Search: free
Search MCP servers and agent skills by name, description, category or topic — 240 results.
piiiico/proof-of-commitment
Supply chain risk scoring for npm, PyPI, Cargo, and Go packages. 9 tools for behavioral trust signals — publisher depth, release consistency, maintenance patterns. Both axios and node-ipc scored CRITICAL before they got attacked. Free CLI, CI gate, REST API. No API key required.
yessGlory17/job-verify
Check whether a recruiter or job offer is a scam before you reply. Extracts entities (company, links, email, phone, wallets) from a pasted message and cross-checks company registration, domain age, look-alike/typosquat domains, phishing & malware blocklists, email deliverability, crypto-scam databases, and Internet Archive history — free OSINT, no API keys.
scavio-ai/scavio-mcp
Unified real-time search API for AI agents. Google, YouTube, Amazon, Walmart, Reddit, and TikTok through one endpoint. 21 tools for web search, e-commerce, product data, social media, and video platforms. Free tier included.
Zhonghao1995/Agentic-MIKE-Plus
MCP server (10 tools) for a headless, natural-language DHI MIKE+ urban-water modelling workflow: model inspection, parameter read/edit, headless simulation runs with parsed QA status, `.res1d` results reading, and plotting (hydrographs, time series, network maps). Read/plot is license-free; run/edit need Windows + a MIKE+ 2026 license. Works with Claude Code, Codex, OpenClaw, and Hermes.
Vaquill-AI/canlii-mcp
Canadian case law and legislation metadata via CanLII. Bring-your-own free CanLII API key. Hosted endpoint at canlii-mcp.vaquill.ai. MIT.
OctoTrip/rental-cars
Free rental car search with real-time pricing from multiple providers worldwide. No API key required. Hosted at mcp.octotrip.app.
sebastienrousseau/rlg
Log-stream tools for on-call / SRE agent workflows** — expose `rlg` (RustLogs) log files as MCP tools. Three tools: `tail_log` (last N events, filtered by level/target), `filter_log` (JSON-path-style predicates), `summarize_errors` (grouped error taxonomy). Speaks JSON-RPC 2.0 over stdio; near-lock-free structured logging engine underneath (65k-slot ring buffer, 14 output formats, `os_log`/`journa
aadilr/changethisfile-mcp
Free file conversion between 690+ formats. Tools: `convert_file` (URL or base64 in → signed download URL out) and `list_conversions`. Covers image, video, audio, document, data, font, ebook, and archive formats. No auth or signup required; remote streamable-HTTP endpoint available (see README).
babyblueviper1/invinoveritas
Lightning-native AI reasoning, decisions, persistent memory, and agent marketplace for autonomous agents. Pay-per-use via Bitcoin Lightning. Register free — 250 starter sats. Agents earn sats selling services (seller keeps 95%), DM each other, and run autonomously. `npm install invinoveritas-mcp`
Grinv/steam-games-mcp
Search Steam's store/catalog (deals, reviews, Steam Deck/SteamOS/Machine/Frame compatibility) with no API key, plus player profiles, libraries, achievements and friends via the official Steam Web API (free key).
dhamma-seeker/tripitaka-mcp
Search, cite, and compare the Pāli Canon (Tipiṭaka) — full coverage at parity with SuttaCentral (~444K segments across Sutta, Vinaya, Abhidhamma). Hybrid trigram+vector search, full-sutta fetch with cross-reference URLs (SuttaCentral + 84000.org), segment-aligned translation comparison, and Pāli word lookup against the P. A. Payutto dictionary. Free, non-commercial — offered as Dhamma Dāna. Hosted
SoapyRED/freightutils-mcp
17 freight calculation and reference tools — ADR dangerous goods, HS codes, LDM/CBM/chargeable weight calculators, duty estimation, airline codes, UN/LOCODE, and more. Free REST APIs + MCP server.
