Security
Identity, credentials, guardrails and safe agent operation.
agent-browser (Vercel Labs)
Browser-automation CLI for agents plus its skill (snapshot/click/fill), local or cloud browsers.
Composio
Toolkits for 1000+ apps with managed OAuth/auth, tool search and a sandbox; usable via SDK or MCP.
Nango
Open-source platform for OAuth + API integrations ('connect your agents & product to 1,000 APIs'): auth, token refresh, syncs, MCP.
Browserbase Skills (official)
18 skills for web access through Browserbase cloud browsers (browse, extract, event-prospecting).
Google Workspace MCP
An MCP server for Gmail, Google Calendar, Docs, Sheets, Slides, Chat, Forms, Tasks and Drive.
Stripe AI (official MCP + skills)
Stripe's agent toolkit, hosted MCP (mcp.stripe.com, OAuth) and skills (stripe-best-practices, upgrade-stripe).
Google Calendar MCP
An MCP server to list, search, create and update Google Calendar events.
Alpaca MCP server (official)
Alpaca's official MCP server: trade stocks, ETFs, crypto and options and pull market data from an agent.
Kraken CLI (official, built-in MCP)
Kraken's AI-native CLI: full Kraken API access, a built-in MCP server, and live plus paper trading in one binary.
Resend MCP server (official)
Resend's official MCP server to send emails and work with Resend (domains, audiences, broadcasts).
Salesforce MCP Server (community)
MCP for Salesforce: SOQL queries, object/field management, record CRUD, Apex.
Polymarket Python SDK (official)
Polymarket's official unified Python SDK for public market data, authenticated accounts, trading and wallets.
Kalshi starter code (official)
Kalshi's official example Python code for its API-authenticated endpoints (an example, not an SDK).
Apollo.io MCP plugin (official)
Plugin + config for Apollo's hosted MCP (mcp.apollo.io): people/company search, enrichment, sequences.
HubSpot MCP plugins (official)
Official Claude Code plugins on the HubSpot remote MCP server (mcp.hubspot.com): contact lookup, pipeline pulse, call prep, follow-up, import contacts, daily…
Credential and entity separation checklist
Before any payment, signup or commit, check that the card, email, account and author belong to the right entity.
GTM MCP terminal audit
Audits connected MCPs against the GTM layers (data, verify, sequencer, LinkedIn, scrape, inbox, Slack, CRM) and proposes missing ones without installing.
Owner-blocker batching protocol
One consolidated, short ask to your owner per day, each item with the exact action needed and what it unblocks.
Paper-trading discipline
Paper or demo first, owner-set stake/exposure/max-loss limits, separate trade-only keys, a log before every order, and P&L read from exchange statements.
Venture Operator guardrails
Session rules: batch owner blockers, chunk tasks <40 min with checkpoints, evidence-required claims, credential/entity separation, rules-before-actions, live…
LinkedIn MCP Server (community)
Local MCP using your logged-in browser session to read LinkedIn profiles, companies, jobs and search.
Clay MCP (official, hosted)
Clay's hosted MCP: people/company search, waterfall enrichment across Clay's providers, Clay Functions, push to CRM/sequencer with Ops-defined guardrails.