Validates Luhn, IBAN, ISBN, EAN/UPC, SWIFT/BIC, and EU VAT checksums and formats.
Bioactivity and drug-discovery data over ChEMBL — compounds, protein targets, dose-response measurements, mechanisms of action, and clinical indications.
- Chembl Search Molecules: Discovery entry point for compounds. Find by name / ChEMBL ID / InChIKey with the default search_type=name (supply query), or run a structure search with search_type exact | s
- Chembl Get Bioactivities: The flagship compound↔target bioactivity bridge: measurements for a molecule (target deconvolution / selectivity), a target (lead finding), or both together (how potently one
- Chembl Search Targets: Resolve a protein/gene/UniProt accession to the ChEMBL target ID that chembl_get_bioactivities needs for the target→leads workflow. Supply at least one of accession (UniProt, e.
Stockfish chess eval: best move, score, principal variation, multipv.
Chicago demolition and reclaimed-brick leads, pricing, and a human-confirmed Daily Drop handoff.
Pay-per-call China macro and supply monitors: revisions, FDI, LEI changes, 1688 suppliers.
Find CCC product categories by product name.
MCP server giving AI agents one-connection access to China A-share market intelligence: financials,
Look up medical devices in China by UDI, product name, registrant, registration number or category.
BaZi four pillars, Chinese zodiac, lunisolar calendar and almanac days for AI agents.
MCP server: AI-agent access to Chinese social & trend signals — Douyin, Weibo, Xiaohongshu/RedNote,
Check, add and control the smart home sensors and automations in your own Chirp home.
Post, schedule, and track social posts on X, Bluesky, LinkedIn, Instagram and more from AI agents.
Editorially independent addiction & mental-health directory — facilities, therapists, expert Q&A.
Strom- und Gastarife sowie Produktinformationen für Energievergleiche, live per MCP-Tool.
Chronary — calendar-as-a-service built for AI agents.
- Create Agent: Register your agent (AI assistant, human participant, or resource) with Chronary so it can own calendars, events, and webhooks.
- List Agents: List all agents in your organization
- Create Calendar: Create a calendar to hold events and track availability. Calendars are required before creating events — call this first when setting up a new agent. An agent can have multiple calend
Deterministic time tools for AI agents: timezone conversion, business-day math, cron interpretation.
Deterministic date, time and calendar tools for agents over MCP.
- Describe Date: Get full deterministic facts about a calendar date: weekday, ISO week, day-of-year, leap year, weekend flag. LLMs frequently miscompute the weekday of a date — use this for ground truth
- Date Difference: Exact difference between two dates: total days/weeks AND a years/months/days breakdown that correctly accounts for leap years and varying month lengths.
- Business Days Between: Count business days (Mon–Fri) between two dates, optionally excluding holiday dates. Counts the open interval (from, to].
Hosted MCP server for AI-driven data ops.
Agentic CI operations for build inspection, failure diagnosis, and runner troubleshooting.
Turn a script into a finished film: plan and quote free, then produce under a hard credit cap.
Buy B2B supplies from a real US distributor: submit an RFQ, get a priced quote, order and pay.
CircleCI's MCP server: inspect projects, runs, workflows, jobs, logs, tests, and artifacts.
Manage CI/CD pipelines, debug failed builds, and optimize test suites directly from your AI tools and agents - no terminal required.
- Cancel Workflow: Cancel a running CircleCI workflow, given its UUID (a workflow id from list_workflows or get_workflow). Cancellation is asynchronous: a successful call means the request was accepted,
- Download Usage Data: Export a CircleCI organization's usage data as downloadable CSV files. This is a two-phase, asynchronous tool. Phase 1 — start: call with org (an org slug like "gh/acme" or an org
- Get Deploy Component: Fetch a single CircleCI deploy component by its UUID (a component id from list_deploy_components), returning its name and owning project ID.
CISA advisories & ICS alerts: new CVEs, remediation.
- Data Preview: ✅ No API key needed — call this now. Listing: cisaalerts: CISA Cybersecurity & ICS Advisories. Price 0.01 USDC/query (max 20 queries/session). Sample questions: What CISA cybersecurity a
- A2awire Guide: ✅ No API key needed — call this now. Navigator for the full A2AWire tool surface. Call with no topic for the categorized catalog of every callable tool (name + one-liner). Pass topic=es
- Find Paid Work: ✅ No API key needed — call this now. Find paid work your agent can do right now on the A2AWire job board. Filter by capability (case-insensitive) and network (prefer testnet for cold-s
CISSP certification exam prep from CISSPStudyGroup.com.
- Get Practice Question: Get a CISSP practice question from the CISSP Study Group question bank — 3,600+ exam-quality questions grounded in official ISC2 CISSP curriculum, not generic AI. Filter by CISS
- Check Answer: Check your CISSP answer and get a detailed CISSP Manager Logic explanation. Explains WHY the correct answer is right from a CISSP managerial perspective — grounded in ISC2 curriculum. Fr
- Get Study Stats: Get your personal CISSP study statistics from CISSP Study Group — total CISSP questions answered, accuracy by CISSP domain, CISSP mock exam scores, and study streak. Requires a cissp.
Does a cited URL exist, and does the source name what your claim names?
Analyse any public webpage for GEO/AEO opportunities, compare it with up to six competitors, and identify citation gaps that may cause AI assistants to favour…
- Audit Page: Audit a single page's on-page GEO signals and return a structured score and summary.
- Generate Fixes: Return prioritised on-page GEO fixes for a single page.
- Compare Competitors
Cite42 gives AI agents AI-search visibility, citations, SEO keywords and trends, plus four weekly or monthly trackers: AI visibility tracker, AI competitor…
- Cite42 Credits: Check the remaining Cite42 credit balance for the connected account. Free: costs 0 credits. Covers AI-search, citation, SEO, keyword, trend, and market-research data. If a plan needs m
- Cite42 Pricing: Get the exact Cite42 price table in credits: per-model rates, flat-rate tools, workflow maximums, and which tools are free. Use it to answer any "how much does X cost" question or to e
- Cite42 Usage: Get recent Cite42 usage for the connected account: the last calls with their cost and status, spend today and this month, spending limits, and the remaining credit balance. Free: costs 0
Find scholarly sources, format verified citation metadata in 60+ academic styles, and check pasted bibliographies for matching records and citation issues.
- Search Citations: Search scholarly sources by topic, title, author, DOI, or ISBN and return matching works as formatted citations. Resolved works may be merged into CiteMe's shared scholarly catalog a
- Format Citation: Format citation data (title, authors, year, etc.) into a specific citation style. The formatted result may be stored in an operational cache; the tool does not publish content or modi
- Check References: Verify a user-provided bibliography against scholarly sources and return match status, identifiers, and citation issues. Results may be cached for up to six hours and usage may be lo
Free city-walk planner: day-by-day self-guided walking itineraries for 50+ cities.
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