"dev.to" matching MCP connectors:

MCP Verification Gate: check an MCP server or an A2A agent before you connect or delegateA

io.github.ogasurfproject-jpg

Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.

Check one web page for broken links, redirect chains hop by hop and mixed content. Free, no key.

MotionSpec — web animation accessibility MCPA

io.github.MasterPlayspots

Web animation accessibility MCP: GSAP, static CSS checks, prefers-reduced-motion, WCAG 2.2.2/2.3.3.

Validate JSON-LD structured data against the Schema.org vocabulary. Free; never fetches URLs.

Lint hreflang: codes, x-default, self-reference, canonical, return links. Never fetches URLs.

Ceraph React Native MCPAOAuth

dev.ceraph.mcp

Drive and test your React Native and Expo apps end-to-end on iOS and Android. Supports real devices, simulators, and emulators. Snapshots, taps, typing, swipes, screenshots, deep links, reloads, builds and runtime errors.

EverframeAOAuth

dev.everframe

Read in-app bug reports, crashes, screenshots and tickets from mobile, web and TV apps.

Verify before your agent acts on data it paid for. Signed verdicts, checkable offline, via x402.

Import Check: Validate & Clean CSVA

io.github.LeBorgneAntoine

Validate and clean CSV before import. Find duplicates, missing values and invalid dates with row-level reports. Apply only the cleanup you request; files are not retained. Run view_csv_demo free without a key. Custom CSV: EUR 9 for 100 operations, valid 90 days, no subscription. Setup: https://check.orvel.dev/docs/

ReconstructB

dev.reconstruct

Captured web interfaces, screenshots, flows and structured evidence for AI coding agents.

GodPrompt MCP ServerA

io.github.AKzar1el

GodPrompt MCP + Agent Skill for coding agents with TDD, debugging, verification, and task routing.

Paid deterministic data-quality and execution-verification tools for AI agents.

GLINTBASE MCPA

dev.glintbase.scan

Zero-config agent-readiness auditor and Flight Simulator tools for AI coding agents

Agent ReliabilityA

dev.agentreliability

Testing, benchmarking and auditing autonomous AI agents — methods, harnesses, evidence

Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev

Caller-specific static MCP capability fit evidence. No live probing; caller owns the decision.

Deterministic JSON checks with signed evidence and x402-paid execution

SMS verification codes for Georgia (+995), sent and checked. Try test codes with a free test key.

Emailens MCPA

io.github.emailens

Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.

Seven tools over the tabnas parsing engine: parse, validate, diagnose, fixtures, compare.