Browse agents

AI-native ontology engineering with 39 tools and 5 prompts for OWL/RDF/SPARQL. Validate, query, diff, lint, version, and govern knowledge graphs via Oxigraph triple store.

Use GitHub Gists to manage and access your personal knowledge, daily notes, and reusable prompts. This acts as a companion to https://gistpad.dev and the [GistPad VS Code extension](https://aka.ms/gistpad).

and then search and retrieve relevant knowledge within an MCP client like Cursor, Windsurf or Cline.

Deliberative consensus engine enabling multi-round debate between AI models with structured voting, convergence detection, and persistent decision graph memory.

Persistent cognitive memory for Claude Code. Cloud-first with semantic search, AI-powered extraction, and project scoping. Zero local databases.

An MCP server that stores and retrieves memories from multiple LLMs using MongoDB. Provides tools for saving, retrieving, adding, and clearing conversation memories with timestamps and LLM identification.

An MCP server built on [markmap](https://github.com/markmap/markmap) that converts **Markdown** to interactive **mind maps**. Supports multi-format exports (PNG/JPG/SVG), live browser preview, one-click Markdown copy, and dynamic visualization features.

Semantic knowledge graph for Obsidian. Three modes (pure graph / semantic classification / strict hierarchy), local embeddings, sign classification via cosine similarity to user-defined cores, bottom-up core_mix aggregation, semantic bridge discovery, and drift detection. `pip install nouz-mcp`

Memory Consolidation for AI agents across vendors, owners, and time. Persistent memory, credibility-scored web search, browser fetch, and shared Commons pool under a stable `ltx_` key. Self-registration in one API call, no dashboard required. `npx lithtrix-mcp`

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.

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)

Durable hybrid memory for AI agents. Combines vector search, BM25, temporal retrieval, and optional Memgraph knowledge graph via reciprocal rank fusion. 6 MCP tools: health, search, answer, feedback, graph_query, graph_add_triple. Self-hosted with Qdrant backend. 82.5% strict accuracy on LoCoMo benchmark. `pip install 'mnemostack[mcp]'`

Persistent agent memory via filesystem-native consolidation daemon. Agents read/write/search memory through MCP; a background daemon handles consolidation and extraction. Works with Kiro, Claude Desktop, Cursor, and any MCP client. `npx mcp-agent-memory --setup`

Versioned, structured memory for AI agents. Stores facts as keypaths with full version history, automatic conflict detection, and O(1) token retrieval.

Two-tier memory with hot cache (instant injection) and cold semantic search. Auto-promotes frequently-used patterns, extracts knowledge from Claude outputs, and organizes via knowledge graph relationships.

AgentBase: open registry of agent instruction files for AI agents. Search and retrieve system prompts, skills, workflows, domain packs, and safety filters via MCP tools. 44 files, CC0-licensed, free.

MCP server for Mendeley reference manager. Search your library, browse folders, get document metadata, search the global catalog, and add papers to your collection.

Visual explorer for [MCP Memory Service](https://github.com/doobidoo/mcp-memory-service) SQLite-vec databases. Browse, search, filter, edit memories with dashboard, timeline, UMAP projection, semantic clustering, duplicate detection, and association graph.

Retrieve context from your [Ragie](https://www.ragie.ai) (RAG) knowledge base connected to integrations like Google Drive, Notion, JIRA and more.

Persistent memory layer for AI agents with entity resolution, PII detection, AES-256-GCM encryption at rest, and hybrid search. 100% on LoCoMo benchmark. Self-hosted.

LLM-driven context and memory management with wide-recall + precise-reranking RAG architecture. Features multi-dimensional retrieval (vector/timeline/knowledge graph), short/long-term memory, and complete MCP support (HTTP/WebSocket/SSE).

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.

Local-first semantic search over library docs. Single Go binary, MCP stdio, vector index pinned to the binary version. Like Context7 with the internet off. Pre-built index DB auto-fetched on first launch and SHA256-verified, then zero network. Also available as `docker run --rm -i ghcr.io/laradji/deadzone server`. Listed in the official MCP Registry as `io.github.laradji/deadzone`.

