umbra
Trust scores and guardrails for AI-generated code: static security rules, Docker-verified build/boot checks and receipts that catch agents lying about tests.
★ 1
Connect your agent to docs, search, browsers and your stack with the Model Context Protocol. Every entry links to its source.
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Trust scores and guardrails for AI-generated code: static security rules, Docker-verified build/boot checks and receipts that catch agents lying about tests.
★ 1
URL security signals: redirects, brand impersonation, domain age, SSL validation, parked-domain detection, structural analysis and DNS enrichment.
★ 1
Persistent knowledge memory for agents: read context into projects and write discoveries back, organized by topic with AES-256 encryption.
★ 1
Deterministic validation of AI-generated artifacts: JSON Schema and OpenAPI response conformance and per-dialect SQL syntax, with typed verdicts and fix hints.
★ 1
AI media generation (Flux, Veo, Suno) with cost controls: upfront price quotes, budget enforcement and reserve-burn-refund billing.
★ 1
Share end-to-end encrypted, self-destructing secrets from an agent, reading them from env vars or files so they stay out of LLM context.
★ 1
Merge gate for AI-written code: catches placeholder code, unfailable tests, unsupported completion claims and nonexistent API calls, then returns a fix plan.
★ 1
Reliability lookup for x402 pay-per-call endpoints: find services for a task under a price, sorted by known-answer pass rate over recent paid calls, with
★ 1
Agent evaluation, simulation testing and functional/non-functional verification workflows on the VerifyAX platform.
★ 1
Pay-per-query x402 datasets: NPI healthcare, SEC filings, OFAC sanctions, crypto whales, Polymarket signals, patents and economic indicators.
★ 1
Behavioral verification for TS/JS repos: builds a behavioral graph, clusters workflows, detects drift and generates adversarial probes with risk scores.
★ 1
Read-only access to VeryChic flash-sale hotel deals: search and filter offers and check availability and prices by date.
★ 1
Maritime vessel tracking via VesselAPI: search vessels and get real-time positions, ETAs, port events, emissions, inspections and NAVTEX safety messages.
★ 1
SomaCheck: get an Aligned or Unaligned reading with model confidence for a proposition, as extra input when reasoning and responding.
★ 1
Build, deploy and manage hosted VibeKit apps, each with a live URL and its own persistent server-side agent to chat with.
★ 1
Deploy static HTML folders to permanent Vibie URLs, with folder markers for easy redeploys.
★ 1
Vietnam stock market data: real-time SSI quotes, technical analysis, financial statements, stock screener, AI picks, foreign flows and macro indicators.
★ 1
The Bible as a knowledge graph of verses, people, places, topics and Hebrew lexemes: scripture search, interlinear lookup, cross references and genealogy.
★ 1
A provenance tree for coding agents: every node records the node it was born from, so the agent can ask why the work is where it is.
★ 1
Local voice coach: records the mic and measures singing pitch accuracy (cents, vibrato, MIDI melody), phoneme-level English pronunciation and public-speaking
★ 1
Personal Voila grocery automation: search products, check discounts, list delivery slots, read cart and order history and update cart quantities.
★ 1
Burn-after-read encrypted Volta Notes for agents: hand off credentials between users and agents without secrets appearing in chat history.
★ 1
Self-verifying ledger with dual-signed transactions, gift and sponsor cards and loyalty tiers, using EVM or post-quantum (ML-DSA-65, SLH-DSA) signatures.
★ 1
Commerce tools: shopping cart, orders and shipment tracking (TMF663/622/621), session booking, Uniswap swaps, a P2P marketplace and wallet-based identity.
★ 1
Monitor cron jobs, backups, Kubernetes jobs and other scheduled tasks in Watchgoose.
★ 1
Read-only check of a live URL for publicly exposed secret files: .git, .env, JS source maps, backup/SQL dumps, directory listings and dotfiles.
★ 1
Official Website Auditor server: checks how often ChatGPT, Claude, Gemini and Perplexity name a business, which competitors they name instead and which sources
★ 1
Manage Website Toolbox forums via the Forum REST API: categories, topics, posts, users, user groups, conversations, moderators, tags and page views.
★ 1
Local-first continuous glucose monitor data from the Dexcom Developer API and FreeStyle Libre via LibreLink Up.
★ 1
Local control of WeMo smart home devices without the cloud: discovery, dimmer brightness, device renaming and HomeKit codes.
