fastmcp
Teaches Claude Code to query MCP servers with the fastmcp CLI, listing the tools a server offers and calling them. Useful for wiring MCP servers into workflows.
2 skills28k
@prefecthqMCP Servers
Plugin
gitnexus
Indexes a codebase into a knowledge graph of symbols, calls and dependencies, so your coding agent can answer how code works, what a change will break and why a bug happens. Ask in plain language instead of grepping through files.
Plugin Signal84/100Strong
maintained100
capable64
documented75
adopted100
Claude Code
> /plugin marketplace add abhigyanpatwari/GitNexus> /plugin install gitnexus@gitnexus-marketplace
Codex
$ npx skills add abhigyanpatwari/GitNexus -a codex
Cursor
$ npx skills add abhigyanpatwari/GitNexus -a cursor
Gemini CLI
$ npx skills add abhigyanpatwari/GitNexus -a gemini-cli
GitHub Copilot
$ copilot plugin marketplace add abhigyanpatwari/GitNexus$ copilot plugin install gitnexus@gitnexus-marketplace
OpenCode
$ npx skills add abhigyanpatwari/GitNexus -a opencode
Windsurf
$ npx skills add abhigyanpatwari/GitNexus -a windsurf
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What's inside
13 Skills
/gitnexus-cliUse when the user needs to run GitNexus CLI commands like analyze/index a repo, check status, clean the index, generate a wiki, or list indexed repos. Examples: \"Index this repo\", \"Reanalyze the codebase\", \"Generate a wiki\"/gitnexus-debuggingUse when the user is debugging a bug, tracing an error, or asking why something fails. Examples: \"Why is X failing?\", \"Where does this error come from?\", \"Trace this bug\"/gitnexus-exploringUse when the user asks how code works, wants to understand architecture, trace execution flows, or explore unfamiliar parts of the codebase. Examples: \"How does X work?\", \"What calls this function?\", \"Show me the auth flow\"
7 Agents
gitnexus-branch-hygiene-reviewerGitNexus branch hygiene and mergeability reviewer. Use to classify merge state, conflicts, stale branches, merge-from-main commits, unrelated churn, mixed domains, and whether rebase or split is required.gitnexus-docs-dod-reviewerGitNexus docs and Definition-of-Done reviewer. Use to translate repo guidance, linked issues, changed domains, docs requirements, release notes, and acceptance criteria into a PR-specific DoD.gitnexus-pr-facts-historianGitNexus PR facts and repository-history investigator. Use to gather PR identity, visible GitHub state, changed files, commits, linked issues, related PRs, historical fixes, regressions, stale follow-ups, and missing visibility.
1 MCP server
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README
GitNexus
GitNexus indexes a codebase into a knowledge graph of symbols, calls, dependencies and execution flows. Use it through your coding agent's MCP tools, the CLI, or a web graph explorer.
Quick start · Documentation · Web UI · Discord
Quick start
Requires Node.js 22.18+ on 22.x, or 24.11+. See platform requirements for Linux and Windows native dependencies.
# Run from your repository root
npx gitnexus analyze
# Connect your editors once
npx gitnexus setup
analyze builds the index, installs agent skills, registers Claude Code hooks,
and writes AGENTS.md / CLAUDE.md context files. setup configures MCP for your
editors. Use gitnexus analyze --index-only to index without those repository
integration files.
For repeated use, install globally with npm install -g gitnexus.
If installation fails, see troubleshooting.
What you can do
| Task | Tool |
|---|---|
| Find code and related execution flows | query |
| Inspect a symbol's callers and dependencies | context |
| Check what a change could affect | impact |
| Trace a path between two symbols | trace |
| Review the impact of a Git diff | detect_changes |
| Preview and apply a semantic rename | rename |
Ask your agent questions such as “What calls this function?” or “What would this change affect?” Resolution depends on language support and available evidence; check reported ambiguity, index freshness and coverage limits.
Editor setup
gitnexus setup detects Claude Code, Cursor, Codex, Antigravity, Factory Droid,
OpenCode, CodeBuddy and Qoder. Windsurf requires manual MCP configuration.
To select editors:
gitnexus setup -c cursor,codex
See editor setup for the support matrix, manual MCP configuration, hooks and plugin installation.
Everyday commands
gitnexus analyze # Refresh the current repository's index
gitnexus analyze --watch # Reindex as local files change
gitnexus query "authentication" # Search the graph
gitnexus impact UserService --direction upstream
gitnexus status # Check index freshness
gitnexus list # List indexed repositories
gitnexus serve # Serve indexed repositories to the web UI
For multiple concurrent agents, use one gitnexus mcp --http --port 3111 server
and connect clients to http://127.0.0.1:3111/mcp. See the
shared-server instructions.
