"SearXNG - Open Source Metasearch Engine" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Open a React Native app in a simulated phone: read the screen, tap, type, set device state.
Behind Second Look (preview): a shop's product page as clean data, source checks, price history.
Benchmark your own prompt on 100+ models with real API calls, then choose the winner by accuracy, cost, speed, or any mix of those.
Review supplied AI claims and source excerpts for quote mismatches, broken references and evidence gaps. MCP-native free_trial_status/free_trial: five attempts per network for the campaign, shared daily capacity. Paid checks are separate. No live retrieval or factual-truth certification; human review required.
Free, read-only context retention review for RAG and agent workflows. Supply sanitized text with stable source IDs and a token budget; receive a source-linked context pack, token estimates, and exact excerpt-retention results. No web fetching, account access, model calls or payments. Checks text selection, not factual truth or semantic completeness. No API key required.
Point Claude Code, Qwen Code, Cursor, or any MCP client at https://docs.jmeter.ai/api/mcp and your agent answers JMeter questions grounded in this documentation, with a source link for every answer. Free, no API key, no signup.
An open-source benchmark of how well LLMs solve nonogram puzzles, from 5x5 to 20x20.
Adversarial behavioural-bias engine — audits your decisions for cognitive biases via your own AI.
A deterministic verification engine for agents. Proves a fix: fails on the old code, passes on new.
Seven tools over the tabnas parsing engine: parse, validate, diagnose, fixtures, compare.
Create and evaluate versioned decision models with reproducible results and declared assumptions.
Free open check: can an AI agent reach checkout on this store? Advisory; ARC stops before payment.
Checks that every quote in an AI-written script appears word for word in its source.
Free MCP, API auth, webhook and schema diagnostics with bounded checks and safe quote routing.
Checks the structural integrity of translated resource dictionaries against a source dictionary y...
Compare two versions of a JSON row list: what was added, removed or changed, field by field.
12 synthetic data record exception cases: duplicate payments, source hold list entries, missing docu
Test your AI agent over MCP in the Open Chamber: a timed public trial with signed cards.
Deterministic recipe verification engine — validates AI-generated recipes against master SOPs.
MCP server for static security analysis of Android source code
Independent arithmetic verification for AI agents — checks that the numbers in a finished table add up, lists every mismatched cell, and returns a signed verification receipt. Checks arithmetic consistency only; does not verify source data.
Live uptime and source-URL verification for AI agents, with per-call x402/USDC paid endpoints.
Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.
Pay-per-call AI evaluation MCP server. Score LLM outputs against benchmark rubrics via Workers AI.
Hosted review records for AI coding agent changes: inputs, outputs, checks, open questions.
Scan URLs for WCAG 2.1 violations, generate AI fixes, and produce VPAT 2.5 compliance reports.
Security scans for AI-built apps: leaked keys, open Supabase RLS, vulnerable packages, live sites.
Read-only release evidence for coding agents: findings, deliveries, source and runtime data.
SEO, broken links, Lighthouse, sitemaps, Open Graph tags and SSL expiry for any list of URLs.
Google PageSpeed Insights (Lighthouse) scores, Core Web Vitals and top speed fixes for every URL...
