Search: graph
Search MCP servers and agent skills by name, description, category or topic — 259 results.
Semiotronika/LINZA-MCP
Local-first review-gated sidecar for Markdown workspaces. Indexes notes and incoming artifacts into SQLite, proposes domains, links, memory, and growth cards with evidence, and keeps source files unchanged until explicit review. `pip install linza-mcp`
TheStack-ai/waypath
Local-first external brain CLI for coding agents. SQLite-backed context, graph-aware recall via FTS5 and RRF, and governed memory with explicit promote and review gates. Ships Codex and Claude Code host shims and a native MCP server.
cyntrisec/cyntrisec-cli
Local-first AWS security analyzer that discovers attack paths and generates remediations using graph theory.
mambalabsdev/mcp-domain-to-linkedin-url-resolver
Resolves a company domain or name to its LinkedIn company URL with confidence scoring and firmographic metadata.
Schubeler-Consulting/knowmind
AI agent memory and knowledge graph, hosted in Germany (GDPR-compliant). Hybrid recall (BM25 + vector + Neo4j graph hops with cross-encoder rerank), typed relations, and bi-temporal store across sessions via MCP. Works with Claude, ChatGPT, and Cursor. `npx -y knowmind mcp`
geowire/geowire
Location intelligence gateway across 10 providers (OpenStreetMap, OSRM, Google, Yelp, Foursquare, US Census, Kakao, Naver, Baidu, your own CSV): place search, geocoding, directions + distance matrices, travel-time isochrones, and commercial-area analysis (category density, ratings, demographics). Multi-provider merge + dedup with per-field provenance, cost budgets, and a policy engine that enforce
epistemedeus/ai-readiness
Check whether a website is visible to AI search (ChatGPT, Perplexity, Claude, Google AI Overviews). Scores AI-crawler access, JSON-LD structured data, title/meta, Open Graph, sitemap, and llms.txt, with a specific fix for each gap. Dependency-free, no API keys. Install: `npx -y github:epistemedeus/ai-readiness mcp`.
lizhuojunx86/chinese-history-mcp
Query 9 classical Chinese texts (pre-Qin to Wei-Jin: 史记/汉书/后汉书/三国志/左传/论语/孟子/吕氏春秋/资治通鉴) by event, person, modern place name, or virtue — every result cites 【book · chapter · paragraph】 with original-text evidence and an honest `review_status`. Zero-dependency stdlib stdio JSON-RPC.
tatavarthitarun/nowsecure-mcp-server
MCP server for NowSecure Platform mobile security testing. List applications, pull remediation findings via GraphQL, and generate PDF reports locally (bypasses broken UI export). Published as `nowsecure-mcp-server`. `npx -y nowsecure-mcp-server`
kannajune/mcp-architect
Gives any AI assistant real architectural understanding of a codebase: tech-stack overview, internal dependency graph with cycle detection, risk hotspots, and module summaries. Local, zero-config, no API keys. `uvx mcp-architect`.
AutomateLab-tech/ai-seo-mcp
AI-SEO / AEO / GEO audit MCP for any public URL. Scores schema.org coverage, robots.txt and llms.txt health, canonical and OpenGraph setup, and AI-citation likelihood; suggests rewrites tuned for Answer Engine and Generative Engine surfaces. No vendor keys, no crawls of private data. Install: `npx -y @automatelab/ai-seo-mcp`.
denismaggior8/enigma-python-mcp
A Model Context Protocol server that brings the capabilities of [enigmapython](https://github.com/denismaggior8/enigma-python) library to LLMs, allowing them to encrypt and decrypt messages using historically accurate Enigma machine emulators.
LS-SIEM-LLP/qa-probe
Probes your live API and classifies why each endpoint failed (root cause + evidence + calibrated confidence) over MCP, so your AI assistant debugs from evidence instead of guessing. Deterministic rules, no black box. Works with FastAPI, Express, Next.js, tRPC, and GraphQL. `npm i -g qa-probe`
bamwor-dev/bamwor-mcp-server
World geographic data for AI agents. 261 countries with 20+ statistics and 13.4M cities with population, coordinates, and timezone. Powered by Bamwor API.