grahammccain/chart-library-mcp
Historical stock chart pattern intelligence for AI agents. 24M pre-computed embeddings across 15K stocks and 10 years of data. Search by ticker+date or screenshot to find the most similar historical patterns and see what happened next. 19 tools including pattern search, forward returns, regime analysis, and trade simulation. Install: `pip install chartlibrary-mcp`. Free tier: 200 calls/day.
mohitbadwal/ringback
Lets the LLM reach you on your phone: live, interruptible voice calls and tiered alerts, using free self-hosted pieces (SIP via pjsua2/Linphone + whisper.cpp STT + macOS say TTS). No paid telephony, no extra API key for the conversation.
foldwork-dev/mcp-injector
Local MCP daemon that pre-indexes your codebase into a SQLite catalog and serves AST-compressed snapshots to Claude Code, Cursor, and VS Code on every query. Reduces token usage by 41-89% on real codebases (verified across Django, Tokio, Gin, and more). Single Go binary, zero config. Free for codebases under 100K lines.
whdrnr2583-cmd/koreanpulse
English-first Korean equity intelligence — real-time DART filings, foreign-holder 5%-rule flows (BlackRock / Vanguard / Norges / GIC + 16 more), Korean activist filings (KCGI / Align / ValueAct / Elliott), and KRX industry news, translated to English. Free public daily snapshot at koreanpulse.dev/today; OSS self-host (AGPL-3.0).
DIALLOUBE-RESEARCH/hypernatt-terminal
BTC Decision Terminal for AI Agents — live vault-backed signals, on-chain proof, cross-chain swap. MCP server hosted at https://hypernatt.com/mcp/protocol. Verify in real time. Mimo BTC/USDC vault on Hyperliquid. 11 MCP tools: free manifest + Li.Fi swap + NDAT; paid Decision Core via x402 $0.01 USDC on Base. Quickstart: https://github.com/DIALLOUBE-RESEARCH/hypernatt-terminal/blob/main/docs/quicks
cipherfoxie/sovereign-mcp
MCP for the [Sovereign AI Blog](https://sovgrid.org), a hands-on engineering log of self-hosted AI on NVIDIA DGX Spark (GB10/SM121A). 44+ articles covering SGLang, Mistral, Voxtral, OpenClaw. Three tools: full-text search, article retrieval, and SGLang config validator for GB10 hardware. Free, no auth, no client-side tracking. `https://mcp.sovgrid.org/self-hosted-ai?ref=awesome-mcp`
OrbiAds/Orbiads-GAM-MCP
Hosted Google Ad Manager MCP server for Claude, ChatGPT, Gemini, and Codex. 200+ tools across campaign management, line items, creatives (image/video/HTML5/native), interactive reporting, inventory exploration, and ad-ops compliance audits. OAuth on-behalf-of-user, GAM API v202602. Free trial at [orbiads.com](https://orbiads.com) — 5 credits, no credit card.
comparedge/mcp-server-comparedge
Verified SaaS, AI, and LLM pricing for 490+ tools: plans, hidden costs, alternatives, and comparisons. Free, no API key.
azmartone67/dchub-mcp-server
Data-center, power & gas intelligence MCP server. 33 tools covering 21,000+ data-center facilities (170+ countries), 232 US power markets scored by the DC Hub Power Index (DCPI), 2,000+ tracked M&A deals, ISO grid telemetry (PJM, ERCOT, CAISO, MISO, SPP, NYISO), fiber routes, and energy pricing. Free to cite (CC-BY-4.0).
cahthuranag/mcp-server
AllRatesToday currency exchange rates: real-time mid-market rates for 160+ currencies (Reuters/Refinitiv), historical data (1d/7d/30d/1y), currency list, and multi-target lookups. Free tier, no key needed for the simple-rate endpoint. Install: `npx @allratestoday/mcp-server`.
cachly-dev/cachly-mcp
Persistent AI memory brain for Claude Code, Cursor, Copilot, Windsurf, Cline & Zed. `session_start()` briefs your AI on last session, lessons, and open tasks in one call. 84 tools — Team Brain, semantic BM25+ search, Team Telepathy, Ambient Git Learning, Memory Crystals, Analytics, and managed Valkey/Redis. `npx @cachly-dev/init` — free tier, no credit card. [Website](https://cachly.dev)
alfredoizdev/contextforge-mcp
Persistent memory for Claude Code, Cursor, and GitHub Copilot via MCP. Semantic search, Git commit/PR sync, project-based organization, team collaboration. Free tier available. `npx contextforge-mcp`
xyver/daedal-map
Geographic data packs for disasters, FX rates, and global indicators. New geospatial data packs weekly. Free and x402-paid execution lanes via MCP and HTTP API.
