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.
npx skills add jamon8888/hacienda-private --skill api-server-mcpgit clone --depth 1 https://github.com/jamon8888/hacienda-privateWrote 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/skills/jamon8888/hacienda-private/api-server-mcp)<a href="https://agentmods.dev/skills/jamon8888/hacienda-private/api-server-mcp"><img src="https://agentmods.dev/badge/skills/jamon8888/hacienda-private/api-server-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/skills/jamon8888/hacienda-private/api-server-mcp"><img src="https://agentmods.dev/badge/skills/jamon8888/hacienda-private/api-server-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 | $0.00012 | $0.02116 |
| Opus 5 | $0.00006 | $0.01058 |
| Sonnet 5 | $0.00002 | $0.00423 |
| Haiku 4.5 | $0.00001 | $0.00212 |
Grade A, and why
api-server-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 9d 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.
How it starts
The opening of the file, as written. The whole thing — 212 lines — stays where its author put it; the contents beside it link to each section on GitHub.
API Server & MCP Protocol
Axum server design for document extraction endpoints, middleware, async processing, and Model Context Protocol integration for AI agents
Xberg API Architecture
Location: crates/xberg/src/api/, crates/xberg-cli/
Xberg provides a dual REST API + MCP server built with Axum + Tokio.
Request Flow:
HTTP Client / AI Agent (Claude)
|
[Transport Layer]
├── REST API (Axum HTTP)
└── MCP Protocol (HTTP or Stdio)
|
[Middleware Layer]
├── CORS, Request Logging (TraceLayer)
├── Request/Response size limits
└── Rate limiting (optional)
|
[Router]
├── REST Endpoints
│ ├── POST /extract - File upload extraction
│ ├── POST /extract-url - URL-based extraction
│ ├── GET /formats - List supported formats
│ ├── GET /health - Server health check
│ ├── POST /batch - Batch document processing
│ ├── GET /cache/stats - Cache statistics
│ └── DELETE /cache - Clear extraction cache
├── MCP Endpoints
│ ├── POST /mcp/tools - List available tools
│ ├── POST /mcp/tools/call - Call a tool
│ ├── GET /mcp/resources - List resources
│ ├── GET /mcp/resources/:uri - Read resource
│ ├── GET /mcp/prompts - List prompts
│ └── GET /mcp/prompts/:name - Get prompt
|
[Handler / Tool Layer]
├── extract_handler / extract tool
├── extract_async_handler / extract_batch tool
├── health_handler / get_capabilities tool
└── format_handler
|
[Extraction Core]
├── Format detection
├── Extraction pipeline
├── Post-processing (chunking, embeddings)
└── Result formatting
|
JSON Response / MCP ToolResult
Server Setup & Configuration
Location: crates/xberg/src/api/server.rs
Server initialization pattern: Create ApiState (holds ExtractionConfig + ExtractionCache), build Axum Router with all REST + MCP routes, apply middleware layers (body limits, CORS, tracing), serve via tokio::net::TcpListener.
Key middleware layers applied in order:
DefaultBodyLimit::max(100MB)+RequestBodyLimitLayer-- configurable via env varsCorsLayer::permissive()-- restrict in production viaCORS_ALLOWED_ORIGINSTraceLayer::new_for_http()-- request/response logging
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.
- 9d ago First seen · 212 lines · 12 tokens per session scan A 347fe230c8d5
api-server-mcp is a skill published in the GitHub repository jamon8888/hacienda-private (0 stars, last pushed 1mo ago), licensed MIT. It adds 12 tokens to every session and 2,116 once invoked, about $0.0001 per session on Opus 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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