"A guide for reading and writing to a Firebase database" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Official OmniSocials MCP server — schedule and publish posts, stories, and reels across 11 platforms (Instagram, Facebook, LinkedIn, YouTube, TikTok, X, Pinterest, Bluesky, Threads, Mastodon, Google Business), plus media, analytics, hashtag sets, inbox, and webhooks.
Serves your design system and coding standards to coding agents, so they stop guessing.
A portable knowledge-graph memory you pass in and get back. No database. 4 of 6 free.
Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
Brazilian foreign trade, crop and commodity data as a remote MCP server. Exports and imports from MDIC/ComexStat since 2000, by HS code (SH4/SH6/NCM) and partner country, in USD FOB and kilograms — plus crop production, supply-and-demand balances, climate readings and production forecasts for hubs such as soybean, coffee, corn, beef and cocoa. Every comparison is like-for-like: two windows of equal length, each labelled with the period it actually measures, and every answer names its window and its source. 15 read-only tools, metered in credits. Nothing to install: Streamable HTTP at https://mcp.kyrodata.com/mcp with a bearer key or OAuth 2.1 (PKCE). Official registry: com.kyrodata/kyrodata.
Dimensional weight, parcel fit, landed cost and freight class. 4 of 6 tools free.
Find AI-isms with evidence and fingerprint a writing voice from samples. 3 of 5 free.
Checks if ChatGPT and Google AI Overviews cite your site for a keyword, and who they cite instead.
Go MCP server for GitLab: 2 dynamic tools reach 1000+ REST/GraphQL actions. Free/CE, no paid tier.
Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.
Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.
Paste-your-data analytics: CSV profiling, A/B tests, correlation, growth. 4 of 7 free.
8 curriculum, classroom, accommodations and exam-prep skill products. 5 of 7 free.
Check a product CSV, handles, variant matrices and metafield keys. 4 of 6 free.
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
GDPR-compliant calendar access for AI assistants: read, create, edit, RSVP. Google, MS 365, Apple.
Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
20 blogging, brand-voice, copywriting, video and social skill products. 6 of 8 free.
7 outreach, sequencing, call-coaching and CRM-hygiene skill products. 6 of 8 free.