RoscoNL/intodns-mcp-server
Free DNS and email security scanner for AI assistants. DNS, SPF, DKIM, DMARC, DNSSEC, MTA-STS, BIMI, TLS/STARTTLS, FCrDNS, CAA, TLSA/DANE, blacklist and full-deliverability checks, plus security-header/CSP analysis and bookmarkable report snapshots, via the IntoDNS.ai API. No signup or API key. `npx intodns-mcp`
beeswaxpat/chronoverify-mcp
Verify a photo's capture time and provenance before an agent trusts it: cryptographic C2PA Content Credentials validation against the official trust lists, EXIF and XMP consistency checks, and classical pixel forensics fused into one typed verdict with a 0 to 100 confidence. Free keyless tier, opt-in shareable verdict permalinks, and key-gated signed PDF audit reports. Provenance validation, not a
Declade/lucairn-sdks
Privacy-preserving AI gateway. Sanitises PII (German + English; Microsoft Presidio + custom recognisers) before prompts reach Anthropic / OpenAI / your LLM, then emits a signed cryptographic certificate per call (Ed25519 + RFC 3161 timestamp + Sigstore Rekor anchoring). EU GDPR + AI Act ready. Free tier 500 calls/month, BYOK. Install: `npx -y @lucairn/mcp-server`. Docs: https://lucairn.eu/develope
astroway/astroway-mcp
Comprehensive astrology MCP exposing every endpoint of the AstroWay Calculation API — natal charts, synastry, transits, Vedic dashas (Vimshottari, Yogini, Ashtottari, Kalachakra), 16 Vargas, Tarot (Rider-Waite-Smith / Marseille / Lenormand), Numerology (5 systems), Human Design, AI horoscopes. Sub-arcsecond Swiss Ephemeris precision, 10 000 free credits/month. Install: `npx @astroway/mcp`.
lumifyai/lumify
Agent-ready sports intelligence: schedules, live scores, odds, betting splits, and explainable bet confidence via hosted MCP (`https://lumify.ai/mcp`) or `npx -y @lumifyai/mcp`. Free instant key, no signup.
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`
memebo-at/memeboat-mcp
Create real, shareable memes from 25,000+ templates on [memebo.at](https://memebo.at). Search the catalog, caption a template, get a live meme URL back. Free, anonymous, no API key. Remote server at `https://memebo.at/mcp` or `npx -y memeboat-mcp`.
bodyegypt/lobbyvoices-mcp
Official remote MCP server for [Lobby](https://lobbyvoices.com/developers), an AI receptionist for small businesses. Seven free no-auth tools: write business phone scripts and IVR menus (English + Mexican Spanish), generate ElevenLabs agent system prompts, calculate missed-call cost, get a hire-a-receptionist verdict, role-play a call against the live receptionist engine, and get a real demo numbe
chrassy/klanex-mcp
Reliable async execution for agent tool calls: schema-gate hallucinated payloads before they run, absorb rate limits and outages with retries/backoff/circuit breakers, idempotency keys, human approval gates, encrypted credentials, replay, and signed-webhook results. Errors come back with an `llm_hint` the agent can self-correct from. Hosted remote (`api.klanexai.com/mcp`, free sandbox) or `npx -y
Regan-Milne/obsideo-mcp
Encrypted S3-compatible object storage with continuous cryptographic possession proofs. In-conversation signup (12 GB free), put/get/ls/rm/usage, optional client-side encryption; credentials stay on your machine.
