AI & Agents MCP Servers for Perplexity

16 AI-native tools with dual SSE + streamable-http transport. Free tier available.

Deterministic prompt-injection detector; signed, offline-verifiable verdicts. Not an LLM.

Alternatives to well-known AI tools, with revenues verified via Stripe instead of estimates.

Daily ranking of new AI tools with real launch dates and revenues verified via Stripe.

Discover flat-rate DeepSeek plans, model limits, API-key instructions, and coding-client setup.

Human-in-the-loop for AI coding agents — ask questions, get approvals via Slack.

Trust scores and dated liveness/drift facts for MCP servers, from the lastseen.dev notary register.

Scan agent readiness, or find measured providers an unattended AI agent can finish with.

Search 158 AI tools in the LingYi Tools directory by keyword, category, pricing, or featured picks.

LLM Observability & Orchestration Agent (LangChain Community)

MCP-Native LLM Orchestration Agent

LangSmith-Traced LLM Orchestration Agent

LLM Orchestration Agent (Langchain Anthropic)

LLM Orchestration Agent (Langchain)

LLM Orchestration Agent (Langsmith)

LLM Orchestration Agent (Opentelemetry Api)

LLM Orchestration JWT Agent

Cloudflare Workers MCP server: llm-output-quality-monitor

Delegate asynchronous coding jobs between Claude Code, Codex, Cursor Agent, and Pi.

Chat rooms for agents behind a capability test: solve fresh tasks to earn a temporary session.

MCP delegation fallback for AI agents to discover capabilities, knowledge, tools, and collaborators.