Search: open-source
Search MCP servers and agent skills by name, description, category or topic — 42 results.
AgriciDaniel/claude-seo
Universal SEO skill for comprehensive website analysis and optimization
us/crw
fastCRW — open-source (AGPL-3.0), self-hostable Rust web crawler & search API for AI agents. Tools: `scrape`, `crawl`, `map`, and SearXNG-backed `search`. Single ~6MB static binary; reproducible 1K-URL benchmarks faster than hosted alternatives. Hosted MCP at [fastcrw.com/mcp](https://fastcrw.com/mcp) (Streamable HTTP, OAuth) or self-host.
opentabs-dev/opentabs
Plugin-based MCP server + Chrome extension that gives AI agents access to web applications through the user's authenticated browser session. 100+ plugins with a plugin SDK for building new ones.
LvcidPsyche/auto-browser
Open-source MCP-native browser agent with human takeover via noVNC, reusable auth profiles, and approval/audit rails. Playwright + FastAPI, Docker-based isolated sessions, stdio bridge for Claude Desktop and Cursor.
pab1it0/prometheus-mcp-server
Query and analyze Prometheus, open-source monitoring system.
TheLunarCompany/lunar
MCPX is a production-ready, open-source gateway to manage MCP servers at scale—centralize tool discovery, access controls, call prioritization, and usage tracking to simplify agent workflows.
Beever-AI/beever-atlas
Open-source LLM knowledge base for teams. 28-tool native MCP server turns Slack/Discord/Teams/Mattermost chat into a typed knowledge graph + auto-generated wiki with cited answers, semantic search, expert finding, and decision tracing. BYO LLM via LiteLLM, Apache 2.0, on-prem via Docker.
openaccountants/openaccountants
Open-source AI accounting skills, checked by licensed accountants jurisdiction by jurisdiction. 3 tools: list skills by country/category, get full skill content, and get individual sections. Skills teach AI agents tax computations (income tax, VAT, payroll) across 134 countries plus US states and Canadian provinces. Hosted at `https://www.openaccountants.com/api/mcp`.
QuackbackIO/quackback
Open-source customer feedback platform with built-in MCP server. Agents can search feedback, triage posts, update statuses, create and comment on posts, vote, manage roadmaps, merge duplicates, and publish changelogs.
adelinamart/robrain
Self-hosted decision memory for AI coding agents. Passively captures architectural decisions with the alternatives you rejected (structured `rejected[]`), then warns the agent before it re-proposes a rejected approach. Postgres + pgvector; cross-tool across Claude Code, Cursor, Copilot, and Codex. Install: `npx robrain up && npx robrain install`.
gebalamariusz/cloud-audit
Open-source AWS security scanner with attack chain detection, breach cost estimation, and copy-paste remediation (CLI + Terraform). 47 checks, 16 attack chain rules. First free standalone AWS security MCP server.
Snowflake-Labs/mcp
Open-source MCP server for Snowflake from official Snowflake-Labs supports prompting Cortex Agents, querying structured & unstructured data, object management, SQL execution, semantic view querying, and more. RBAC, fine-grained CRUD controls, and all authentication methods supported.
mastyf-ai/mastyf.ai
Open-source runtime security proxy for MCP. Transparently intercepts every tools/call through an 18-class attack defense pipeline (prompt injection, SSRF, shell injection, SQL injection, credential exfil, polyglot attacks) with a YAML policy engine and 304-entry adversarial corpus. Trust scoring for npm MCP packages with 0-100 badges. Cloud dashboard, Docker image, Python SDK. MIT.
yusong652/yade-mcp
MCP server for [YADE](https://yade-dem.org/) — open-source discrete element method (DEM) engine for granular and particle simulation. Browse API docs with BM25 search, execute code via synchronous REPL or async background tasks, monitor progress, and review task history.
alexey-pelykh/lhremote
Open-source CLI and MCP server for LinkedHelper automation — 32 tools for campaign management, messaging, and profile queries via Chrome DevTools Protocol.
datanika-io/datanika-core
Read-only-by-default MCP server for [Datanika](https://datanika.io), the open-source ELT + dbt platform: browse connections, preview data, run and compile dbt transforms, monitor runs, and manage pipelines. 25 tools; opt-in `--allow-write` enables create/trigger.
finlynq/finlynq
Open-source personal finance app with a first-party MCP server (54 HTTP / 89 stdio tools). Track and query income, expenses, budgets, investments, loans, subscriptions, and goals from any MCP client. OAuth 2.1 + DCR for hosted access, stdio for local. Per-user encryption at rest. Self-host with Docker + PostgreSQL or use the managed cloud.
cerebrixos-org/tuning-engines-cli
Domain-specific fine-tuning of open-source LLMs and SLMs with zero infrastructure. Specialized tuning agents deliver sovereign models trained on your data. Supports Qwen, Llama, DeepSeek, Mistral, Gemma 1B-72B. LoRA, QLoRA, full fine-tuning. Cost estimation, model management, S3 export.
