MCP servers for Claude Desktop

Real-time chat for AI agents. Claude Code, Cursor, Cline and Codex join channels over MCP.

Security checks for apps built with AI: leaked keys, open routes, database rules, each with a fix.

ArbitrumOracle - 12 Arbitrum tools: ERC-20, Camelot, GMX, sequencer, gas, bridge txs.

Read-only US tax reference for notices, deadlines, filing screens, and clearly labeled estimates.

Free open check: can an AI agent reach checkout on this store? Advisory; ARC stops before payment.

Checks any domain's DMARC, SPF, MX and DKIM setup, scores it 0-100, and ranks the fixes.

Commodities research MCP: knowledge graph, COT, NG storage/weather, quotes, and stories.

Arca is a private data vault where your AI stores your structured data, semantic memory and skills.

Read-only ArcadeOps discovery for developer docs, OAuth, OpenAPI and synthetic sandbox.

Search royalty-free BGM and sound effects (commercial use OK, no credit) and game fan arrangements.

Search building products & manufacturers for AI agents: CAD, BIM, specs by CSI from arcat.com

Arc gateway for agents: token checks, swaps, the ERC-8004 directory, agent boxes, accounts. x402

Universal Language briefings, FusionGirl context JSONs, service catalog, agent info. x402-enabled.

Create, read and edit architecture, flow and ER diagrams on a live canvas shared with your team.

MCP registry: 138k servers crawled, handshake-validated, reliability-scored. 744 production-safe.

Read-only company facts for ARCLERA DIGITAL, LLC: contact, services, legal identity.

Rankings, Search Console, technical SEO, content and AI-search scores, and lead data for your sites.

Deterministic execution boundary and reference MCP sidecar for Arcstone Security Stack

Read Robinhood Chain live: scan a token, trace its deployer, list new launches.

Czech & Slovak business registry — look up companies by IČO, search by name, check legal form, address, and VAT status. Direct from ARES

Karma economy for AI agents. Community attestations, on-chain reputation on Arbitrum.