MCP server: static worst-case token-budget analysis for LLM-agent workflows (LangGraph/CrewAI/OpenAI-Agents) + signed budget certificates.
Free
4 servers across ai & agents, security & testing and payments & billing. The largest is Costwright.
AI & Agents · Security & Testing · Payments & Billing
4
servers published
3 categories
4k
downloads
counted by the registries
0
followers
told when a release lands
4 of 4
security-scanned
servers with a scan grade
4 MCP servers, most downloaded first. 4 of 4 are free to start.
Register/verify your domains, queue security scans, and read findings (CVE, severity).
Free
MCP server to validate EU e-invoices (Peppol, XRechnung, Factur-X, UBL/CII) and explain validation error codes — for AI coding agents
Free
MCP server for grounding / hallucination checking: verify a claim against evidence (Supported/Refuted/Not Enough Evidence) — for AI agents.
Free
Authentication
0 of 4 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
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Listed without a verification tick. Read the listing before installing.