Borrowing it
Nothing to install: this file belongs to Haris0059/ibu-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/Haris0059/ibu-mcp/main/AGENTS.mdgit clone --depth 1 https://github.com/Haris0059/ibu-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/haris0059/ibu-mcp/agents-md)<a href="https://agentmods.dev/instructions/haris0059/ibu-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/haris0059/ibu-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/haris0059/ibu-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/haris0059/ibu-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 | $0.00398 | $0.00398 |
| Opus 5.5 | $0.00159 | $0.00159 |
| Sonnet 5.5 | $0.00080 | $0.00080 |
| Haiku 4.5 | $0.00040 | $0.00040 |
Grade A, and why
ibu-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 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.
What it actually says
AGENTS.md
Project
This is a local stdio MCP server built with @modelcontextprotocol/sdk. It exposes IBU student-portal data through tools. The entry point is src/index.ts; HTTP and authentication code is in src/client.ts and src/auth.ts; domain tools live in src/tools/.
Commands
npm run devruns the TypeScript source withtsx.npm run buildcompiles the strict TypeScript project todist/.npm run test:mcpbuilds the server and performs a credential-free MCP handshake/schema smoke test from an unrelated working directory.npm startruns the compiled server.
MCP constraints
- Never write logs or banners to stdout.
StdioServerTransportreserves stdout for JSON-RPC. Use stderr for diagnostics. - Use the
ibu_<verb>_<noun>naming convention. - Add tools to the relevant array under
src/tools/, then register that array insrc/index.tsif it is a new domain. - Tool schemas currently support string, number, integer, boolean, optional string enums, descriptions, and required fields.
- Add state-changing tools to
writeToolsinsrc/index.ts; add irreversible tools todestructiveToolsas well. - Let
ibufetch()errors reach the common tool wrapper. The wrapper returns MCP errors withisError: true.
Authentication
IBU_ACCESS_TOKEN and IBU_USER_JWT come from request headers in the student's browser session. The server loads .env relative to the package root, not the MCP client's working directory. Never print, commit, or place real credentials in examples.
Verification
Run npm run test:mcp after changes. Live IBU API calls require the user's current credentials and should only be made when explicitly needed. A 401 generally means the browser-session JWT expired.
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 · 30 lines · 398 tokens per session scan A bee466da91d9
ibu-mcp AGENTS.md is an instructions file published in the GitHub repository Haris0059/ibu-mcp (1 stars, last pushed 1mo ago), licensed MIT. It adds 398 tokens to every session, about $0.0016 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 2026-09-23.
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