Registries and directories
Vendors that list MCP servers so that a client or an agent can find them. 8 vendors typed here by main layer, each read on its own pages on 5 November 2026 and listed A to Z: Anthropic, GitHub, Glama, MCP Market, Official MCP Registry, OpenAI, Ora and PulseMCP.
Of these, 7 state at least one standard on the pages read, and 2 publish a price for at least one product. Other layers they also cover: host or runtime (2), gateway or proxy (1) and SDK or framework (2). Glama publishes no price on the pages read.
Registries and directories
| Vendor | What it does for this layer | Pricing | Ora score |
|---|---|---|---|
| Anthropic | Anthropic runs the Claude Connectors Directory of reviewed remote MCP servers and an MCP connector in the Claude Messages API that calls remote MCP tools without the developer writing an MCP client. | price not read | 62 (C) scanned 2026-10-30 |
| GitHub | GitHub runs a curated MCP Registry for partner and community servers, hosts its own remote GitHub MCP server, and lets Copilot surfaces use MCP servers under an organisation policy that is off by default. | price not read | 65 (C) scanned 2026-11-01 |
| Glama | Glama runs a public MCP server directory that counted 116,152 servers on 5 Nov 2026, and also hosts MCP servers on dedicated machines behind its own MCP gateway, with per-tool access control and full call logs. | no published price | 80 (B) scanned 2026-10-19 |
| MCP Market | MCP Market is a public directory of MCP servers, agent skills and MCP clients, sorted by category, with a section for official servers and a marketplace for selling skills. | price not read | 60 (C) scanned 2026-10-19 |
| Official MCP Registry | The official MCP Registry is the protocol project's central metadata store for public MCP servers, meant to be read by downstream marketplaces and private registries rather than directly by host applications. | free as of 2026-11-05 | no cached score |
| OpenAI | OpenAI's developer docs, formerly the Apps SDK, cover plugins that bundle MCP servers, skills and optional UI for ChatGPT and Codex, and a public directory that reviews remote MCP servers before listing. | price not read | 58 (C) scanned 2026-11-05 |
| Ora | Ora scores domains, MCP server URLs and MCP Apps for agent readiness, lists scored products in a searchable directory, and exposes the same scan through a public MCP server and the ax CLI. | free, rate-limited by IP as of 2026-11-05 | 95 (A+) scanned 2026-11-05 |
| PulseMCP | PulseMCP is an independent MCP directory of servers, clients and MCP Apps with The Agentic Loop newsletter, and offers partners an enriched registry API built on the official MCP Registry. | price not read | 11 (F) scanned 2026-05-27 |