GTCC777/pulsenetwork-mcp
One MCP server exposing 66 specialized intelligence APIs (660+ endpoints) — finance, crypto, legal, immigration, healthcare cost, real estate, tax, climate, sports, science, and more — each an x402 pay-per-call tool in USDC on Base and Solana. Includes a `discover` meta-tool over the whole network and a cross-vertical referral graph. No API keys. `npx mcp-pulsenetwork`
Hug0x0/mcp-reunion
96 tools across 21 modules for La Réunion (French overseas region) open data: economy, demographics, geography, transport, health, education, elections, tourism, housing, environment, and more. Powered by data.regionreunion.com and data.gouv.fr. Install: `npx -y mcp-reunion`.
MikhailHal/ariadne
Affected-test selection for Kotlin/Android projects: returns only the unit tests impacted by the current working-tree changes, so agents skip full test runs while iterating. Function-level static analysis via Kotlin Analysis API — call graph over functions, properties (initializers, delegates, accessors), constructors and callable references — with automatic multi-module and Android variant source
rascal-3/chainanalyzer-mcp
Multi-chain AML risk scoring and sanctions screening for AI agents. 76+ detection rules, ML anomaly scoring, and Neo4j graph analysis across Bitcoin, Ethereum, Polygon, Avalanche, and Solana. Pay-per-request via x402 USDC on Base or Solana ($0.003–$0.05). `npx chainanalyzer-mcp`.
ontorata/ratary
Persistent coding memory for AI assistants — hybrid search, knowledge graph, token-efficient context. MCP stdio (28 tools), npm `@ratary/mcp-server`, optional remote Streamable HTTP. Self-host D1, Postgres, MariaDB, or Docker.
entanglr/zettelkasten-mcp
A Model Context Protocol (MCP) server that implements the Zettelkasten knowledge management methodology, allowing you to create, link, and search atomic notes through Claude and other MCP-compatible clients.
nk3750/jitapi
Dynamic API discovery and execution from OpenAPI specs. Uses semantic search and dependency graphs to find relevant endpoints across multiple registered APIs, plan multi-step workflows, and execute API calls — without dumping entire specs into context.
flowzap-xyz/flowzap-mcp
Create workflow, sequence, and architecture diagrams using FlowZap Code DSL. 7 tools for validation, playground URL generation, syntax docs, graph export, artifact parsing, diffing, and patching. No API key required. Install via NPM: `npx -y flowzap-mcp`
donggyun112/keymem
Associative key-graph memory for LLM agents — recall by association, not vector similarity.
tactual-dev/tactual
Screen-reader navigation cost analyzer. Models real AT user effort with per-profile scoring, graph-based pathfinding, and step-by-step navigation traces.
vighriday/Veris
Behavioral verification intelligence for autonomous coding agents. Builds a behavioral graph of any TS/JS repo, clusters into 25 semantic workflows (Auth, Payments, Webhooks, Caching, Queue, etc.), detects drift, generates concrete adversarial probes (idempotency, retry storm, cache stampede, replay), emits per-workflow risk + confidence. 17 MCP tools. Local SQLite state. Zero cloud. MIT.
mcasdfgf/mcp-roo-memory
Persistent fractal graph memory for AI coding agents via MCP. Semantic vector search, hot/cold/archive context tiers, decision tracking, and Docker-based deployment with Qdrant.
APOGEOAPI/apogeoapi-mcp
Geographic data and live exchange rates: 250+ countries, 5K+ states, 150K+ cities, IP geolocation, and 161 currency rates in one MCP server. Requires `APOGEOAPI_KEY`.
goldmembrane/cleaner-code
AI code security scanner MCP server. Detects 9 categories of threats in AI-generated code (invisible Unicode, Trojan Source, homoglyphs, Glassworm steganography, rules file backdoors, dependency typosquatting, obfuscation) using static analysis plus CodeBERT deep learning. Runs locally, free tier.
mikusnuz/meta-mcp
Full-coverage MCP server for Instagram Graph API v25.0, Threads API & Meta platform — 57 tools for publishing, comments, insights, hashtags, DMs, and token management.
joelgombin/andre-mcp
French election results from 1999 to 2026 at polling-station level (55 elections), cross-referenced with INSEE socio-demographic data, elected representatives and official administrative boundaries. Electoral maps, vote-reserve analysis, cross-election panels and read-only SQL over DuckDB. Hosted, no auth, no install: `https://mcp.andre.vote/mcp`, also listed as a [hosted connector on Glama](https
forgemeshlabs/x402-notary-mcp
Cryptographic receipts for AI outputs: notarize any model inference with a signed Ed25519 attestation, sha256 content hash, and Merkle chain-anchor on Base or Solana. $0.001 per call via x402 USDC micropayments; verification is free and needs no wallet. Notarizes the hash, never your prompts. `npx -y @forgemeshlabs/x402-notary-mcp`
papersflow-ai/papersflow-mcp
Hosted MCP server by [PapersFlow](https://papersflow.ai) for academic research with 7 specialized AI agents and 474M+ papers from Semantic Scholar and OpenAlex. Literature search, citation verification, citation graph exploration, and autonomous deep research workflows.
