Fidelis Memory

Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/hermes-labs-ai-fidelis-memory

About

Use cases: agent-memory, knowledge-base

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Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools

4 read · 1 write · 0 delete · 1 not yet classified

Secrets

None asked for

Install scripts

None found

Runs as

Python package

Tools (6)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

• fidelis_correct

  Correct a memory that is wrong or outdated, in one call: stores `text` as a new record superseding `id`. The old record is kept, marked superseded, and stays visible in fidelis_get's history -- nothing is deleted. `id` must come from a prior fidelis_recall or fidelis_get result; an unknown id is rejected. If `id` is already superseded, this reports the current replacement instead of writing, unless force=true. Do not use this for a brand-new, unrelated fact -- use fidelis_store instead.

• fidelis_get

  Fetch exactly one memory by id, verbatim, with its correction chain in both directions: what it replaced (oldest last) and what replaced it (newest last). Use this to resolve a "SUPERSEDED by <id>" marker from fidelis_recall, or to confirm an id before passing it to fidelis_correct. An unknown id is an error. Do not use this to find a memory by topic -- use fidelis_recall instead.

• fidelis_health

  Check whether the memory backend is up, and see store-wide stats (current/superseded/expired counts, oldest/newest record, queue and dead-letter depth) in one call. Call this after any other fidelis_* tool returns isError, before retrying. Do not call this to search memory -- use fidelis_recall for that.

• fidelis_recall

  Search stored memories for `query`. Call before answering questions about prior work, decisions, or past conversations. Default mode="fast" (vector search, ~0.1s); use mode="thorough" only when a fast result looks wrong or stakes are high (~3s, hybrid search). Current facts list first, superseded/expired after, marked. Every hit shows its id, status, and recorded date. Fix a stale hit with fidelis_correct; see its history with fidelis_get. Do not use this to store a new fact -- use fidelis_store instead.

• fidelis_recent

  List memories by recency, no search query needed -- good for "what changed recently" or catching up after time away. `since` (ISO-8601) is a lower bound: only records at or after it. kind="corrections" shows only memories that corrected an older one, with the id(s) they replaced. Do not use this to find a memory about a topic -- use fidelis_recall instead.

• fidelis_store

  Remember or store one new, self-contained memory verbatim -- exact text, not a summary. Optional valid_from/valid_to/event_at/source, and supersedes (ids this replaces; unknown or another user's ids are rejected). The reply echoes recorded_at and any declared window so you can confirm without a recall. Do not use this to correct something already in memory -- use fidelis_correct with the old id instead of storing a near-duplicate.

Signals

Stars

24

Forks

3

Open issues

4

Contributors

4

Weekly downloads

66

Last commit

Oct 19, 2026 (9 days ago)

Last release

Sep 20, 2026 (1 month ago)

Last package publish

Sep 20, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Registry name

io.github.hermes-labs-ai/fidelis-memory

Version

0.2.0

Auth

No auth

Packages

pypi fidelis-memory

License

Apache-2.0

Repository

github.com/hermes-labs-ai/fidelis

Website

github.com/hermes-labs-ai/fidelis

First seen

Oct 24, 2026

Last checked

Oct 24, 2026

Source

Official MCP Registrygithub-graphql