"Tools for optimizing prompts" matching MCP servers:

• seo-tools-mcp

  antohins

  A

  license

  A

  quality

  A

  maintenance

  Five general-purpose stdio MCP servers for SEO: access to SERP, Wordstat, Google Search Console, Yandex.Webmaster and Yandex.Metrica straight from Claude Code (or any MCP client). All tools are read-only, output is strict JSON. Not tied to a specific site: defaults (GSC property, Webmaster host, Metrica counter) are configured on the fly.

  Last updated 2026-07-21

  2

  7

  MIT
• 

  m-dev-tools-mcpofficial

  m-dev-tools

  A

  license

  A

  quality

  A

  maintenance

  MCP server that exposes tools to route natural language queries to typed IDs, describe catalog entries, and list repository verification commands for the m-dev-tools organization.

  Last updated 2026-05-11

  3

  AGPL 3.0

• xlsx-for-ai

  senoff

  A

  license

  A

  quality

  A

  maintenance

  50 tools and 400 functions for working with Excel/.xlsx spreadsheets — read/write, recalculate formulas, diff, repair broken references, and audit. Built for AI agents.

  Last updated 2026-07-18

  50

  806

  4

  MIT

• mcp-engineering-tools

  shahradzomorrodi

  A

  license

  A

  quality

  B

  maintenance

  An MCP server that gives an AI assistant a set of real mechanical-engineering tools. Provides deterministic tools like material properties, beam analysis, unit conversion, and curve fitting for engineering calculations.

  Last updated 2026-07-08

  5

  MIT

• prompt-library-mcp-server

  AiAgentKarl

  A

  license

  A

  quality

  D

  maintenance

  Community-driven library of tested prompts for AI agents, enabling search, retrieval, sharing, and rating of prompts.

  Last updated 2026-04-03

  5

  MIT

• HashBuilds Secure Prompts

  jphyqr

  F

  license

  A

  quality

  D

  maintenance

  Enables AI assistants to register prompts for security verification, checking for hidden injections, data exfiltration patterns, and jailbreak attempts, then generate embed codes for displaying security badges on websites.

  Last updated 2025-12-12

  4

• QR for Agent

  benswel

  A

  license

  A

  quality

  B

  maintenance

  Dynamic QR code platform for AI agents. Create, customize, and track QR codes without regenerating images. 37 tools covering 11 QR types (URL, vCard, WiFi, event…).

  Last updated 2026-06-09

  37

  2

  MIT

• autonomous-frontend-browser

  Winds-AI

  A

  license

  A

  quality

  -

  maintenance

  Enables AI tools to interact with browsers for enhanced frontend development, providing context to LLMs through tools like API call analysis, screenshots, element selection, and documentation ingestion.

  Last updated 2025-09-05

  9

  9

  10

• Smart Prompts MCP Server

  jezweb

  F

  license

  A

  quality

  F

  maintenance

  An enhanced MCP server that fetches prompts from GitHub repositories with intelligent discovery, composition, and management features.

  Last updated 2025-06-20

  7

  12

• mcp-dep-tools

  rog0x

  A

  license

  A

  quality

  D

  maintenance

  MCP server providing dependency and package management tools for AI agents. Analyze licenses, find outdated packages, visualize dependency trees, estimate bundle sizes, and audit security vulnerabilities.

  Last updated 2026-03-21

  5

  61

  MIT

• MCP Sequential Thinking Tools

  xinzhongyouhai

  A

  license

  A

  quality

  D

  maintenance

  Guides problem-solving by breaking down complex problems into steps and recommending appropriate MCP tools for each stage, with confidence scores and rationales for tool suggestions.

  Last updated 2025-03-24

  1

  746

  29

  MIT

• Prompts MCP Server

  tanker327

  A

  license

  A

  quality

  D

  maintenance

  A Model Context Protocol server for managing prompt templates as markdown files with YAML frontmatter, allowing users and LLMs to easily add, retrieve, and manage prompts.

  Last updated 2025-06-19

  5

  11

  15

  MIT
• 

  banana-prompts-mcpofficial

  Banana-Prompts

  F

  license

  B

  quality

  D

  maintenance

  Enables searching for high-quality AI art prompts from Banana Prompts by tags or keyword queries, with direct links to full prompts and images.

  Last updated 2026-01-08

  2

  63

  4

• Crypto Tools MCP Server

  marc-shade

  A

  license

  B

  quality

  D

  maintenance

  Defense-grade cryptographic compliance and analysis tools for MCP, including FIPS 140-3 validation, CNSA 2.0 analysis, post-quantum readiness assessment, and classical cipher utilities.

  Last updated 2026-02-22

  18

  1

  MIT

• OSP Marketing Tools MCP Server

  open-strategy-partners

  A

  license

  B

  quality

  F

  maintenance

  Enables seamless integration with any LLM client supporting MCP for creating and optimizing technical content and product positioning using Open Strategy Partners' methodologies.

  Last updated 2025-04-23

  6

  270

  CC BY-SA 4.0

• Git Prompts MCP Server

  ceshine

  A

  license

  B

  quality

  D

  maintenance

  A Model Context Protocol server that generates prompts based on Git repository content, including a command to generate PR descriptions from diffs.

  Last updated 2026-03-30

  3

  2

  MIT

• prompt-new-mcp

  seungwonme

  A

  license

  B

  quality

  D

  maintenance

  A Model Context Protocol server that saves prompts with timestamps and allows users to list previously saved prompts for Claude Desktop.

  Last updated 2025-07-25

  2

  5

  1

  MIT
• 

  trocco-mcp-toolsofficial

  Growth-Management

  F

  license

  B

  quality

  C

  maintenance

  Read-only MCP tools for TROCCO API, enabling workflow and BigQuery datamart audit information retrieval.

  Last updated 2026-07-01

  2

• hermes-marketplace-tools

  vladthecto

  F

  license

  B

  quality

  C

  maintenance

  Provides MCP tools for searching and comparing products on Wildberries (and Ozon planned), including product search, detailed card retrieval, and review fetching, normalized for LLM consumption.

  Last updated 2026-07-01

  3

• Database Tools for Claude AI

  elber-code

  A

  license

  B

  quality

  D

  maintenance

  MCP server that allows Claude AI to interact directly with MySQL databases, enabling query execution and table information retrieval through natural language.

  Last updated 2025-04-17

  1

  4

  4

  MIT