Borrowing it
Nothing to install: this file belongs to ravendb/ravendb-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/ravendb/ravendb-mcp/main/AGENTS.mdgit clone --depth 1 https://github.com/ravendb/ravendb-mcpWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/ravendb/ravendb-mcp/agents-md)<a href="https://agentmods.dev/instructions/ravendb/ravendb-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/ravendb/ravendb-mcp/agents-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/ravendb/ravendb-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/ravendb/ravendb-mcp/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00259 | $0.00259 |
| Opus 5.5 | $0.00104 | $0.00104 |
| Sonnet 5.5 | $0.00052 | $0.00052 |
| Haiku 4.5 | $0.00026 | $0.00026 |
Grade A, and why
ravendb-mcp AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
RavenDB MCP: Agent Orientation
What this is
A local, external read-only MCP diagnostics server for RavenDB, written in C# (.NET 10) and spoken over stdio. It connects to one RavenDB cluster via configured URL(s) and an optional client certificate, and exposes read-only tools so an AI agent can assess cluster / database / index / task / storage / performance state and (read-only) data without hand-crafting REST calls.
- Transport is stdio, so all logs go to stderr; never write to stdout.
- The server targets one cluster; list that cluster's node URLs in configuration.
- It is read-only: no write or delete tools. Read-only document and query access is allowed; everything else is metadata / diagnostics.
Conventions
- Keep the tool surface and result schemas small: they are agent-facing API contracts and a context-window cost. Prefer permissive
JsonElementpayloads described in each tool's[Description]over fully-expanded schemas. - Every tool is read-only and carries a dual-use description (when to use it + what it returns).
- Make failure explicit at the boundary; avoid hidden fallbacks or future-proofing the current feature does not need.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2mo ago First seen · 16 lines · 259 tokens per session scan A d8634d83f9e7
ravendb-mcp AGENTS.md is an instructions file published in the GitHub repository ravendb/ravendb-mcp (2 stars, last pushed 7d ago), licensed MIT. It adds 259 tokens to every session, about $0.0010 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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