"Free and open-source coding assistants" matching MCP connectors:

Verified data on 8,000+ AI tools for any AI assistant: live status, pricing reality, user sentiment, viability, and alternatives, every answer carries a last-verified date. Free, read-only, no auth.

AIOProductOS: revenue, feedback, work and analytics on one customer record. 71 tools, 3 apps.

Track app-store rankings, history, listing metadata, reviews and competitors across four stores.

Track app-store keyword rankings, rank history, listing metadata, engagement, reviews, and competitors across the iOS App Store, macOS App Store, Google Play, and Microsoft Store.

Moderated usability testing: read sessions, notes, transcripts, reports, and draft test scenarios.

Validate startup ideas with behavioral evidence — not opinion. Demand Discovery AI™ is a sales-agent MCP that answers founders' questions about the validation framework, the four data-signal categories (Search & attention, Conversation & pain, Adoption & spend, Capital & hiring), the Demand Score™, and the Build/Pivot/Kill verdict™. Includes 7 tools: ask a free-form question, get the validation framework, get product details, explain demand signals, compare validation approaches, get data-source

raumnebenan.de is a resource hub focused on actionable product thinking for product owners, product designers, business analysts, product managers, agile coaches, and user researchers. The site provides clear, structured guides and tools to help teams understand users, identify opportunities, validate ideas, and deliver products that create real user and business value.

AI BVF: score AI portfolios Stop/Fix/Accelerate with decision confidence and pace-layer drag.

Manage feature requests, votes, roadmaps, and changelogs from any MCP client.

Sales intelligence — research companies, qualify prospects, and find contacts.

Understand how AI platforms represent their brand, identify visibility gaps and growth opportunities.

B2B SaaS competitor pricing changes, strategic moves, market landscapes, reports and comparisons.

Paid x402 MCP tool for stress-testing launch and marketing copy before publication.

Synthesize GitHub Issues, HN and App Store reviews into ranked pain clusters. Pay-per-call x402.

A directory of product launch platforms: where your product qualifies and how each form is filled.

Pay-per-call retail, advertising, and app-release decision intelligence.

Access to your Apple App Store and Google Play Store rankings, competitors and chart moves.

Create and edit roadmaps with JSON or markup; share edit and view links from AI agents.

Turn raw customer feedback into evidence-cited specs (free, no key) plus 16 PM tools.

Query Mixpanel events, funnels, retention, segmentation and insights (JQL).