"Open source MCP (Model Context Protocol) implementations" matching MCP connectors:

Search domain availability and pricing, straight from chat, then open a link to register.

500+ pay-per-call tools + skill packs. USDC + USDG on 12 chains, or free via proof-of-work.

290+ quality-scored API capabilities for AI agents across 27 countries via MCP.

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

Host-owned vacation-rental direct booking via VRP. Signed offers, 0% commission. Not an OTA.

Scan/purge hidden text & score web domains: TLS, DNS, headers, speed. Free scans, $0.01 actions.

Enumerate and inspect PubFi capabilities, then execute an exact selected route.

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Cães e gatos para adoção no Brasil, de ONGs e protetores. Busque por cidade, porte, idade e saúde.

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

Give AI assistants secure access to your organization's structured business data. Search records, create and update records, retrieve schema information, and manage workflow states using natural language. You need two values for every request: x-api-key — your Web Data Forms API Key x-group-id — your Web Data Forms Group ID You can find these in your Web Data Forms accounts group->information page. Preferred method: request header When possible, pass the credentials as HTTP headers: x-api-key: <your-api-key> x-group-id: <your-group-id> This is the preferred option because it keeps credentials out of the URL and is more secure. Fallback method: query parameters If your MCP client does not support custom headers, the server also accepts the credentials as URL query parameters. Example: https://mcp.webdataforms.com?x-api-key=abc123&x-group-id=xyz456 Detailed information here: https://github.com/Web-Data-Forms/mcp-server-docs/blob/main/README.md

Helena Bioinformatics MCP for clinical variant interpretation, ACMG/AMP evidence and literature.

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.

Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.

Simulate, test, and analyze cloud architectures without deploying real infrastructure. Cloud World Model enables AI agents to model cloud environments, evaluate architecture behavior and costs, run failure and chaos simulations, and explore infrastructure scenarios across cloud providers.

Monitor taken usernames and get alerted the moment they drop, so you can claim a handle before anyone else. Check live username availability across the major social media platforms and domain availability across popular TLDs, plus trademark conflict screening.

A connector providing AI assistants searchable access to climate-aligned contract clauses, glossary terms, and practical guides from The Chancery Lane Project's curated knowledge graph.

Connect Claude or any MCP client to Thread Otter, a GTM agent for founders. Free tools with no key: find_buyer_threads (give it a website URL and get recent Reddit threads where that product's buyers are asking for it, report in ~3 minutes), reddit_demand_board (weekly demand across 40 communities with thread receipts), and subreddit_rules (promotion posture for 2,000+ profiled subreddits). With an API key: read your buying-intent mentions across Reddit, X, LinkedIn, and Bluesky, check your pipeline, and propose posts and reply drafts in your voice. Propose-only by design: nothing sends without your approval flow. Keys at threadotter.com/connect.

Manage products, EU Digital Product Passports, operator parties, and GS1 EPCIS supply-chain events.