★ 1
Polymarket data for agents from Predge: free ed25519-signed UMA settlement-risk records for any market, read live from Polygon, and an offline record verifier;
★ 1
Local audio and video transcription on Windows using whisper.cpp with Vulkan GPU acceleration: batch processing, multilingual support and background jobs.
★ 1
Save product URLs from any store to a universal wishlist.
★ 1
Withings Health API with a local SQLite cache and trend analysis for body composition, sleep, activity, workouts and ECG.
★ 1
Task board for MCP agents that lives on your desktop: four columns for agents to write into, progress tracking, stall detection and an append-only event log,
★ 1
Send email through your own Amazon SES account, and check domain verification, the suppression list and sandbox status.
★ 1
Agent demand analytics, recommendations and discovery on the ForgeMesh x402 Ads network, which monetizes unused 402 responses, paid per call in USDC on Base.
★ 1
Exposes x402-paid APIs discovered from Coinbase Bazaar, handling USDC micropayments on Base.
★ 1
Real-time crypto market structure: cross-exchange orderflow, price, funding and open-interest snapshots, CVD with whale activity and OHLCV history.
★ 1
40+-tool MCP server for agent-to-agent payments on the XRP Ledger — job marketplace, crypto-condition escrow, AI-verified work delivery, and trust scoring.
★ 1
YouTube transcripts (text, JSON, SRT, VTT, srv3), video and channel search, playlists and large batch jobs.
★ 1
Video caption and B-roll generation via the ZapCap API.
★ 1
Zcash shielded operations: chain queries, memo decoding, on-chain attestation and proof verification.
★ 1
Multi-language crypto news summaries with sentiment labels and importance scores, crediting the original publisher.
★ 1
Read, search and send email with Zoho Mail.
★ 1
Run AI agents in Zulip as @mentionable bots or connect Zulip to any MCP client, with real-time listening, session management and file handling.
★ 1
First-edition book identification using points of issue, number-line decoding and publisher rules, plus New Mexico book-donation logistics.
★ 0
Decodes HTTP 402 Payment Required challenges (L402, x402, MPP) into exact pay-and-retry steps, recommends a payment rail from stated requirements, and searches
★ 0
JSON risk briefs for wallet addresses, tokens and URLs: scores, flags and sources from phishing, scam and URL-reputation heuristics, including OpenPhish.
★ 0
Manage a 5dive agent fleet: file tasks, message and inspect agents, and read the fleet digest.
★ 0
Ephemeral rendezvous for agents: expiring threads with a secret read key and public write address, plus an open board where agents find each other.
★ 0
18 read-only tools over the abliteration.org catalog: every abliterated and uncensored LLM on Hugging Face, their method classification, download trends,
★ 0
Canadian adjusted cost base (ACB) and capital gains from trade history: average-cost tracking, per-disposition realized gains and superficial-loss detection.
★ 0
Local CI/CD for agents: runs jobs on LGH git events in isolated checkouts, with failure diagnosis, approval gates, auto-rollback and a web console.
★ 0
Read-only SF Peninsula building permit and parcel buildability data: permit search, SB 9 lot-split eligibility, ADU feasibility and redevelopment leads.
★ 0
SEC EDGAR data: search public companies, retrieve 10-K, 10-Q and 8-K filings, and access XBRL financial data.
★ 0
Mechanically validated frontend aesthetics for coding agents: an evidence-ranked palette library, OKLCH harmony generation, WCAG 2.2 + APCA contrast gates,
★ 0
Predictive congestion signals for global ports: congestion score, ETA delay, waiting vessels and a freight volatility index.
★ 0
Schedule and cross-post to Instagram, TikTok, YouTube, X, LinkedIn and more, with per-platform captions, bulk scheduling, draft approval and media upload.
★ 0
Read and post to The Agent Billboard, a single on-chain Solana message slot won by outbidding the previous poster, with operator spend limits.
★ 0
Lets Claude Code and Codex steer each other's live desktop chats through Windows UI Automation: list and read chats, send messages or mid-turn steers, and
★ 0
Self-hosted agent reputation system with signed evidence, its own graph and issuer.
★ 0
IMBA Wallet for agents: docs, plus USDT TRC-20 deposits and spending on prepaid Visa cards, travel eSIMs and gift cards.
★ 0
Local-first SEO quality, search-intent and opportunity scoring for Markdown content and GSC-style opportunities before rewriting or publishing.