Memory manager for AI apps and Agents using various graph and vector stores and allowing ingestion from 30+ data sources

Your AI agents' home directory — privacy-first MCP server for portable AI identity. Configure once, use everywhere. It supports profile management, skills, resume import, and team sync.

Save and query your agent memory in distributed way by Membase

Built for AI Agents to manage Long Term Memory

Persistent 4-tier AI memory (episodic, semantic, project, procedural) with temporal scoring, contradiction detection, entity tracking, and real-time desktop visualization orb.

Persistent local memory for Claude Code. Indexes every session JSONL verbatim into SQLite + ChromaDB for semantic recall (~126ms) across your entire history. Never summarizes, zero API calls, 17 MCP tools including fuzzy `recall`, deterministic `replay_file`, and git-aware `recall_project_status`. Published on PyPI as `longhand` and registered in the MCP Registry.

Git-native project memory for coding agents: Markdown source of truth committed to your repo, reviewable staged updates (`review --diff` → `apply`), secret/PII-safe, branch-aware — no cloud, no vector DB.

Inspectable memory substrate for Claude Code. Three read-only MCP tools (search_pairs, compact_session, substrate_info) over a local-first, signal-scored parse of `~/.claude/projects/`. Per-pair scores are numpy columns on disk, not opaque vectors in a service. Zero outbound calls (CI-enforced).

MCP server for the RegIntel API: structured regulatory data across 41 jurisdictions and 212 regulations (GDPR, MiCA, DORA, SEC, FINRA, FCA, APRA, ASIC, MAS). Tools for search, lookup, recent updates, and compliance checks.

State legislative intelligence for AI agents. Speaker-attributed hearing transcripts, bills, votes, and AI-generated reports from US state legislatures. Remote server at mcp.gavelin.ai/mcp.

Patent intelligence and prior-art research for the AI Patent Search Generator. Eleven tools: full patent dossier (bibliography, claims, citations, family, classifications, examiner stats); USPTO prosecution-history file wrappers; AI Office Action analysis (rejection grounds, cited prior art, suggested response arguments); Boolean query generator; multi-strategy patent search (telescoping / onion-ring / faceted); similar-document ranking; citation graph (backward + forward, examiner-cited flagged); family lookup; and CPC classification lookup. Install: `npx -y patent-search-mcp-server`.

Go-based MCP server for Pumperly fuel price comparison. Query gas station prices, plan fuel-efficient routes, and find nearby EV charging stations. Docker image available.

Look up IP address geolocation, network information, detect proxies and VPNs, and find abuse contact details using IPLocate.io

Global postal code lookups, validation, and city search for 240+ countries with timezone, admin region, and elevation metadata. Sub-10ms responses at $0.000028/query with 1,000 free queries on signup.

Open-source CLI and MCP server for LinkedHelper automation — 32 tools for campaign management, messaging, and profile queries via Chrome DevTools Protocol.

Competitive intelligence platform with 24 tools. Monitor competitor pricing, content, positioning, tech stacks, and AI visibility — track how ChatGPT, Claude, and Gemini rank your brand.

MCP server acting as an interface to the Facebook Ads, enabling programmatic access to Facebook Ads data and management features.

42 local SEO tools for AI assistants. SERP tracking, Google Business Profile data, review monitoring, keyword research, citation audits, geogrid rank scans, AI visibility scoring, and competitive analysis. Install: `npx @localseodata/mcp-server` or connect to the hosted endpoint at `mcp.localseodata.com`.

Comment moderation and intelligence for any article: bot/spam detection, multilingual sentiment analysis, and Influence (constructive comment generation on paid tiers). Free tier: 1,000 comments, no credit card.

Email discovery, verification, and enrichment tools. Find email addresses, verify deliverability, enrich contact data, discover authors and LinkedIn profiles, validate phone numbers, and analyze technology stacks.

