promises, wronged c

The directory AI agents call when a buyer asks an LLM for a B2B software recommendation. Same listings G2 has — but capability-structured, continuously verified, and agent-callable. One listing visible to both audiences.

Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.

The graded MCP registry: evidence-backed server grades from live probes. Search, verify, connect.

Book a private driver in Paris: live quotes, airport transfers, tours, VIP Meet & Greet. No auth.

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

Unified MCP Server is a remote MCP connector for AI agents and vertical AI products that provides access to 22,000+ authorized SaaS tools across 400+ integrations and 24 categories directly inside LLMs (Claude, GPT, Gemini, Cohere). Tools operate only on explicitly authorized customer connections, enabling agents to safely read and write against live third-party systems.

Hosted governance layer for LLM agents. Seven mechanically-enforced rules plus audit-chain verification, preflight file protection, session handoff, and an emergency kill switch.