Search: oss
Search MCP servers and agent skills by name, description, category or topic — 469 results.
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`.
openaccountants/openaccountants
371 tax classification skills across 134 countries
lyonzin/knowledge-rag
Local RAG system for Claude Code with hybrid search (BM25 + semantic), cross-encoder reranking, markdown-aware chunking, query expansion, and 28 MCP tools. Runs entirely offline with zero external servers.
king-of-the-grackles/reddit-research-mcp
AI-powered Reddit intelligence for market research and competitive analysis. Discover subreddits via semantic search across 20k+ indexed communities, fetch posts/comments with full citations, and manage research feeds. No Reddit API credentials needed.
qdrant/skills
Agent skills for Qdrant vector search, covering scaling, performance optimization, search quality, monitoring, deployment, model migration, version upgrades, and SDK usage across Python, TypeScript, Rust, Go, .NET, and Java
omega-memory/omega-memory
Persistent memory for AI coding agents with semantic search, auto-capture, cross-session learning, and intelligent forgetting. 28 MCP tools, local-first.
patsnap/patent-literature-search-mcp
Natural-language patent and scientific literature search across 200M+ patents and 216M+ papers from 170+ jurisdictions, with semantic/BM25 search, structured filters, and record retrieval. Hosted Streamable HTTP endpoint and Dockerized stdio bridge; requires a free Patsnap API key.
Higangssh/homebutler
All-in-one homelab management MCP server. Monitor system resources, manage Docker containers, Wake-on-LAN, scan networks, check open ports, and run alerts — across multiple servers via SSH. Single 10MB binary, zero dependencies.
talkstream/ru-text
Russian text quality: ~1,040 rules for typography, info-style, editorial, UX writing, business correspondence. Cross-platform: Claude Code, Codex CLI, Gemini CLI, Cursor.
Patdolitse/piia-engram
Persistent user identity across AI tools. Stores preferences, lessons, and decisions as local JSON; 13 core MCP tools share them with Claude Code, Cursor, Codex, and any MCP client. Knowledge governance (staging→verified), AES-256-GCM encryption, cross-tool sync. `pip install piia-engram`
dcostenco/prism-mcp
Zero-config persistent memory for AI agents with local SQLite. Mind Palace web dashboard, time travel (rewind/replay sessions), agent telepathy (cross-client memory sharing), code mode templates, morning briefings, and progressive context loading. 25 tools, 6 resources, 4 prompts.
sheawinkler/ContextLattice
Private-by-default memory and context layer for agents with Go/Rust runtime, staged retrieval across fused data backends, and long-horizon context continuity.
openai/screenshot
Capture desktop, app windows, or pixel regions across OS platforms
tsouth89/toolport
One local gateway and manager for all your MCP servers, shared across every AI coding tool (Claude, Cursor, VS Code, Codex, and more). Set up and authenticate each server once; lazy discovery keeps each agent's context small, and keys stay in your OS keychain. No Docker, no cloud.
nikolai-vysotskyi/trace-mcp
Framework-aware code intelligence that indexes source code into a cross-language dependency graph. Understands framework semantics — routes, ORM relations, component rendering, DI trees — for navigation, impact analysis, call graphs, refactoring, security scanning, and cross-session memory.
blackwell-systems/agent-lsp
Stateful MCP server over real language servers. 50 tools, 30 CI-verified languages, 20 agent workflows. Persistent sessions keep the index warm across files and projects. Speculative execution simulates edits in memory before writing to disk.
zilliztech/mcp-server-milvus
MCP Server for Milvus / Zilliz, making it possible to interact with your database.
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`.
MiniMax-AI/minimax-xlsx
Create, read, analyze, and validate Excel/spreadsheet files with zero format loss
Battam1111/Myco
Agent-first cognitive substrate with 18 manifest-driven verbs (germinate / eat / assimilate / sporulate / traverse / immune / molt / …) and 25 lint dimensions enforcing contract invariants mechanically (R1–R7). Cross-session / cross-project memory via a self-validating filesystem graph — AST + markdown-link derived, not embedding-based. Provider-agnostic by design: MP1/MP2 dims forbid LLM-SDK impo
kastelldev/kastell
Server security auditing and hardening toolkit. 413 security checks across 29 categories (SSH, Firewall, Docker, TLS, HTTP Headers), CIS/PCI-DSS/HIPAA compliance mapping, 19-step production hardening, fleet management, and forensic evidence collection. Supports Hetzner, DigitalOcean, Vultr, and Linode. 13 MCP tools.
