Developer Tools

MCPNav listings

Showing 265–276 of 924 attributed MCPNav entries in the 2026-10-09 snapshot. This is a licensed subset of the category’s 3,148 deduplicated directory records.

Source coverage: MCP.so 2,286 · MCPNav 924. Catalog counts can overlap; the listing cards below contain only MCPNav records.

EM

Emailens MCP

active

io.github.emailens/mcp

MCP provider published as Emailens MCP. Listed version: 0.6.2.

Directory description: Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.

Registry data grade ECohort score 69/100Raw points 80/100Version 0.6.2MCPDeveloper ToolsMCPNav
Rating detail · five criteria
  • registry freshness and status · 15 points
  • registry identity · 25 points
  • registry metadata · 0 points
  • runtime definition · 20 points
  • structure and url validation · 20 points
RepositoryRegistry sourceDeclared endpoint · streamable-http
ED

embedded-debugger-mcp

Directory record

Embedded debugging with probe-rs: ARM Cortex-M and RISC-V targets via J-Link, ST-Link and other probes.

Developer ToolsMCPNav
EM

endiagram-mcp

Directory record

EN Diagram — structural verification for concurrent systems. Pure math, no AI.

Developer ToolsMCPNav
E

engram

Directory record

Ranked local code-graph context for AI coding agents. Intercepts reads + greps. Apache-2.0.

Developer ToolsMCPNav
E

EOxElements

Directory record

A server to provide information about EOxElements custom elements for coding agents.

Developer ToolsMCPNav
EM

esp-mcp

Directory record

Fix build issues for ESP32-series chips with ESP-IDF.

Developer ToolsMCPNav
E

etincel

Directory record

Trainable non-fiction writing voice, presets, and an anti-AI-tells audit for Claude, via MCP.

Developer ToolsMCPNav
EV

eval-view

Directory record

Regression testing for AI agents. Golden baselines, CI/CD, LangGraph, CrewAI, OpenAI, Claude.

Developer ToolsMCPNav
EM

Excel MCP Server

active

io.github.haris-musa/excel-mcp-server

MCP provider published as Excel MCP Server. Listed version: 1.1.2.

Directory description: Create, read and edit Excel workbooks without Microsoft Excel.

Registry data grade FFFCohort score 6/100Raw points 60/100Version 1.1.2MCPDeveloper ToolsMCPNav
Rating detail · five criteria
  • registry freshness and status · 15 points
  • registry identity · 25 points
  • registry metadata · 0 points
  • runtime definition · 5 points
  • structure and url validation · 15 points
RepositoryRegistry source
EV

excel-vision-mcp

Directory record

Excel MCP with image extraction and write support — AI agents see and edit xlsx files

Developer ToolsMCPNav
E

execkit

Directory record

Stateful, structured, safe shell sessions for AI agents over local, SSH, and Docker.

Developer ToolsMCPNav
FM

Fable Mode

active

io.github.REX-codebase/fable-mode

MCP provider published as Fable Mode. Listed version: 1.3.5.

Directory description: Mechanical write gates, evidence receipts, and adversarial review for AI coding agents.

Registry data grade FFFCohort score 14/100Raw points 60/100Version 1.3.5MCPDeveloper ToolsMCPNav
Rating detail · five criteria
  • registry freshness and status · 15 points
  • registry identity · 25 points
  • registry metadata · 0 points
  • runtime definition · 5 points
  • structure and url validation · 15 points
RepositoryRegistry source

Source: MCPNav public API · License and upstream attribution. MCPNav-added fields are CC BY 4.0; upstream source fields retain their listed licenses.

How to interpret this page: The overall category total combines third-party directory labels. The paginated cards show only the MCPNav subset, not every source record. Neither category membership nor these directory entries are Official MCP Registry categories, Trust Live evidence, Trust grades, safety verification, or endorsements.

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