"Tips for Naming Variables and Functions in Go Programming Language" matching MCP connectors:

Workflow planning, recovery checkpoints, coordination, fixtures, and compatibility tools for agents.

Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.

Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.

Pre-execution governance for AI agents. Deterministic PASS/FAIL/REVIEW verdicts, replayable proof.

Read-only, deterministic AI triage and readiness tools implementing Sophon's published rubrics.

PDF accessibility checks (veraPDF PDF/UA-1), auto-fix and Markdown conversion. EU-hosted.

Hire a real human for real-world verification, product testing, AI output review, and errands.

Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.

Webhook relay for AI agents: keyless quickstart, event inspection, replay, mock payloads.

Voice-powered bug reporting with 13 MCP tools. Record bugs by talking; let AI find and fix them.

Promotion gate for AI agents: leakage audits, exact-statistics verdicts, and a live report card.

みんなのテスター（スキマラボ）公開情報MCP。Google Playクローズドテストのテスター集めを支援する相互テストコミュニティの情報を提供する。

Query Checkly synthetic monitoring — checks, statuses, results, alerts, reporting and dashboards.

One-cent x402 and MCP readiness checks plus fixed-price marketplace launch packs.

Generate realistic, FK-consistent synthetic test data for your databases from your AI assistant.

Generate deterministic placeholder image URLs and packs for docs, staging, testing, and AI agents.

Test the voice agents you run: scored transcripts, pass/fail verdicts, latency and WER metrics.

Read-only MCP server for the OPERANT AI operating-agent calibration benchmark.