vibecodebeast/swath-mcp
Radar-verified hail/wind storm detection and affected-property intelligence for the continental US — NOAA MRMS swath detection, per-address storm history, area monitors with webhook + email alerts, emailed reports, and swath maps. Hosted Streamable HTTP endpoint at `https://swathapi.com/mcp` (9 tools, free tier).
shieldly-io/mcp
Official [Shieldly](https://www.shieldly.io) MCP server: `analyze_iam_policy` and `analyze_cloudformation_template` tools flag AWS IAM privilege-escalation paths, wildcards, and over-permissive access. Free demo mode, no signup or API key needed. `npx -y @shieldly/mcp`.
trustscoreagent/trustscoreagent
Check the reputation of an AI microservice or public API *before* calling it, and submit ratings afterward — from a free, open trust registry (no account or API key). Scores combine Bayesian reputation and EigenTrust, strengthened by cryptographically signed service receipts and a Merkle audit trail. Install: `npx -y @trustscoreagent/mcp-server`.
temporal-cortex/mcp
AI-native calendar middleware for scheduling, availability, and conflict-free booking across Google Calendar, Outlook, and CalDAV. 15 tools across 5 layers: temporal context, calendar operations, multi-calendar availability, open scheduling, and Two-Phase Commit booking. Deterministic datetime resolution and RRULE expansion powered by Truth Engine.
leap-laboratories/discovery-engine
Superhuman exploratory data analysis that finds the feature interactions and subgroup effects that LLMs and manual exploration miss — with p-values, effect sizes, and literature citations. Data goes in, validated insights come out. Free for public data.
turbyho/fw-context-mcp
Build-aware code intelligence for embedded C/C++ firmware. Indexes your project from compile_commands.json via libclang into SQLite+FTS5. 31 MCP tools for symbol search, call graphs, hotspot analysis, dead code detection, and vector search. For Zephyr, PlatformIO, Mbed OS, Arduino, FreeRTOS.
urbanmorph/mdshare
Markdown collaboration for AI workflows. Share markdown instantly via public links with four permission levels (admin, edit, comment, view), inline comments anchored to text, real-time WebSocket sync, and version history. Free, no login. `npx mdshare-mcp` lets AI agents read docs, review comments, incorporate feedback, and resolve threads — the full review loop without copy-pasting between tools.
squidcode/timebook-cli
Official MCP server for [Timebook](https://usetimebook.com) — time tracking, invoicing, and bookkeeping for freelancers and solo LLCs. Manage clients and projects, start/stop timers, and log, update, and delete time entries. Runs locally via the `@squidcode/timebook` npm CLI or as a hosted OAuth endpoint at `https://usetimebook.com/mcp`. Published in the MCP registry as `io.github.squidcode/timebo
davidmosiah/wellness-cgm-mcp
Local-first continuous glucose monitor MCP server for Dexcom Developer API and FreeStyle Libre via LibreLink Up.
aethynio/aethyn-browser-mcp
Drive a local Playwright browser through residential proxies with the agent choosing the exit country/city and holding one sticky identity per task. 10 tools: launch, navigate, accessibility snapshot, click, type, content extraction, exit-IP verification, and per-task identity rotation. Free trial, no card.
Ceki-me/mcp-server
Rent real residential Chrome browsers from real humans — per-minute billing ($0.01/min), real fingerprints, residential IPs, no datacenter signals. MCP-native, with SDKs for Python, JS, LangChain, CrewAI, n8n. Crypto payouts.
Alessandro114/scala-mcp-server
Search and enrich data from 250M+ companies across 50+ countries. Company lookup by name, VAT, or ID, NACE sector search, and financial data from official EU business registries. Free tier: 50 lookups/month. Install: `npx scala-mcp-server`.
machinegrade/validate
Deterministic validation of AI-generated artifacts before acting on them: JSON Schema conformance, OpenAPI response conformance, SQL syntax per dialect. Typed verdicts with per-error fix hints. Hosted free tier with remote MCP endpoint; MIT, self-hostable.