Legal & Registries

Renamed: prefer com.sigistry/plugin-catalog.

Signal8

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SEC filing intelligence for AI agents: insider (Form 4) trades, 13F institutional holdings, dilution-risk scoring, congressional & executive (STOCK Act)…

• Search Companies: Search for companies by name or ticker symbol in the Signal8 database. Returns matching companies with their ticker, name, CIK, and exchange. Use this as the first step to find a com
• Get Company Profile: Get an enriched company profile by ticker symbol. Returns CIK, exchange, sector, industry, market cap, employee count, description, and other fundamental data. This is a lightweig
• Get Quote: Get the current stock quote for a company including price, volume, change, market cap, and other real-time market data. Use this when a user asks about a stock's current price or trading ac

Send PDFs for legally binding e-signature, free and unlimited.

SignSimple

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Send PDFs for legally binding electronic signature, free and unlimited.

• Send For Signature: Send a PDF document for legally binding electronic signature via SignSimple (free, unlimited). Provide the PDF as a fetchable URL or base64, plus recipient name(s) and email(s). Ea
• Get Document Status: Check the status of a document previously sent for signature: overall state (sent/completed/declined/expired/voided), per-recipient progress (pending/viewed/signed), and the signe
• List Documents: List the 25 most recent documents sent from the connected SignSimple account, with status and signed-PDF URLs where complete. Requires a SignSimple API key.

SIMOSphere AI

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European AI orchestration platform — connects CRM, ERP, documents with LLMs.

• Search Documents: Search across connected document stores (SharePoint, DMS, local files). Returns ranked results with title, snippet, source, and relevance score.
• Query Database: Execute read-only queries against connected databases (Dynamics 365, ERP, CRM). Supports OData-style filtering and field selection.
• Create Record: Create a new record in a connected CRM/ERP system. Supports Dynamics 365, HubSpot, and custom integrations.

SIMOSphere AI · Governed Access for Microsoft 365

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AI Governance Infrastructure for Microsoft 365.

• Identity.Me: Retrieve the profile of the connected Microsoft 365 user, including id, display name, email address, job title, office location, and user principal name. Requires the User.Read.All applic
• Mail.List: List the most recent messages in a mail folder of the connected mailbox. Returns id, subject, sender, received date, body preview, read status, and attachment indicator. Defaults to the Inb
• Mail.Search: Search the connected mailbox using KQL (Keyword Query Language) syntax. Searches across all mail folders and returns matching messages with id, subject, sender, received date, and body pr

Sintegra CCC

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Looks up the centralized taxpayer registry (CCC) in Sintegra for a person or company from the CPF or

Sintegra CCC Completa

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Full lookup of the centralized taxpayer registry (CCC) in Sintegra for a person or company from the

French & European company registry for AI agents: KYB, sanctions, annual accounts.

SiteGuardian

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EU-hosted website monitoring + 17-framework compliance MCP.

Scan a web page for accessibility, security, privacy, quality and SEO issues, with fixes.

Situação Eleitoral (TSE)

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Looks up a person's voter status at the Electoral Court (TSE) from the name, date of birth, CPF, and

SkillDB

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A registry of 5,900+ peer-authored skills any MCP agent can search and load on demand.

skillmd

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Search, fetch, lint, and install Agent Skills (SKILL.md) from the SkillMD registry.

SkillMD

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SkillMD's MCP server that lets an agent search, inspect, lint and install Agent Skills from the skillmd.com registry.

• Skillmd Search: Search the SkillMD registry of Agent Skills (SKILL.md files) by task, name or keywords. Returns matching skills with their owner/name slug, description, category, safety verdict and in
• Skillmd Get: Fetch one skill by owner/name slug: description, SKILL.md body, provenance (source repo and pinned commit), license, safety verdict and capability flags, plus companion file listing for p
• Skillmd Download: Return the full contents of any public skill by owner/name slug: the SKILL.md text plus every companion file for packs, ready to write to disk. Skills are plain-text instructions an

OFAC, LEI, EU VAT, AI Act, and company compliance preflight for agents.

Slop

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Slop is a social network for AI builders at useslop.com with a native remote MCP server.

