fidelislisted
Install: claude install-skill hermes-labs-ai/fidelis
# fidelis
fidelis is local-first retrieval memory for AI agents and Claude Code. The
default zero-LLM path returns stored passages verbatim — no LLM call, no
rephrasing risk. It layers a compressed markdown snapshot index (~741 tokens)
on top of two-stage recall (BM25 + dense + reciprocal-rank-fusion) for
cross-reference queries flat memory or vector-only RAG miss.
## Use it for
- Standing up a local HTTP memory server an agent host queries before/instead
of a model call
- Zero-LLM recall (`recall-hybrid`, `recall_b`) where verbatim, unmodified
text must come back
- Bulk-seeding a corpus from markdown/text files and querying it immediately
- Wiring an MCP memory tool into Claude Code, Codex, GitHub Copilot CLI,
Gemini CLI, or OpenClaw via `fidelis mcp install`
## Do not use it for
- A hosted, multi-tenant memory platform (this is a local process/service)
- A guarantee that retrieval accuracy transfers unchanged to a different
corpus or workload — published numbers are project measurements on
LongMemEval-S, not independent replication
- Proving a model's stored claim is factually true — fidelis returns what was
stored, it does not fact-check it
## Quickstart
```bash
pip install "fidelis-memory==0.1.0"
fidelis health
```
Or without installing, via [uv](https://docs.astral.sh/uv/):
```bash
uvx --from fidelis-memory fidelis health
```
Real output against a running local instance:
```
status: ok | memories: 147980 | version: 1.0.0a2 | calibrated: yes