Hyades MCP Server

LaTeX math as pure Unicode text. For terminals, code comments, emails, and everywhere rich formatting isn't a thing. It is available as a remote MCP endpoint.

Teams that want a hosted email endpoint instead of running a local process. The project is written in C.

VERIFIED ACTIVE

LAST COMMIT 2026-03-25 · ★ 29 · #68 OF 75 MAINTAINED EMAIL · VERIFIED 2026-08-25

MPL-2.0 · C · how we verify → /methodology

01 · Install Hyades

Claude Code

claude mcp add apology-is-policy-hyades --transport http https://hyades-mcp.apg.workers.dev/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "apology-is-policy-hyades": {
      "url": "https://hyades-mcp.apg.workers.dev/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://hyades-mcp.apg.workers.dev/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as remote - your agent's requests go to hyades-mcp.apg.workers.dev

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license MPL-2.0 - declared in the repository

registry namespace io.github.apology-is-policy is GitHub-verified and matches the repo owner

03 · What Hyades can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v1.0.0 · 2026-03-22

04 · Who maintains Hyades

Hyades is maintained by apology-is-policy. It's the only MCP server we track from this author; the repo dates to Jan 2026.

05 · Facts

repository: github.com/apology-is-policy/hyades
category: email - ranked #68 of 75 actively-maintained email servers as of 2026-08-25.
registry: io.github.apology-is-policy/hyades (active, first published 2026-03-25)

06 · Hyades FAQ

What is Hyades?

LaTeX math as pure Unicode text. For terminals, code comments, emails, and everywhere rich formatting isn't a thing. It is available as a remote MCP endpoint.

Is Hyades still maintained?

Yes - as of 2026-08-25, its last commit was 2026-03-25. We re-verify nightly.

How do I install Hyades?

Run `claude mcp add apology-is-policy-hyades --transport http https://hyades-mcp.apg.workers.dev/mcp`. You can also paste the ready-made client config above.

Does Hyades require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

07 · Alternatives to Hyades

Alternatives to Hyades

Maintained email servers if Hyades isn't the fit.

More email MCP servers · Gmail MCP Server · Expense · Dead Letter · Email (IMAP/SMTP) (boutquin)