"Papers With Code" matching MCP connectors:

~Alter is the identity layer agents query before they transact, answering who is actually on the other end. 11 of the 42 tools work with no account and no key. Call them now and see what comes back. Two calls plus a small proof of work gives your agent its own ~handle. Reads settle in USDC over x402 and 75% goes to the person read. Being known.

Search and cite US law from official sources, then form an LLC or nonprofit with free agent tools.

Free US cleaning cost, time, crew, and chemical-use calculators with visual reports.

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

Free, open MCP server for The Urantia Papers. 197 papers, 14,500+ paragraphs, 4,400+ entities.

Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.

Riddle.com is a no-code platform for quizzes, surveys, personality tests, prediction games, interactive graphics, and leaderboards. Use the MCP to create, edit and analyze content.

Bank and lender monitoring with historical-evidence limits and eligibility flags beside every claim.

Manage websites, help documents and customer-support conversations with safe, scoped tools.

Free Qwen3.8-27B gateway with isolated Minis provider, SSE, retry/failover, and MCP.

Create amazing video experiences with the Qencode API, straight from your AI assistant.

SEC dilution data, live market data, and news for U.S. equities, with point-in-time as-of queries

Read-only public Twitter data and TweetAPI docs for AI agents. Not affiliated with X Corp.

688 humanoid robot component entities with 4-dimension compatibility checking. Vendor-neutral.

Manage websites, help documents, campaigns, and customer-support conversations with safe, organization-scoped tools and interactive support views.

Search, preview, install community Codex pet packs, and discover the pet request flow.

Live multi-asset market data for AI agents with provenance, starter credits, x402, and examples.

The GVRN Incorporation MCP is a public Model Context Protocol (MCP) server that lets AI agents — on any LLM provider — collect and submit company incorporation requests to GVRN on a user's behalf. Every submission is reviewed by GVRN's corporate secretarial team, who follow up with the user by email. All fields are optional, so an agent can submit early with whatever the user has provided and let a specialist fill in the gaps.

Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.

Reassign: a circular 24-hour calendar and time-tracking copilot with ADHD-friendly scheduling.