MWGMorningwood/Central-Memory-MCP
An Azure PaaS-hostable MCP server that provides a workspace-grounded knowledge graph for multiple developers using Azure Functions MCP triggers and Table storage.
sanyambassi/ciphertrust-manager-mcp-server
MCP server for Thales CipherTrust Manager integration, enabling secure key management, cryptographic operations, and compliance monitoring through AI assistants.
pipepie/pipepie
Self-hosted webhook relay and tunnel with Noise NK encryption. 13 MCP tools to inspect requests, replay webhooks, trace AI pipelines, connect/disconnect tunnels, and manage subdomains. No tokens or passwords — the cryptographic handshake is the auth.
smythmyke/patent-search-mcp-server
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-r
rushikeshmore/CodeCortex
Persistent codebase knowledge layer for AI coding agents. Pre-digests codebases into structured knowledge (symbols, dependency graphs, co-change patterns, architectural decisions) via tree-sitter native parsing (28 languages) and serves via MCP. 14 tools, ~85% token reduction. Works with Claude Code, Cursor, Codex, and any MCP client.
penfieldlabs/penfield-mcp
Penfield: persistent memory with hybrid search (BM25 + vector + graph), 24 relationship types for knowledge graphs, context checkpoints for cognitive handoff, artifact storage, and personality system. Works across Claude, Cursor, Windsurf, and any MCP client.
tradallo/reputation
MCP server + TS client + CLI for the **Tradallo Verified Record Protocol**. Query cryptographically-verified human + AI-agent trading reputations: track records, agent version history, paginated Universal Trade Receipts, and on-chain Solana memo notarization lookup. Every response is JCS-canonicalized + ed25519-verified locally before returning. Install: `npx @tradallo/reputation`.
io.github.opsconduit/jobber-mcp
Customer-hosted, read-only MCP server for Jobber operations queries: owner action lists, overdue invoices, stale requests, estimates, jobs, and safe read-only GraphQL validation.
modelcontextprotocol/server-memory
Knowledge graph-based persistent memory system for maintaining context
jagan-shanmugam/mattermost-mcp-host
A MCP server along with MCP host that provides access to Mattermost teams, channels and messages. MCP host is integrated as a bot in Mattermost with access to MCP servers that can be configured.
besslframework-stack/project-tessera
Local workspace memory for Claude Desktop. Indexes your documents (Markdown, CSV, session logs) into a vector store with hybrid search, cross-session memory, auto-learn, and knowledge graph visualization. Zero external dependencies — fastembed + LanceDB, no Ollama or Docker required. 15 MCP tools.
inventer-dev/mcp-internet-speed-test
Internet speed testing with network performance metrics including download/upload speed, latency, jitter analysis, and CDN server detection with geographic mapping
andrewschreiber/desktopinsights-mcp
Look up SDKs, frameworks, and dependencies used by 12,000+ macOS and Windows desktop apps. Search by technology adoption, compare stacks, and discover SDK usage patterns via the Desktop Insights API.
sanyambassi/thales-cdsp-cakm-mcp-server
MCP server for Thales CDSP CAKM integration, enabling secure key management, cryptographic operations, and compliance monitoring through AI assistants for Ms SQL and Oracle Databases.
endiagram/mcp
Structural analysis for any system — 12 deterministic graph tools (topology, bottlenecks, blast radius, trace, diff, centrality) from EN syntax descriptions. No AI inside the computation. Install: `npx @endiagram/mcp`
ark-forge/arkforge-mcp
Third-party certifying proxy — sign any HTTP call (AI agents, webhooks, microservices) with an independent Ed25519 signature, RFC 3161 timestamp, and Sigstore Rekor anchor. Works with Claude, GPT-4, Mistral, LangChain, AutoGen, or any HTTP client.