Marketplace
MCP servers
MCP servers for Haarness: connect your agents to databases, browsers, APIs and services over the Model Context Protocol.
Next.js DevTools
Connect the agent to a running Next.js dev server for errors, routes, upgrade helpers and docs.
Context7 Library Docs
Pull version-specific library documentation and code examples into the prompt to avoid outdated APIs.
Tavily Search
Search, extract, map and crawl the web with an engine tuned for agent research.
Svelte
Fetch Svelte and SvelteKit docs and run the official autofixer to check generated components.
Snyk
Scan code, dependencies, containers and IaC for vulnerabilities with the Snyk CLI.
Socket Dependency Scores
Check npm, PyPI and other packages for supply-chain risk, malware and quality scores before adding them.
shadcn/ui Registry
Browse, search and install shadcn/ui components and blocks from configured registries.
Qdrant Memory
Store and retrieve notes or code snippets semantically in a Qdrant vector collection.
Perplexity
Ask Perplexity for cited web answers, deep research and reasoning from inside the agent.
Postman
Manage Postman collections, environments, mocks and API specs.
GitMCP
Read documentation and code of any public GitHub project through one generic remote endpoint.
Neo4j Cypher
Read a Neo4j graph schema and run Cypher queries against it.
Netlify
Create, configure and deploy Netlify sites and manage environment variables and forms.
DuckDB / MotherDuck
Query local files, Parquet, CSV or an in-memory DuckDB with SQL, optionally connecting to MotherDuck.
MongoDB
Query and inspect MongoDB databases and Atlas clusters; this template starts in read-only mode.
Mobile Automation
Control iOS simulators, Android emulators and real devices to tap, type and screenshot apps.
Microsoft Learn Docs
Search and read official Microsoft and Azure documentation and code samples from inside the agent.
Mapbox
Geocode places, search points of interest, compute routes and render static maps.
Notion
Search, read and update Notion pages and databases with an integration token.
Heroku
Manage Heroku apps, dynos, add-ons, logs and Postgres from the Heroku CLI.
Grafana
Search dashboards, query Prometheus and Loki, and look at alerts and incidents in Grafana.
Framelink Figma Context
Give the agent simplified layout and style data from Figma files to implement designs in code.
Google Cloud CLI
Let the agent run gcloud commands to inspect and manage Google Cloud projects.
Kubernetes
Inspect and manage Kubernetes resources, logs and Helm releases using your kubeconfig.
Firecrawl
Scrape, crawl and search the web and get clean Markdown or structured data back.
Exa Web Search
Run web searches, fetch pages and look up code context through Exa search.
Postgres Pro
Explore Postgres schemas, run safe SQL, and get index tuning and health checks.
CircleCI
Find failing CircleCI builds, read their logs and spot flaky tests.
ClickHouse
Explore ClickHouse databases and run read-only SQL queries for analytics.
Chrome DevTools
Inspect a live Chrome page: console, network, performance traces and DOM, for debugging front ends.
Brave Search
Web, news, image and local search through the independent Brave Search index.
AWS Pricing
Estimate AWS costs and compare service prices from the AWS Price List API.
AWS Knowledge
Search AWS documentation, API references, blog posts and regional availability without AWS credentials.
AWS API
Run validated AWS CLI commands to inspect or manage resources with your AWS credentials.
Atlassian Rovo
Search and update Jira issues and Confluence pages in Atlassian Cloud.
Apify
Run Apify Actors for scraping and automation and read their datasets.
Angular CLI
Give the agent Angular best practices, docs search and project-aware CLI helpers.
Supabase
Manage Supabase projects: run SQL, apply migrations, read logs and generate types.
Stripe
Search Stripe docs and read or manage customers, payments, subscriptions and invoices.
Redis
Read and write Redis data structures, search indexes and streams in natural language.
Neon Postgres
Create Neon projects and branches, run SQL and plan safe schema migrations.
Time and Timezones
Get the current time and convert times between IANA time zones.
Sequential Thinking
Give the agent a structured scratchpad for step-by-step reasoning with revisions and branches.
Knowledge Graph Memory
Keep a persistent local knowledge graph of entities and relations the agent can recall across sessions.
Git
Inspect and operate on a local Git repository: status, diffs, logs, branches and commits.
Filesystem
Read, write, search and move files inside directories you explicitly allow.
Web Fetch
Fetch a web page and convert it to Markdown so the agent can read it in chunks.
MarkItDown
Convert PDFs, Office files, HTML and other documents to Markdown the agent can read.