Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
git clone --depth 1 https://github.com/Bilal140202/the-lord-of-the-skillsWrote 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/rules/bilal140202/the-lord-of-the-skills/mcp)<a href="https://agentmods.dev/rules/bilal140202/the-lord-of-the-skills/mcp"><img src="https://agentmods.dev/badge/rules/bilal140202/the-lord-of-the-skills/mcp/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/rules/bilal140202/the-lord-of-the-skills/mcp"><img src="https://agentmods.dev/badge/rules/bilal140202/the-lord-of-the-skills/mcp.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 | $0.00000 | $0.00535 |
| Opus 5.5 | $0.00000 | $0.00214 |
| Sonnet 5.5 | $0.00000 | $0.00107 |
| Haiku 4.5 | $0.00000 | $0.00053 |
Grade A, and why
mcp 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 1mo 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.
This is a copy
100% identical to mcp — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 48 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Model Context Protocol (MCP)
MCP is a standard protocol to exchange contextual data between clients, servers, and LLMs. This rule provides an at-a-glance reference for key concepts, spec versions, tooling, and best practices.
Core Concepts
- Lifecycle: Define session start/end, request and response phases.
- Messages: JSON-encoded context, prompts, and completions.
- Transports: HTTP, WebSocket, gRPC—pluggable transports for message delivery.
- Cancellation: Send cancellation messages to abort in-progress requests.
- Ping (Heartbeat): Keep connections alive; detect timeouts.
- Progress: Stream partial results and progress updates.
- Roots: External content references (e.g. code, docs) managed by ID.
- Sampling: Control streaming vs. non-streaming completions; fine-tune sampling parameters.
- Tools: Plugin external actions and APIs into LLM workflows.
Specification Versions
- Basic 2024-11-05: Overview, lifecycle, messages, transports, utilities (cancellation, ping, progress).
- Server/Client 2024-11-05: Prompts, resources, roots, sampling, tools, logging, pagination.
- Extended 2025-03-26: Authorization, architecture refinements, changelog.
- Drafts: Early designs; consult changelog for breaking changes.
SDKs & Examples
- TypeScript SDK: https://github.com/modelcontextprotocol/typescript-sdk
- Python SDK: https://github.com/modelcontextprotocol/python-sdk
- Java/Kotlin/C# SDKs: Refer to https://modelcontextprotocol.io
- Example Clients & Servers: https://modelcontextprotocol.io/examples.md
Best Practices
- Always annotate messages with spec version and timestamp.
- Use roots to manage large contexts; avoid embedding bulky data inline.
- Gracefully handle cancellation and errors; propagate clear error codes.
- Emit progress events for long-running streams to improve UX.
- Maintain a ping schedule to detect and recover dropped connections.
- Leverage tools to encapsulate external API calls and side effects.
- Follow spec utilities: logging, pagination, and completion conventions.
- Review the official spec and changelog regularly to stay up to date.
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.
- 1mo ago First seen · 48 lines · 0 tokens per session scan A 69ce09a659da
mcp is a cursor rule published in the GitHub repository Bilal140202/the-lord-of-the-skills (6 stars, last pushed 1mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 535 tokens. A static security scan graded it A with 0 findings. It is 100% identical to mcp, differing in 0 lines, and is treated as a copy.
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