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Glama
108,900 servers. Updated
19 Best Email MCP Servers: compared and ranked, October 2026Ranked from 3,021 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    Not graded
    quality
    A
    maintenance
    An MCP server that acts as a governed customer-support tool, resolving questions only when the knowledge base supports a cited, grounded answer and honestly escalating everything else with provenance and evidence.
    34 PyPI
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables agents to convert Markdown into WhatsApp-compatible formatting, including styled text, lists, and tables that fit a phone's monospace width.
    2
    1
    139 npm
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables MCP clients to turn Make blueprints and Zapier exports into n8n workflow files, with a per-step report of what converted, what to review, and what must be finished by hand. Also lists zaps, explains how individual steps are handled, checks workflow files for broken links or placeholders, and can upload the result to an n8n instance as an inactive workflow.
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    MCP server exposing statistical regression testing for LLM agents as a "run" tool: p-value, effect size, and confidence interval on whether agent behavior actually changed.
    1
    45 PyPI
    Apache 2.0
  • A
    license
    A
    quality
    B
    maintenance
    Enables Claude Code, Codex CLI and Antigravity (Gemini) agents to exchange messages that are pushed live into each other's open sessions, with mail_send, mail_check and mail_peers tools so no agent has to poll. Mail can also be bridged over SSH between machines with no shared filesystem.
    3
    908 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Calibrd Agent scores a job against your CV from inside your assistant: fit, seniority gaps, ATS/recruiter CV read, and predicted interview questions. Reports are free (3/day); cover letter and a time-boxed pass unlock when you ask, voice mock stays in Calibrd.com/workspace.
    6
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables lookup of licensed US real estate agents on official state license registers by license number or name, returning the brokerage of record along with its active agent count, size band, and the agent's license status and expiry. It also lists every active agent at a given brokerage or every brokerage office in a zip code across 19 states.
    1
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    MCP server for AI agent guardrails โ€” validates and signs agent decisions (OAA tokens) so third parties can verify them without server access
    3
    24 PyPI
    1
    MIT
  • A
    license
    B
    quality
    A
    maintenance
    Agent trust checks, reputation and signed passports. Glama's build is a separate local Guild with an empty graph and its own issuer. Registrations and evidence stay local. Use the remote MCP connector for the shared hosted Guild; its free preflight and metered trust services are separate.
    43
    Apache 2.0