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20 Best GitHub MCP Servers: compared and ranked, September 2026Ranked from 1,676 matching servers on stars, growth, downloads and maintenance. Updated .

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"Exploring a GitHub repository and creating a detailed flowchart of its functionality" matching MCP servers:

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  • A
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    quality
    A
    maintenance
    A single static Go binary that exposes GitHub operations (repos, branches, commits, file contents, issues, PRs, and search) as MCP tools, enabling agents to read and write GitHub data with no runtime dependencies.
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Provides AI assistants with persistent graph database memory using Neo4j, enabling task management, relationship understanding, semantic search with embeddings, file indexing, and multi-agent coordination through the Model Context Protocol.
    18 npm
    285
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    CNN's Fear & Greed index for the US stock market: current score and rating, the seven component indicators, and about a year of daily history. Go standard library only, no API key required.
    1
    2
    MIT
  • A
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    quality
    A
    maintenance
    MCP server that enables AI assistants to drive systematic literature review workflows, including screening, downloading, converting, and reviewing papers through natural language conversation.
    29
    AGPL 3.0
  • A
    license
    A
    quality
    A
    maintenance
    A deterministic symbol oracle over a locally built index of the repository: whether a symbol exists, what a file declares, and what changed structurally since the last snapshot. It also ships a PreToolUse guard that stops an Edit/Write referencing a function, constant or type the repo does not declare, before the write lands rather than after the build fails. No LLM, no API keys, no network, no l
    6
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    MCP server for gavel, a code-quality gate for Bazel monorepos. Exposes judge, findings, coverage and architecture tools so a coding agent can check its change against the quality gate (lint, coverage, layer rules) before declaring it done — all off the Bazel build graph, over just what changed.
    8
    10
    Apache 2.0
  • A
    license
    Not graded
    quality
    B
    maintenance
    MCP server that lets LLMs interact with a running Prometheus instance via its API, enabling metric analysis, PromQL queries, and rule/target inspection. It also provides embedded documentation and guided runbooks for common Prometheus tasks.
    106
    Apache 2.0
  • A
    license
    Not graded
    quality
    B
    maintenance
    Connect to your TTRPG campaign's repository and database. Instead of retrieving prose, its 48 tools (20 read, 28 write) return typed state: 14 entity schemas (NPCs, factions, locations, sessions, lore), relationship and knowledge-graph queries, wiki blocks, and a narrative-state bundle of open threads and canon facts.
    1
    MIT
  • A
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    Not graded
    quality
    A
    maintenance
    Description: Introduce Beelzebub, an MCP‑based honeypot framework that enables creating decoy tools to detect prompt injection and malicious agent behavior. Motivation: Strengthen the security of LLM workflows by adding a non‑intrusive detection mechanism.
    2,176
    GPL 3.0
  • A
    license
    Not graded
    quality
    A
    maintenance
    KSM MCP is a Model Context Protocol (MCP) server that acts as a secure intermediary between AI language models (like Claude) and Keeper Secrets Manager (KSM). It allows AI agents to manage your KSM secrets-such as listing, creating, retrieving, and deleting records and folders-while protecting your
    10
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    A modern community hub with forum and knowledge base. Native MCP built-in, ready for the next era of internet culture.
    337
    Mozilla Public 2.0
  • A
    license
    Not graded
    quality
    A
    maintenance
    MCP server that helps coding agents research and prepare GitHub contributions by gathering repository guidance, related work, code context, and validation evidence into a local SQLite corpus, without ever writing to GitHub.
    384 npm
    3
    MIT
  • F
    license
    Not graded
    quality
    A
    maintenance
    ZCP is a CLI with Zerops MCP that makes your agent a Zerops power-user. It runs either inside your project, or is connected through zCLI's VPN functionality to the project from your terminal. Your agent. Your subscription. Your code. Your infrastructure. Your IDE.
    1
    -
  • A
    license
    Not graded
    quality
    A
    maintenance
    A memory, docs, and repo context layer for engineering agents, providing typed persistent memory, RAG document retrieval, and repository-aware tools to recall decisions, runbooks, and operational knowledge across sessions.
    41
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Keeps Jira Cloud, Jira Server, Linear or its own built-in tracker (plus Confluence pages) in one local SQLite file. Its MCP tools answer from that file: read-only SQL, full-text search across issues, comments and wiki pages, issue detail, sprint and retro reads.
    41
    Apache 2.0