emailens/mcp
Official MCP server for Emailens, the rendering linter for email. Lint HTML email for rendering issues across 15 clients (Gmail, Outlook, Apple Mail and more), score CSS compatibility 0-100 per client, simulate dark mode, and get framework-native fix snippets for React Email, MJML, and Maizzle. `npx -y @emailens/mcp`
serpapi/serpapi-mcp
SerpApi MCP Server for Google and other search engine results. Provides multi-engine search across Google, Bing, Yahoo, DuckDuckGo, YouTube, eBay, and more with real-time weather data, stock market information, and flexible JSON response modes.
runapi-ai/mcp
Unified AI model API for 130+ models across 18 providers. Browse models, check pricing, create image/video/music/audio tasks, poll results, check balance, and call LLM endpoints. Free catalog tools work without an API key. `npx @runapi.ai/mcp`
imdinu/apple-mail-mcp
Fast MCP server for Apple Mail — 87x faster email fetching via batch JXA and FTS5 search index for ~2ms body search. 6 tools: list accounts/mailboxes, get emails with filters, full-text search across all scopes, and attachment extraction.
PSU3D0/spreadsheet-mcp
High-performance, token-efficient spreadsheet analysis/editing (xlsx/xlsm) with region detection, structured reads, formula/style inspection, forking mechanics, and recalculation. Cross-platform.
rosenvladimirov/odoo-claude-mcp
Self-hosted MCP server suite for Odoo ERP (versions 15-19). 197+ tools across 8 federated MCP servers (odoo-rpc, GitHub, Portainer, OCA, Teams, filesystem). Multi-tenant Claude/Claude Code integration, browser-based xterm.js + tmux terminal, Qdrant + Ollama memory layer, Bulgaria localization (НАП, ДДС, ЕИК). Docker Compose + K3s/Kustomize deployment.
WenyuChiou/research-hub
Research workspace MCP integrating Zotero, Obsidian, and NotebookLM. Search papers (arXiv/Semantic Scholar/PubMed/CrossRef), ingest into Zotero, sync notes to Obsidian, verify NotebookLM briefs. All three external tools optional. `pip install research-hub-pipeline` then `research-hub serve`.
codeofaxel/Kiln
MCP server that lets AI agents drive real 3D printers end to end — design, slice, queue, monitor via camera, and recover from failures — across Bambu Lab, Creality, Prusa, Elegoo, and more over OctoPrint, Moonraker/Klipper, PrusaLink, and USB. AGPL-3.0, `pip install kiln3d`.
contextstream/mcp-server
Universal persistent memory for AI coding tools. Semantic code search, knowledge graphs, impact analysis, and decision tracking. 90.0% on LongMemEval-S. Works across Cursor, Claude Code, Windsurf, and any MCP client. `npx -y @contextstream/mcp-server`
max-ramas/rms-memory-mcp
Local-first persistent memory for AI coding agents. Hybrid vector + full-text search (LanceDB + Tantivy), separate Markdown and Tree-sitter code indexes, per-project isolated vaults shared across IDEs (Cursor, Zed, Claude Code, Codex), bounded recall with abstain-on-low-confidence.
arian-gogani/nobulex
Proof-of-behavior enforcement for AI agents. Define behavioral covenant rules (permit/forbid/require), enforce at runtime before execution, get SHA-256 hash-chained tamper-evident audit logs, and verify compliance independently. Cross-agent verification handshake — no proof, no transaction. MIT licensed, 4,244 tests.
YBSbarker/barker-stablecoin-skills
Real-time stablecoin yield index across DeFi protocols and CEX earn programs, with an AI yield advisor, risk signals and non-custodial deposit/redeem quotes for AI agents. Remote streamable-http at `mcp.barker.money/mcp`, x402 pay-per-call.
opgginc/opgg-mcp
Access real-time gaming data across popular titles like League of Legends, TFT, and Valorant, offering champion analytics, esports schedules, meta compositions, and character statistics.
drolosoft/immich-photo-manager
Turn your self-hosted Immich photo library into a conversation — natural language search via CLIP, geographic album curation from GPS data, cross-source duplicate detection with perceptual hashing, library health reports, and offline-ready interactive HTML galleries. Claude Code plugin with 21 MCP tools, 11 skills, and 5 slash commands.
xDarkzx/Reaper-MCP
AI-powered music production in REAPER through natural conversation - 173 tools across 26 modules covering transport, tracks, MIDI (insert/edit/quantize/humanize), mixing and FX (EQ, compression, sidechain, sends), tempo maps, markers/regions, ReaScript discovery/execution, and more.