AI infrastructure cartographer & MCP server: fingerprints, graphs, and watches the live infrastructure an agent can reach (Docker, Kubernetes, cloud, IaC) and detects incidents.

Go-based MCP server that bridges any GenieACS (TR-069 ACS) instance, exposing device data, firmware management, and CPE actions (reboot, parameter refresh, firmware download) over JSON-RPC. Docker image available.

MCP-native agent evaluation and observability server with trace logging, output quality evaluation, cost tracking, 12 built-in eval rules, real-time dashboard, and PII detection.

Internet speed testing with network performance metrics including download/upload speed, latency, jitter analysis, and CDN server detection with geographic mapping

Raygun API V3 integration for crash reporting and real user monitoring

Real-time cost observability for MCP tool calls. Transparent proxy auto-detects every MCP client (Claude Desktop, Cursor, Windsurf, VS Code, Claude Code, Zed, Continue.dev, Cline, Goose) and attributes spend per tool, per project, per end-customer. `npx @mcpspend/proxy add` install. Free tier 25K calls/month, no card. MIT proxy on npm. EU-hosted, GDPR-ready.

An MCP server for querying Grafana Loki directly with a discovery-first workflow — labels, values, series, and LogQL queries without requiring Grafana.

ThinkNEO Control Plane — Enterprise AI governance MCP server with runtime guardrails, observability, AI FinOps, and agent lifecycle control.

An MCP server that allows querying Loki logs through the Grafana API.

Provides comprehensive integration with your [VictoriaMetrics instance APIs](https://docs.victoriametrics.com/victoriametrics/url-examples/) and [documentation](https://docs.victoriametrics.com/) for monitoring, observability, and debugging tasks related to your VictoriaMetrics instances

One tool surface for music, image, video, and audio generation across Suno, Grok Imagine, Seedance, Kling, Hailuo, Wan, VEO, Ideogram, and GPT Image 2. Generate, edit, upscale, reframe, and master through one API key and one credit pool. First key includes free credits, no card required. `npx -y @aetherwave-studio/mcp`

Generate presentation PDFs, narrated videos, and MP3 audio from Markdown. Free tier requires no API key or local install — add a URL to your IDE config and start generating. Paid tier adds video, audio, async jobs, and account tools.

Convert raster images (PNG/JPG/WEBP/TIFF) to SVG vector format. Single tool, accepts base64 or URL input; runs locally via `uvx image2svg-mcp` or as a Docker HTTP server.

Convert files (DOCX, XLSX, PPTX, images…), HTML, and Markdown to pixel-perfect PDFs via the FileToPDF API. Returns the PDF as an embedded resource or saves it to disk. Runs via `npx filetopdf-mcp` or a hosted Streamable HTTP endpoint; free API key in one click.

AI media generation (Flux, Veo, Suno) with cost control. Pre-commit pricing, budget enforcement, reserve-burn-refund billing.

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`

Full-resolution vision for LLMs. Tiles large images and captures web pages via Chrome CDP so vision models process every detail without downscaling. Generates interactive HTML tile previews. Supports Claude, OpenAI, Gemini presets with per-model token math and entropy-based tile classification.

Generates app icons, favicons, OG images, logos, and wordmarks. Routes each request across 30+ image models. Runs without an API key via Cloudflare Workers AI, NVIDIA NIM, HuggingFace, or Stable Horde. Three modes: inline SVG, external prompt-only, or full API. Validates contrast, OCR text accuracy, and palette before returning.

GNOME desktop automation for AI agents. 30 tools via D-Bus: screenshots, window management, mouse/keyboard injection, clipboard, workspaces, and system notifications. Works on any GNOME 45–49 Linux desktop.

Windows desktop automation for LLM agents with entity-based actions instead of coordinate-only clicking. Uses UIA, CDP, screenshots, keyboard/mouse/clipboard, and terminal control, plus entity leases, verified delivery, causal context, and interaction memory to reduce silent UI automation failures.

