"Techniques for improving prompt effectiveness" matching MCP servers:

• MCP Prompt Cleaner

  dacebt

  A

  license

  -

  quality

  D

  maintenance

  Enhances and cleans raw prompts using AI to make them more clear, actionable, and effective. Provides quality assessment, suggestions, and supports both general and code-specific optimization modes.

  Last updated 2025-10-16

  1

  MIT

• Compact Prompt

  gtkcyber

  A

  license

  -

  quality

  A

  maintenance

  This MCP server compacts prompts to save on token usage.

  Last updated 2026-06-26

  MIT

• YouTube for AI Agents

  JCodesMore

  A

  license

  -

  quality

  C

  maintenance

  Enables AI agents to search, watch, summarize, clip, and extract transcripts from YouTube videos, all without needing an API key or leaving the chat.

  Last updated 2026-04-30

  17

  36

  Apache 2.0

• Mattermost Workflows for Codex

  shanginn

  F

  license

  -

  quality

  B

  maintenance

  A local-first Codex plugin that bundles an MCP server to safely interact with Mattermost, enabling channel/thread summarization, conversation search, and reviewed post publishing via the Mattermost REST API.

  Last updated 2026-07-16

• YouTube Transcript MCP Server

  Ayaanisthebest

  A

  license

  -

  quality

  D

  maintenance

  Enables fetching, searching, and summarizing YouTube video transcripts with multi-language support.

  Last updated 2025-09-11

  MIT

• Claude Assistant for

  jedbillyb

  F

  license

  -

  quality

  B

  maintenance

  Enables Claude to read, rewrite, generate, and summarize LibreOffice Writer documents with preview-then-apply editing through MCP tools, authenticating via Claude Code login.

  Last updated 2026-06-29

• bankstatementparser-mcp

  sebastienrousseau

  A

  license

  A

  quality

  A

  maintenance

  Model Context Protocol server exposing the bankstatementparser library as first-class agent tools for reading bank statements.

  Last updated 2026-07-18

  5

  Apache 2.0
• 

  mcp-sparkitofficial

  SPARKIT-science

  A

  license

  A

  quality

  B

  maintenance

  science agent for literature search and summary

  Last updated 2026-05-27

  2

  1

  MIT

• mcp-clinical-doc-agent

  Aditya-Khadye

  A

  license

  A

  quality

  B

  maintenance

  Enables analysis of clinical trial protocols using MCP tools for document listing, entity extraction, adverse event clustering, and summarization.

  Last updated 2026-05-26

  4

  1

  MIT

• kagi-kan-mcp

  czottmann

  A

  license

  A

  quality

  D

  maintenance

  Unofficial MCP server for working with Kagi without API access (you'll need to be a customer, tho). Searches and summarizes. Uses Kagi session token for easy authentication.

  Last updated 2026-02-15

  2

  41

  MIT

• pymupdf4llm-mcp

  ai-zerolab

  A

  license

  A

  quality

  F

  maintenance

  An MCP server that exports PDF documents to markdown format optimized for LLM processing.

  Last updated 2025-04-24

  1

  1

  BSD 3-Clause

• MeshMind

  AntoniovanDijck

  A

  license

  A

  quality

  A

  maintenance

  A single MCP server that merges three context-engineering ideas into one toolset for AI agents

  Last updated 2026-06-16

  7

  12

  1

  MIT

• ai-workers-mcp

  basttran

  F

  license

  A

  quality

  B

  maintenance

  Routes commodity NLP tasks like summarization and translation to free-tier LLMs, saving Claude tokens for complex work.

  Last updated 2026-06-14

  12

• Whissle MCP Server

  WhissleAI

  F

  license

  A

  quality

  D

  maintenance

  A Python-based server that provides access to Whissle API endpoints for speech-to-text, diarization, translation, and text summarization.

  Last updated 2025-04-11

  5

  2

• Fathom AI MCP

  jerichosequitin

  A

  license

  A

  quality

  C

  maintenance

  An MCP server for the Fathom AI meeting intelligence API

  Last updated 2026-03-21

  5

  10

  MIT

• cardnews-mcp-server

  leedonwoo2827-ship-it

  F

  license

  A

  quality

  B

  maintenance

  Converts subtitles or text into a single 1080×1620 infographic card (HTML+PNG) using LLM to generate content and Puppeteer for rendering.

  Last updated 2026-06-04

  3

• char-index-mcp

  agent-hanju

  A

  license

  A

  quality

  F

  maintenance

  Precise character-level string indexing for LLMs. Provides tools for finding, extracting, and manipulating text by exact character position to solve position-based operations.

  Last updated 2026-04-02

  12

  3

  MIT

• Writing Assistant Ai MCP

  CSOAI-ORG

  F

  license

  A

  quality

  A

  maintenance

  Content writing toolkit for headline generation, readability scoring, tone analysis, outline building, and plagiarism similarity checking.

  Last updated 2026-06-26

  5

• pubmed-search

  pubspro

  A

  license

  -

  quality

  B

  maintenance

  MCP server for PubMed search and literature summarization

  Last updated 2026-05-30

  5

  1

  MIT

• ytt-mcp

  cottongeeks

  A

  license

  A

  quality

  D

  maintenance

  MCP server to fetch transcripts for YouTube videos, enabling users to retrieve and summarize video content via natural language.

  Last updated 2025-10-15

  1

  71

  MIT