BetaBots-LLC/callimachus
Local index and hybrid search (SQLite FTS5 + on-device vector KNN) over your AI coding-agent conversation history across 11 tools (Claude Code, Codex, Cursor, and more). Exposes `search_threads`, `search_current_project`, `recent_threads`, and `get_thread` so any agent can recall its own past work.
jmrplens/gitlab-mcp-server
Complete GitLab REST API v4 coverage with 1006 MCP tools across 162 domains, 42 meta-tools, 24 resources, and 38 prompts. Cross-platform Go binary with stdio and HTTP transports, OAuth support, auto-update, read-only and safe modes.
ccf/agentcairn
Local-first agent memory: a plain-Markdown Obsidian vault is the source of truth, with a rebuildable DuckDB index for hybrid BM25 + vector + graph recall. Non-lossy capture with secret redaction; works across Claude Code, Codex, Cursor, and any MCP host. `uvx agentcairn`
msaad00/agent-bom
AI supply chain security scanner with 18 MCP tools. Auto-discovers 20 MCP clients, scans dependencies for CVEs (OSV/NVD/EPSS/CISA KEV), maps blast radius from vulnerabilities to exposed credentials and tools, runs CIS benchmarks, generates CycloneDX/SPDX SBOMs, and enforces compliance across OWASP LLM Top 10, MITRE ATLAS, NIST AI RMF, and EU AI Act.
Sugra-Systems/sugra-api-mcp
Connector between LLM agents and world data - 1,500+ endpoints aggregating 160+ primary sources across 36 data domains: markets, macroeconomics, company fundamentals, government, news, climate, maritime, and entity screening. Install via `pip install sugra-api-mcp` or hosted at app.sugra.ai/mcp.
makeev/alphai-mcp
Real-time, AI-enriched financial news for trading agents: full-text & ticker search, trending and "actionable-now" feeds, SEC Form 4 insider transactions, and two-ticker read-across. Each story carries per-ticker analysis and a 1-10 relevance score. Hosted at mcp.alphai.io, OAuth, free 100 calls/hour.
FoundryNet/mint-mcp
MINT Protocol — universal work attestation for autonomous agents. Cryptographically attest, verify, rate, and discover agent work to build portable, on-chain trust and reputation across the agent economy. 6 tools.
reflex-search/reflex
Local full-text code search for AI coding agents. Trigram-indexed, sub-100ms queries across large codebases, offline, 18 languages.
markmhendrickson/neotoma
Deterministic state layer for AI agents. Stores versioned entities (contacts, tasks, transactions, decisions) with immutable observations, full provenance, and schema-first extraction. Local-first SQLite, cross-client memory across Claude, Cursor, ChatGPT, and OpenClaw. [Website](https://neotoma.io)
mission69b/t2000
Non-custodial DeFi banking for AI agents on Sui. 35 tools, 20 prompts for save, borrow, invest, exchange, send, pay — with auto yield optimization across NAVI, Suilend, and Cetus.
sgx-labs/statelessagent
Memory with provenance tracking — records where agent knowledge originated and detects when sources change. 17 MCP tools for session handoffs, decisions, semantic search, and knowledge graph. Works across Claude Code, Cursor, Windsurf, Codex CLI, and Gemini CLI. Single Go binary, SQLite + vector search, fully local.
EmblemCompany/Agent-skills
200+ crypto tools for AI agents across 7 blockchains (Solana, Ethereum, Base, BSC, Polygon, Hedera, Bitcoin). Swaps, DeFi yield, conditional orders, NFTs, cross-chain bridges, and market intelligence. Hosted MCP at `https://emblemvault.ai/api/mcp` with OAuth 2.0 + PKCE for one-line install in Claude Code, Cursor, Windsurf, and any MCP-compatible client. API key and x402 per-tool-call micropayments