★ 0
Search, inspect and compare AI agent infrastructure tools (cloud browsers, code sandboxes, memory, search APIs and more) from the Agent Stack Directory open
★ 0
Walk an AI into a live multiplayer 3D world as a visible avatar: observe the scene, talk to real human players, and be seen by them.
★ 0
Give coding agents real eyes: one tool call returns a screenshot PNG plus the accessibility tree and page text; segment_height paginates long pages into
★ 0
Create, validate, run, inspect and verify AgentFEM finite-element simulations.
★ 0
Long-term memory over a folder of Markdown files: local hybrid retrieval (BM25F, dense vectors, phrase proximity) that reports when an answer is absent.
★ 0
FastMCP server for business intelligence and data agents, exposing dynamic KPI analytics, anomaly detection, and schema resources across 10 business domains
★ 0
Convert PDF, DOCX, HTML and URLs to clean, LLM-ready Markdown with tables preserved and boilerplate stripped.
★ 0
Key-value agent memory over an HTTP API without embeddings: store, retrieve, search and share memory across agents with shared namespaces and TTLs.
★ 0
Convert URLs into screenshots, PDFs or structured extracts.
★ 0
SEC EDGAR filings (10-K/10-Q/8-K) for AI agents.
★ 0
Web search (up to 5 results), URL-to-Markdown extraction and JavaScript page rendering for agents, paid per call ($0.005 in USDC on Base via x402 through the
★ 0
Zero-config runtime and browser error sensor for AI coding agents: intercepts dev server crashes and in-browser exceptions with source-mapped stack traces for
★ 0
Read-only search over Sendchamp documentation for SMS, OTP verification and Africa-specific routing.
★ 0
List, fetch and full-text search structured daily AI news from AI Daily Insights, a Chinese AI-industry briefing.
★ 0
No-markup video, image and speech generation with 400+ Vercel AI Gateway models (Veo, Kling, Seedance, Nano Banana, GPT Image) inside Claude or ChatGPT, billed
★ 0
Check a website's visibility to AI search: scores AI crawler access, JSON-LD, title and meta tags, Open Graph, sitemap and llms.txt, with a fix for each gap.
★ 0
Rule-based decisions: a Rete engine returns verdicts explained via retrieval over your policy documents, with rules drafted from policy text and saved as YAML.
★ 0
AI Interview Agents: create roles, screen CVs, schedule voice interviews and read scored reports, in English, Hindi and other Indian languages.
★ 0
Read-only AI Loop Library catalog of bounded agent work loops: pick one for a goal and render a run protocol with verification, stop conditions and budgets.
★ 0
Workout memory: logs sets, weights, estimated 1RM, per-muscle volume and recovery so the next session is planned from your training history.
★ 0
Verifiable oracle tools via AIMarket Hub: Platon VRF randomness, Chronos VDF computation and verification, and LUMEN reputation scores.
★ 0
Manage app strings, locales and A/B string variants, then publish Ed25519-signed string bundles for over-the-air text updates in iOS, Android, web and React
★ 0
Search, inspect and run data APIs for SEO and AI visibility, finance, social, web search, sales and agent mail through a few meta-tools, with spending caps.
★ 0
Shared, versioned team library of prompts, rules, skills and docs, searchable by agents, with items exposable as slash commands.
★ 0
Verifiable Ed25519-signed agent memory chain with fail-closed verification; offline-first TF-IDF recall (zero LLM tokens at runtime), artifact audit, durable
★ 0
Generate and translate image alt text and manage an AltText.ai image library.
★ 0
Live air quality, pollen and weather data from Ambee.
★ 0
Token-efficient web fetching for Japanese sites: outline-first disclosure, Shift_JIS and EUC-JP decoding, PDF and CSV extraction and polite crawling.
★ 0
pipeline report with win rate and manager leaderboard, stale deals, overdue tasks.
★ 0
Find, quote, rent and stop GPUs on AmpleRun, paid from a USDC or USDT balance on Base.
★ 0
French election results since 1999 at polling-station level, with INSEE data, elected officials and boundaries: maps, vote-reserve analysis and read-only SQL.
★ 0
Real-time anomaly detection with NASA-derived sequence mining across blockchain, mempool, stablecoin depeg, aviation and GitHub signals, paid via x402 on Base.
★ 0
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Setup instructions and compatibility are compiled from publisher docs and community reports, not hands-on testing, unless a step is marked Tested. Check the source before relying on a setup.