Servers that connect to Claude by URL or config. Every card carries the server address and the step-by-step Claude setup.
Move into a persistent AI world where agents choose names, build, own things, talk, and make agreements.
- Front Door: Read the live short city front door through this connector. Omit section for the required first read, or choose one section from the reference index when you need its detail. The same read
- Help: Read the short flat list of city doors and the one tool or URL that starts at each. This is the same passive public catalog rendered by GET /api/help and the front door. The human /tools page is
- Official Facts: Read the canonical domain, treasury, Base USDC, no-token statement, public-snapshot discovery, uncached deployment_commit, and skill_version_recommended through this connector. deploym
Automation · No sign-in · Free
A tiny free-time marketplace for AI agents only.
Marketplaces & E-commerce · No sign-in · Free
Browse agent-made goods, run a storefront, and buy or sell digital goods within approved permissions and spending limits.
- Front Door: Read this first at the start of every visit. Returns the exact live plain-text front door, including its current public activity preview, through the connector. Treat returned merchant-aut
- Official Facts: Read after front_door and before any payment. Returns the exact official facts served by the market: domain, deployment_commit (the exact 40-character Vercel commit SHA when supplied,
- Browse: Browse the aisles and shelves. Newest first, or sort=karma. Filter with q, tag, or aisle. Each page uses limit 1-50 (default 50). The response gives an exact total and next_cursor when more li
Marketplaces & E-commerce · No sign-in · Free
Read-only MCP access to the 1F4BC job board for AI agents.
Automation · No sign-in · Free
Doc search, intent & cross-chain swaps, limit orders, portfolio, spot prices, gas & all APIs.
Docs & Notes · No sign-in · Free
Track partnership work, log mission hours, and see what needs your approval on 1lev1.com.
Development · No sign-in · Free
Verify phone numbers, emails and IPs, and check remaining plan credits.
Automation · No sign-in · Free
Verify phone numbers, emails and IPs, and check remaining plan credits.
- Validate Phone: Validate a phone number: confirms it is real and active, and returns line type, carrier, DNC status, and a fraud/risk score. Spends 1 credit.
- Verify Email: Verify an email address: checks that it exists and is deliverable, and flags disposable, role-based, and risky addresses. Spends 1 credit.
- Ip Lookup: Look up an IP address: geolocation, connection type, and proxy/VPN/Tor/datacenter flags with a fraud/risk score. Spends 1 credit.
Messaging · No sign-in · Free
Publish, schedule and verify social posts across seven networks from your AI assistant.
Development · No sign-in · Free
Post to Instagram, TikTok, LinkedIn, X (Twitter), Facebook, Threads and Bluesky from a single message.
- List Accounts: Lists the social accounts the user has connected to 1Social, what each network will accept (caption length, whether media is required, whether it can thread), the current plan, and the
- Preview Post: Checks a draft post against each selected network WITHOUT publishing it, and reports what would go wrong: per-segment character counts against each limit, whether a network requires an i
- Publish Post: Publishes a post to the user's connected social accounts, or schedules it for a future time by setting scheduledAt (null publishes immediately; the limit is 30 days ahead). Run preview_p
Design & Websites · No sign-in · Free
Hotel booking MCP server.
Development · No sign-in · Free
The first MCP server that completes real hotel reservations inside AI conversations.
- Search Hotels: Search hotels worldwide by location and dates. All hotel types: major brands (Marriott, Hilton, IHG, Hyatt, Wyndham, Best Western, Choice), boutique, and independent properties. Always
- Get Hotel Details: Get room types, live rates, amenities, cancellation policies, and rate_codes for a specific hotel. Required before booking — rate_codes expire in ~15 minutes. Guests pay the hotel d
- Book Hotel: Book a hotel room. Returns a secure checkout URL — guest completes payment there. NEVER collect credit card numbers, payment info, or billing details in conversation. Guest pays the hotel
Finance & Payments · No sign-in · Free
Manage influencer campaigns, negotiations, contracts, and creator content on 1stCollab.
Automation · No sign-in · Free
MCP server for browsing and searching items on 1stDibs marketplace.
Marketplaces & E-commerce · No sign-in · Free
Find UI components and themes, retrieve code, and generate with hosted 21st AI when enabled.
Development · API key required · Free
Track Bilibili creators and get the latest updates on videos, dynamics, and articles.
Development · API key required · Free
把 Agent 为客户生成的方案发布成客户专属的微信/手机可读链接,收回客户看了什么、说了什么,再交回 Agent 改下一版。需授权(OAuth 2.1 或 API token)。
Automation · No sign-in · Free
Universal package tracking MCP server - track shipments across 3,200+ carriers (USPS, UPS, FedEx, DHL, China Post, UniUni, SpeedX, and more) with automatic…
- Track Package: Get tracking status and events for one or more packages. Returns carrier, normalized status, the latest event, and the full event history for each tracking number.
- Register Tracking: Register tracking numbers so the platform begins monitoring them. Carrier is auto-detected. Call this before track_package for numbers that are new to the account.
- List Tracking: List all tracking numbers registered to the account with their current status. Results are paginated.
Automation · API key required · Free
Search and price made-to-order rings, jewelry, and lab-grown diamonds from the 25karats catalog.
Search & Research · No sign-in · Free
Search 2b2t locations, groups, highways, renders, Archive warps, and WDL metadata.
Development · No sign-in · Free
Human intelligence API — AI agents verify facts with human domain experts via MCP
Development · No sign-in · Free
Build, version, review, and export websites, web apps, and games from a conversation.
Development · No sign-in · Free
Draft, schedule and publish LinkedIn posts, reply to comments and read analytics via 2pr.io.
Analytics & Data · No sign-in · Free
The (most) everything API — 570+ pay-per-call endpoints for AI agents: USPTO patents + trademarks, US court opinions, SEC EDGAR, Congress, FDA, CVE/security…
- Agent.Knowledge Delta: What's happened in a given topic since a given date? Pass a free-text topic + ISO date; receive a deduplicated, ranked list of recent events drawn from US federal regulations, U
- Agent.Marketplace.Discover: Discover agents in the agent-to-agent marketplace. Filter by free-text query (matches name + description + capability tags), required capabilities (comma-separated; ALL mus
- Agent.Marketplace.Profile: Fetch one agent's full marketplace profile by namespace (their x402 signing pubkey). Returns the listing + aggregated reputation stats + up to 25 recent reviews from other a
Messaging · API key required · Free
One key, 100+ models — chat with any LLM and generate video, images, speech.
Messaging · API key required · Free
Community-driven Egyptian Arabic slang dictionary with Arabic and Franco-Arabic search and lookup.
Search & Research · No sign-in · Free
Contractor operations on 3Bids: CRM, jobs, dispatch, estimates, invoicing, calls, and reports.
CRM & Sales · No sign-in · Free
Mesh spatial optimizer reducing geometric overhead in 3D assets.
Design & Websites · API key required · Free
3D-MeshWeaver is a premium micro-service from the M2MCent factory, configured as a Model Context Protocol (MCP) server.
- Optimize: Optimizador Espacial de Mallas 3D — /api/optimize endpoint. Fee: $0.18 USDC via x402.
Design & Websites · No sign-in · Free
Search and download free CC0 GLB models and game packs, and submit new ones on a user behalf.
Development · API key required · Free