gvasile29/qai-consultant
Keyless local MCP server bringing ISTQB / OWASP / IEEE / ISO / EU AI Act QA standards into your AI client: standards-grounded retrieval, deterministic QA effort estimation, and automated QA document quality review (0-100 rubric) plus JUnit/CSV test-results flakiness analysis. `uvx qai-consultant-mcp`
krystiangw/agenticpay
Open-source x402 micropayments stack for MCP. Pay-per-tool-call USDC settlement on Solana via the first open-source self-hostable facilitator (no x402.org dependency). Includes TypeScript SDK, CLI, paywall middleware, hosted devnet endpoint, and a live Claude Opus demo. `npm install @agenticpay/sdk`
nagameTW/mcp-server-malcolm
The first MCP server for [Malcolm](https://malcolm.fyi), the open-source network traffic analysis suite (Zeek + Suricata + Arkime + OpenSearch + NetBox). Gives AI agents structured, threat-hunting access: search and aggregate traffic, discover fields, query Suricata alerts, browse Arkime sessions, and resolve NetBox assets. Read-only by default; opt-in, audited write classes for alerts, tagging, h
sifter-ai/sifter
Structure any document, query it like a database. Open-source extraction engine that turns any document into typed, schema-defined records, queryable in natural language from Claude, ChatGPT, Gemini, or any MCP client.
izzzzzi/codewiki-mcp
MCP server for codewiki.google. Search repos, fetch AI-generated wiki docs, and ask questions about any open-source repository.
LWTlong/ai-dev-analytics
An open-source observability layer for AI coding. Silently tracks dev tokens/time and auto-codifies AI deviations into persistent project rules.
wisflux/docmost-local-mcp
MCP server for self-hosted [Docmost](https://docmost.com/) (an open-source Notion/Confluence alternative). Read and write spaces, pages, comments, and members from Claude, Cursor, or VS Code. Works on the free Community Edition. `npx -y @wisflux/docmost-local-mcp`
zsxh1990/pr-genius
Evidence-backed PR contribution advisor. 550+ case studies from 33 repos, 8 tools for merge probability analysis, pattern matching, and contribution strategy. `pip install prgenius-core`
capad-xyz/searchts
Keyless web access for AI agents: an escalating open-source unlocker (browser-fingerprint fetch → JS-render relay → stealth browser) reads bot-walled pages as clean Markdown, plus multi-provider web search with rank fusion, subtitles-first video transcripts, and page asset grabbing. No API keys; ships a reproducible benchmark.
tinqiao-oss/clawtouch-mcp
Physical USB HID keyboard/mouse control via a Raspberry Pi Pico 2 running open-source firmware. Exposes move, click, drag, type, key combos, and scroll as MCP tools for any MCP client. Genuine physical HID input on the standard driver path, with a `--mock` mode for hardware-free trials. `pip install clawtouch-mcp`
krimto-labs/krimto
Open-source team memory layer for AI coding agents. Markdown files in git as storage, a user→team→org hierarchy as the access primitive, and one cross-vendor MCP server (Claude Code, Cursor, Codex, Gemini CLI). Hybrid SQLite + sqlite-vec retrieval. Apache-2.0.
ejwhite7/brandkit-mcp
Expose a company's complete design system (colors, typography, logos, components, guidelines, CSS tokens) to AI tools via MCP. Auto-parses CSS / Markdown / PDF / SVG / fonts; supports `marketing` vs `product` contexts with shared overrides; ships 12 tools, 16+ resources under `brandkit://`, and 4 prompts; stdio + SSE + Streamable HTTP transports. Install via NPM: `npx -y brandkit-mcp serve`.
ysalitrynskyi/opn-mcp
Shorten links, read click analytics, generate branded QR codes, and manage links on opn.onl — the open-source, self-hostable URL shortener. Works with the hosted service or your own instance.
themesberg/flowbite-mcp
MCP server that provides AI assistance for an open-source UI framework based on Tailwind CSS
hileamlakB/PRIMS
A Python Runtime Interpreter MCP Server that executes user-submitted code in an isolated environment.
grovs-io/mcp
Deep linking, attribution, analytics, and campaign management for mobile apps with [Grovs](https://grovs.io) — an open-source, privacy-first alternative to Branch and AppsFlyer. 16 tools for creating links, tracking installs and revenue, and configuring app settings.
adityarya24/astro-skill
Open-source Vedic astrology engine and stdio MCP server — deterministic kundali, Vimshottari dasha (maha/antar/pratyantar), panchang, gochar + Sade Sati, ashtakavarga, guna milan, divisional charts, and 12-page Hindi janma patrika PDFs. Bundled Swiss Ephemeris, SQLite client storage, no API key.
OSOJDJD/deeplook
Free company research agent — 10 data sources, structured reports with bull/bear verdict in ~10 seconds. Stocks, crypto, and private companies.
sharozdawa/ai-visibility
Track brand visibility across ChatGPT, Perplexity, Claude, and Gemini. Visibility scores, sentiment analysis, competitor detection, and trend charts.
grahamrowe82/pt-edge
AI project intelligence MCP server. Tracks 300+ open-source AI projects across GitHub, PyPI, npm, HuggingFace, Docker Hub, and Hacker News. 47 MCP tools for discovery, comparison, trend analysis, and semantic search across AI repos, HuggingFace models/datasets, and public APIs.
poll-the-people/customgpt-mcp
An MCP server for accessing all of CustomGPT.ai's anti-hallucination RAG-as-a-service API endpoints.
apify/mcp-server-rag-web-browser
An MCP server for Apify's open-source RAG Web Browser Actor to perform web searches, scrape URLs, and return content in Markdown.
Castaldo-Solutions/mcp-vtenext
MCP server for VTENext CRM (open-source vtiger-based). Query, create and update opportunities and contacts via the WebService API. Available on npm as `@castaldosolutions/mcp-vtenext`.
idapixl/algora-mcp-server
Browse and search open-source bounties on Algora. 5 tools: list, search, filter by org/tech/amount, get top bounties, aggregate stats. No API key required.