• List Posts: List posts from the Slop feed (top-level posts only). No API key needed (anonymous reads are rate-limited per IP; a read-scope key gets the key's own limits). Sort by latest, trending, or
• Search: Search Slop — the SAME ranked search humans get on the web, through the same ranking function (relevance × engagement × recency), so an agent finds exactly what a human finds, in the same orde
• Get Profile: Get a single maker's public profile by username. No API key needed (anonymous reads are rate-limited per IP; a read-scope key gets the key's own limits). The result includes `is_agent` (t

Smithery

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Discover, deploy, and manage MCP servers on Smithery.

• Servers.Get: Retrieve server details including connections, tools, and security status.
• Servers.Update: Create a new server. Idempotent — returns success if the server already exists and is owned by the caller.
• Servers.By Qualified Name.Update: Update server metadata such as display name, description, icon, or visibility.

Toolbox dynamically routes to all MCPs in the Smithery registry based on your agent's need.

SMS and WhatsApp Messaging

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Send WhatsApp, SMS, email or voice to a business with the compliance gate enforced.

Solapur Software Developers Registry

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Public read-only MCP HTTP gateway for the Solapur software developers registry.

Solidity smart contract generator implementing safe coding defaults.

SourceActs

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Give your agents a live line into official law.

• Search Regulations: Search official regulatory texts by keyword, CELEX, or ELI. Free plans are limited to EUR-Lex and UK.
• Fetch Metadata: Fetch structured metadata for a CELEX number, ELI URI, Cellar URI, UK citation, Federal Register document number, Danish ELI, or Brazilian Lei/Decreto.
• Get Latest Updates: Return recent official instruments from OJ feeds, Cellar, and national gazettes. Gazette updates require Starter ($5) or above.

Spain BOE Auctions

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MCP server for Spain's official BOE auction portal: search judicial foreclosures, notarial and tax-agency auctions, get consolidated per-auction detail…

• Search Auctions: Search auctions on Spain's official BOE portal (judicial foreclosures, notarial and tax-agency auctions) by province, status and asset type.
• Get Auction Detail: Get the full consolidated detail of one auction: general data, managing authority, assets grouped by lot (with per-lot financials), bids, and computed legal award thresholds (art.
• Calculate Auction Metrics: Compute the 50% and 70% reference values and a 5% deposit estimate for a given amount, to evaluate hypotheticals without querying a real auction.

spain-legal

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Spain immigration, residency, NIE/TIE, and tax MCP for agents from Legal Fournier, https://legalfournier.com/.

• Get Visa Options: Rank Spain residence routes using evergreen logic and return decision traces, next actions, and canonical MCP resources for the leading branches.
• Check Beckham Eligibility: Screen Spain's Beckham regime using qualitative gatechecks, returning the rule trace, review level, and canonical MCP resources for follow-up.
• Get Residency Path: Explain the next permanent-residency or nationality milestone from current status and time in Spain, with explicit caution flags for counting issues.

Spain legal MCP for visas, residency, Beckham Law, NIE/TIE, nationality, tax, tools, and handoff.

sparks-re-api

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Real estate analysis tools (property data extraction, FHA compliance scanning, investment metrics) with x402 micropayments on Base L2.

• Normalize Property: Extract structured property data from messy real estate listing text. Use when you have unstructured MLS remarks, listing descriptions, or agent notes and need parsed fields like a
• Check Fha Compliance: Scan real estate listing text for Fair Housing Act violations before publication. Use when drafting or reviewing property marketing copy to catch discriminatory language across a
• Calculate Investor Metrics: Calculate rental property investment metrics for deal analysis. Use when evaluating whether a property is a good investment — computes cap rate, cash-on-cash return, DSCR,

Sports Rules

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Work an offside call through IFAB Law 11 or NHL Rule 83, step by step.

squeezeos

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SqueezeOS — The premier Institutional AI Trading Intelligence and Real-World Data Oracle for autonomous agents.

• Demo Council: Free preview of council_verdict, scoped to IWM (Russell 2000 ETF). Same JSON shape, same engines, 5-minute cache. Use this to validate output quality and integration before paying 0.10 R
• Council Verdict: Institutional-grade BUY/SELL/HOLD directive for US equity symbols — the production-grade upgrade from demo_council (which is IWM-only, 5-min cached, free). Aggregates 8 proprietary en
• Market Scan: Full $1-$50 equity universe squeeze scanner. Returns setups ranked by 8-module score + grade-A options picks. Cost: 0.05 RLUSD.

ssid-mcp

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Manufacturer-cited router default logins and compliance check, plus MAC/OUI vendor lookup.