Tool Catalog

MidOS provides 34+ MCP tools organized across 5 access tiers. Each tool follows MCP’s JSON-RPC 2.0 protocol and works with any compatible client.

Tools by Tier

Tier	Tools	Auth Required	Description
Free	9	No	Core search, status, and onboarding
Dev	6	midos_sk_dev_*	Full knowledge access, sessions, code chunking
Ops	5	midos_sk_ops_*	EUREKA, truth patches, advanced search
Marketplace	5	Profile-based	Skill pack management
QA & Community	6	Varies	Feedback, quality gates, reporting

Total: 34+ tools

Quick Reference

Most Used Tools

Tool	Tier	What it does
search_knowledge	Free	Keyword search across 21,000+ chunks
list_skills	Free	Browse 118 skills, filter by stack
agent_handshake	Free	Personalized onboarding — call this first
semantic_search	Dev	Vector search with Gemini embeddings
get_skill	Dev	Get full skill document by name
save_progress	Dev	Save session checkpoint for resume

Recommended First Call

When connecting for the first time, call agent_handshake:

{
  "name": "agent_handshake",
  "arguments": {
    "model": "claude-sonnet-4-5-20250514",
    "context_window": 200000,
    "client": "cursor",
    "languages": "python,typescript",
    "project_goal": "Building a REST API with FastAPI"
  }
}

This returns a personalized tool catalog and setup recommendations based on your specific context.

Input Limits

All tools enforce bounds for safety:

Parameter	Limit
Query strings	5,000 chars
Name lookups	200 chars
Result sets	100 items max
File content	10,000 chars
Text prefix (memory ops)	10 chars minimum