deep-research

name

deep-research

description

Answer a broad, open-ended, or multi-part question by iteratively searching MFS-indexed sources, following up on gaps, and synthesizing a cited report — the same "reason and search over private data" job zilliztech/deep-searcher does, but as a skill on top of `mfs-find` instead of a standalone framework. Use when the user asks for a report, a comprehensive/synthesized answer, a "what do we know about X across everything we have", or a question that can't be answered from a single search hit. Trigger phrases include "write a report on X", "deep-dive into X using our data", "research X across all our sources", "give me a comprehensive answer on X with citations", "synthesize what we know about X". Do NOT use for a single fact lookup or a targeted question with an obvious one-hit answer — use `mfs-find` directly for that; this skill is for genuinely broad, multi-angle asks. Requires `mfs-find` for the underlying search/read mechanics.

Deep research over MFS-indexed sources

1. What this is (and what it replaces)

deep-searcher is an open-source framework that reasons over private data: it decomposes a question, iteratively searches a vector database, evaluates whether the evidence is sufficient, and synthesizes a cited report. Built before agentic coding tools existed, it had to hand-roll every piece itself — document loaders, a multi-provider LLM/embedding/vector-DB matrix, and a custom iterative-retrieval orchestration loop in Python.

None of that orchestration is needed anymore. MFS already does ingestion + hybrid search over many source types, and an agent's own reasoning loop already does "search, judge, follow up, repeat" natively once it has a search tool. This skill is that missing piece: not new retrieval code, just the strategy for running deep-searcher's decompose → search → evaluate → synthesize loop through mfs search / mfs cat.

This skill assumes mfs-find for the actual command mechanics (search modes, locators, --peek/--skim, index-status diagnosis). Read that skill for those details — this one only adds the multi-round strategy on top.