Web UI
Run gitnexus serve, then open gitnexus.vercel.app.
The UI connects to the backend to browse indexed repositories and use AI chat.
It uses the existing index; no re-upload or re-index is needed.
For Docker, hosted deployments, image verification, or a local frontend, see deployment.
Supported languages
C, C++, C#, COBOL, Dart, Go, Java, JavaScript, Kotlin, Objective-C, PHP, Python, Ruby, Rust, Swift, TypeScript, Vue and Zig have registered providers. Support varies by construct; see the language inventories for measured behavior, exclusions and remaining gaps.
Documentation
| Read | For |
|---|---|
| CLI reference | Commands, indexing flags, watch mode, configuration and shared stores |
| Environment variables · vector tuning | Runtime settings and search tuning |
| MCP reference | All tools, resources, examples, policies and response budgets |
| Editor setup | Supported integrations and manual configuration |
| Deployment | Docker, Render, image signatures and local frontend setup |
| Wiki generation | Model configuration and generated repository documentation |
| Runbook | Index recovery, embeddings and operational troubleshooting |
| Architecture · type resolution | How the indexer and resolution layers work |
| Type-resolution roadmap | Planned work and acceptance criteria |
Security and privacy
The CLI indexes code locally without an LLM. Optional remote embeddings, wiki generation and AI chat use the providers you configure. The web UI accesses the backend it connects to. Review security guidance and deployment authentication before exposing an index to other users.
Development
See CONTRIBUTING.md for setup and pull requests, TESTING.md for validation, and GUARDRAILS.md for repository rules.
Enterprise
GitNexus is available as an enterprise offering — fully managed SaaS or self-hosted deployment. Commercial use of the OSS version is also available with proper licensing.
Enterprise includes:
- PR Review — automated blast radius analysis on pull requests
- Auto-updating Code Wiki — always up-to-date documentation (Code Wiki is also available in OSS)
- Auto-reindexing — knowledge graph stays fresh automatically
- Multi-repo support — unified graph across repositories
- OCaml support — additional language coverage
- Priority feature/language support — request new languages or features
Upcoming: auto regression forensics · end-to-end test generation
👉 Learn more at akonlabs.com — for commercial licensing or enterprise inquiries, ping us on Discord or email founders@akonlabs.com
Community Integrations
Built by the community — not officially maintained, but worth checking out.
| Project | Author | Description |
|---|---|---|
| pi-gitnexus | @tintinweb | GitNexus plugin for pi — pi install npm:pi-gitnexus |
| gitnexus-stable-ops | @ShunsukeHayashi | Stable ops & deployment workflows (Miyabi ecosystem) |
| KiloCode MCP workflow | @oktanishq | Guide to connect GitNexus MCP to Kilo Code and verify tools. |
Have a project built on GitNexus? Open a PR to add it here!
License
PolyForm Noncommercial 1.0.0. Commercial licensing is available through akonlabs.com.
Acknowledgments
- Tree-sitter — AST parsing
- LadybugDB — embedded graph database with vector support (formerly KuzuDB)
- Sigma.js — WebGL graph rendering
- transformers.js — browser ML
- Graphology — graph data structures
- MCP — Model Context Protocol
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@mcp-useQuestions about gitnexus.
Indexes a codebase into a knowledge graph of symbols, calls and dependencies, so your coding agent can answer how code works, what a change will break and why a bug happens. Ask in plain language instead of grepping through files. Install it with the command on its page. It includes gitnexus-cli, gitnexus-debugging, gitnexus-exploring. Its skills do not fire on their own yet. Free and open source.
- What is gitnexus?
- Indexes a codebase into a knowledge graph of symbols, calls and dependencies, so your coding agent can answer how code works, what a change will break and why a bug happens. Ask in plain language instead of grepping through files.
- How do I install gitnexus?
- Run these in Claude Code: /plugin marketplace add abhigyanpatwari/GitNexus then /plugin install gitnexus@gitnexus-marketplace. Then prompt normally.
- Does gitnexus auto-invoke its skills?
- Not yet. It is indexed on Flowy as a plain plugin.
- Is gitnexus free?
- Yes. Flowy is free and open source, with nothing gated. You can read every skill in full before you install.
- Which coding agents can use gitnexus's skills?
- gitnexus installs in Claude Code, and its skills also install in Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and Windsurf with the skills CLI. Each skill's page has the install command. Flowy's auto-invocation, which fires a skill when your prompt matches, runs in Claude Code only.
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