Software estimation server for AI agents: PERT, COCOMO II, Monte Carlo, sprint forecasting, token-to-time and cost mapping, and schedule-risk tools.

[Framedeck](https://framedeck.app) is a Kanban content production manager for YouTube, Instagram, TikTok and Podcast creators. 32 tools for managing productions, stages, frames (cards), checklists, comments, and labels. Ideas land in an Idea Pool and graduate into full productions with stages (Idea → Scripting → Filming → Editing → Published). All tools ship with MCP safety annotations. `npx framedeck-mcp`

Search scientific papers with structured experimental data extracted from full-text studies. Returns 25+ fields per paper including methods, results, sample sizes, and quality scores. 50 free searches, then $0.01/result.

Search and fetch research datasets across Zenodo, DataCite (Dryad/Figshare/Dataverse/OSF), NCBI omics (GEO/SRA/BioProject), and literature (PubMed/OpenAIRE) behind one normalized model — DOI deduplication, NCBI-Taxonomy synonym expansion, paper→data linking, and checksum-verified download. `uvx data-aggregator-mcp`.

Semantic search over 600k+ CS/AI papers with citation-graph traversal, full-text extraction, embeddings, and BibTeX export. Works anonymously or with a free key. Install: `npx scholar-feed-mcp init`.

MCP server for [ITASCA PFC](https://www.itascacg.com/software/pfc) discrete element simulation — browse documentation, execute scripts, capture plots, and manage long-running tasks via a WebSocket bridge to the PFC GUI.

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.

Local-first web scraping, search, and crawling. Static pages extracted locally via trafilatura; optional Firecrawl fallback only when JS rendering is needed. Four tools: scrape, search (DuckDuckGo), map, crawl.

What LLMs cite, for agents. Check which URLs Perplexity, Claude, ChatGPT, Gemini, Bing, and Google AI Overviews cite for any query. Self-hosted, BYO API key. Install via `npx @automatelab/citation-intelligence`.

Multi-provider search broker with automatic fallback, RRF ranking, content extraction, and budget enforcement.

A comprehensive MCP server that enables LLMs to explore and interact with the Fediverse through ActivityPub protocol. Features WebFinger discovery, timeline fetching, instance exploration, and cross-platform support for Mastodon, Pleroma, Misskey, and other ActivityPub servers.

Crawl, embed, chunk, search, and retrieve information from datasets through [Trieve](https://trieve.ai)

Full domain lifecycle management: availability checking (zero config), registration, DNS, SSL, email auth (SPF/DKIM/DMARC), and WHOIS across Porkbun, Namecheap, GoDaddy, and Cloudflare. 21 tools.

Collection of B2B sales intelligence MCP servers. Includes website analysis, tech stack detection, hiring signals, review aggregation, ad tracking, social profiles, financial reporting and more for AI-powered prospecting by [Ekas](https://ekas.io/)

AI-powered domain brainstorming, analysis, and availability checking via AgentDomainService.com. Generate creative domain names from descriptions, get AI scoring for brandability/memorability, and check real-time availability with pricing. No API keys required.

Extracts clean web content for RAG and provides Q&A about web pages.

MCP server for MinerU document parsing API. Parse PDFs, images, DOCX, and PPTX with OCR (109 languages), batch processing (200 docs), page ranges, and local file upload. 73% token reduction with structured output.

Extract timestamped YouTube transcripts, plus search, video metadata, and related-video tools for Claude, Cursor, Windsurf, and AI agents.

Specialized MCP server for cryptocurrency project documentation management with multi-blockchain support (Ethereum, BSC, Polygon, Solana).

Official MinerU document parsing MCP ([mineru-open-mcp](https://pypi.org/project/mineru-open-mcp/) on PyPI). Converts PDFs, doc/docx/ppt/pptx, images, and spreadsheets to Markdown via the [MinerU](https://mineru.net) API; free Flash mode without an API key (about 20 pages per file); optional `MINERU_API_TOKEN` for higher limits.

Multi-source search across code registries (GitHub, npm, PyPI), academic indexes (arXiv, Semantic Scholar), social platforms (HN, Reddit, X), and community blogs (Dev.to, Hashnode, Qiita, Zenn). Parallel fetch with structured JSON output. `npx -y scout-cli`.

Interact with [WebScraping.ai](https://webscraping.ai) for web data extraction and scraping.

License-first federated image search across 25 providers. Returns open/platform/editorial license tags, attribution strings, dimensions, and download-ready URLs via `npx -y getwebfetch-mcp`.

Querying network asset information by ZoomEye MCP Server

MCP bridge for [PDF Content Search](https://store.juergenkoller.software/en/apps/pdf-content-search) — full-text PDF search with Apple Vision OCR across thousands of documents in under a second. Advanced filters (date, category, sender, amount), wildcards, boolean operators.

Cross-repository code knowledge graph MCP server for Java, Kotlin, JavaScript, and TypeScript. Indexes source into embedded KuzuDB via tree-sitter; 30+ tools for call-flow tracing, multi-hop taint analysis (OWASP/CWE/PCI/STIG reports), entry-point reachability filtering, performance hotspot detection, and license compliance — without reading source files. 95% fewer tokens vs source-reading baseline. `pip install orihime`

Cryptographic provenance, bilateral blind reputation scoring, and tamper-evident logging for AI agent interactions. 7 interlocking trust protocols (CoC, ARP, ASA, AJP, ALP, AMP, CWEP) available in Python (pip) and TypeScript (npm). 663 tests. Bitcoin-anchored provenance chains, anti-Goodhart reputation scoring, machine-readable contracts, dispute resolution, lifecycle management, trust-weighted matchmaking, and context-window cost allocation. Also on [Smithery](https://smithery.ai/server/@alexfleetcommander/agent-trust-stack-mcp) and [PyPI](https://pypi.org/project/agent-trust-stack-mcp/).

URL intelligence for AI agents. 13 tools for security signals and data quality: redirect behaviour, brand impersonation detection, domain age, SSL validation, parked detection, URL structural analysis, DNS enrichment.

Zero-knowledge password manager with MCP credential gateway. BIP-39 seed phrase recovery, deterministic passwords, policy-gated AI agent access (scope, rate limits, time windows, step-up approval), 70+ API key providers, and hash-chain audit trail. Go + Next.js + TypeScript.

Solvitor MCP server provides tools to access reverse engineering tools that help developers extract IDL files from closed-source Solana smart contracts and decompile them.

MCP audit server for agent discovery and certification. Provides trust and payment rail for AI agents including identity verification, escrow, settlement, and reputation management.

Agent OS MCP server for AI agent governance with policy enforcement, code safety verification, multi-model hallucination detection, and immutable audit trails.

MCP server for dnstwist, a powerful DNS fuzzing tool that helps detect typosquatting, phishing, and corporate espionage.

MCP server for querying the Shodan API and Shodan CVEDB. This server provides tools for IP lookups, device searches, DNS lookups, vulnerability queries, CPE lookups, and more.

MCP server for querying the VirusTotal API. This server provides tools for scanning URLs, analyzing file hashes, and retrieving IP address reports.

Dead code detection, security scanning, and code quality analysis for Python, TypeScript, and Go. 98% recall with fewer false positives than Vulture. Includes AI-powered remediation.

AI agent identity, trust, and audit trail infrastructure. 17 MCP tools: register agents with Ed25519 keypairs, check permissions (sub-5ms), emit tamper-evident audit events, verify trust scores (0-100), delegate credentials, and manage ephemeral agents. IETF Internet-Draft filed (draft-vorim-vaip-00). Works with LangChain, OpenAI, CrewAI, Stripe ACP, and 4 more frameworks. `npx @vorim/mcp-server`.