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hmem — Humanlike Memory for AI Agents MCP Server

Persistent 5-level hierarchical memory for AI agents. SQLite-backed, lazy-loaded.

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled hmem — Humanlike Memory for AI Agents yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as hmem-mcp on npm. Runs locally.

Known issues

14 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 11.

Most discussed

Advisory badge for hmem-mcp?

Saw the publish rename to hmem-mcp (npm name-similarity). There's a directory card at https://mcpindex.ai/server/io-github-bumblebiber-hmem-mcp

Paste-ready README badge (advisory screen — not a safety cert):

mcpindex

Reply if the title/blurb should match the Claude Code memory framing more closely.

Thank you, GB https://mcpindex.ai

Read the thread · 2026-07-12 · closed · external user · 3 comments

Windows compatibility: OpenCode plugin broken on Windows (4 bugs)

Environment

  • OS: Windows 11
  • hmem-mcp version: 6.3.2
  • OpenCode with bundled plugin (~/.config/opencode/plugins/hmem.js)
  • Node.js resolves hmem as hmem.ps1 (npm global install)

Summary

The OpenCode plugin introduced in v6.3.2 does not work on Windows due to four separate issues. Individually none is fatal on other platforms, but together they cause silent failure — no exchanges are logged, no diagnostics are written, and no errors surface to the user. The fixes are what I did t

Read the thread · 2026-04-14 · closed · external user · 1 comment

write_memory: MCP should coerce stringified arrays for tags/links instead of rejecting

Problem

When an AI agent calls write_memory with tags or links as a JSON-serialized string instead of a native array, the MCP server returns an opaque validation error:

``` MCP error -32602: Input validation error: Invalid arguments for tool write_memory: [ { "expected": "array", "code": "invalid_type", "path": ["links"], "message": "Invalid input: expected array, received string" }, ... ] ```

Example of the bad call

``` write_memory( prefix: "E"

Read the thread · 2026-04-02 · closed · external user · 1 comment

audit_state.json tracks agent without .hmem file → read_agent_memory fails silently

Bug Description

get_audit_queue() returns agent "default" as modified, but read_agent_memory("default") responds with:

No .hmem found for agent "default" (expected: /mnt/user/appdata/claude-code/hmem/Agents/default/default.hmem)

Steps to Reproduce

  1. Run get_audit_queue() → agent "default" appears in queue with a modification timestamp
  2. Run read_agent_memory("default") → returns "No .hmem found"

Expected Behavior

audit_state.json should only track agents that hav

Read the thread · 2026-03-30 · closed · external user · 1 comment

hmem checkpoint hook missing from auto-install (checkpointMode: "auto" has no effect)

When checkpointMode is set to "auto" in hmem.config.json, the checkpoint Haiku subagent never runs.

Root cause: hmem-startup.sh skips the checkpoint reminder in auto mode with this comment:

"Remind mode only — auto mode is handled by Stop hook (hmem log-exchange + hmem checkpoint)"

But hmem init only installs two Stop hooks:

  • hmem-log-exchange.sh
  • hmem-title-o-entries.sh

The third Stop hook calling hmem checkpoint is never added to settings.json.

**Expected behavior

Read the thread · 2026-03-30 · closed · external user · 1 comment

Most recent

/o9k-curate skill references wrong MCP server name; setup doesn't register curate server

Summary

The /o9k-curate skill instructs users to enable an MCP server named o9k-curate, but the installed binary is hmem-curate (per package.json#bin) and the default hmem setup never registers it as an MCP server. This leads to a dead-end: the user opens /mcp, finds no o9k-curate entry, and has no documented path to fix it.

Found on its-over-9k@1.3.4, macOS 15.5, Claude Code.

Repro

  1. npm i -g its-over-9k (fresh install) → registers only the o9k MCP server in `~/.c

Read the thread · 2026-05-20 · closed · external user · 1 comment

Windows: hmem init writes spurious leading \\ in mcp-server.js path in opencode.json

Environment

  • OS: Windows 11
  • hmem-mcp: pre-v6.3.2 (present before recent plugin changes)
  • OpenCode global config: ~/.config/opencode/opencode.json

Description

After running hmem init on Windows, the MCP server entry written to opencode.json contains a malformed path for mcp-server.js:

"command": [
  "C:\\Program Files\\nodejs\\node.exe",
  "\\C:\\Users\\myoun\\AppData\\Roaming\\npm\\node_modules\\hmem-mcp\\dist\\mcp-server.js"
]

Note the spurious \\ prefix bef

Read the thread · 2026-04-14 · closed · external user · 1 comment

Multi-shell: log-exchange and statusline not session-aware — wrong project in both

Problem

When working on two different projects in two Claude Code shells simultaneously, both statusline and log-exchange resolve the active project via a global DB query:

SELECT id, title FROM memories WHERE prefix='P' AND obsolete!=1 ORDER BY updated_at DESC LIMIT 1

This means:

  • Statusline shows the same (globally most-recently-updated) project in both shells
  • log-exchange (Stop hook) logs conversation exchanges from Shell 2 into the O-entry of Shell 1's projec

Read the thread · 2026-04-13 · closed · external user · 1 comment

context-inject and hook-startup don't provide a verified active project ID, causing agent to hallucinate load_project IDs

Summary

When context-inject runs after /clear, it ends with:

(Context re-injected after /clear. Use load_project for full briefing, read_memory(id) to drill into specific entries.)

This tells the agent to call load_project but does not specify which project ID to use. If multiple projects have "Active" in their title, the agent has no reliable source for a valid ID and hallucinates one (e.g. P0043, P0052) — neither of which exists in the database.

Reproduction

  1. Hav

Read the thread · 2026-04-13 · closed · external user · 1 comment

hmem init ignores existing 'claude mcp' config, missing HMEM_PATH causes cryptic SQLite error

Bug Description

hmem init writes MCP config to ~/.claude.json, but Claude Code CLI manages its own MCP server registry via claude mcp add. If the user has previously run claude mcp add hmem ... hmem serve (without HMEM_PATH), init writes to the wrong location and the broken claude mcp entry remains active.

Root Cause (two issues)

1. hmem init doesn't detect existing claude mcp entries

hmem init writes to ~/.claude.json, but Claude Code CLI ignores this file fo

Read the thread · 2026-04-07 · closed · external user · 1 comment

spawn('hmem') fails when hmem is not in system PATH (e.g. Unraid)

Bug

In `dist/cli-log-exchange.js` (line 121), the auto-checkpoint feature spawns `hmem` by name:

const child = spawn("hmem", ["checkpoint"], { ... });

This fails with `Error: spawn hmem ENOENT` on systems where `hmem` is installed in a non-standard location not in the system PATH.

Steps to reproduce

  1. Install hmem-mcp globally to a custom prefix (e.g. /mnt/user/appdata/npm-global)
  2. That path is NOT in the system PATH (on Unraid, /usr/local/bin is wiped on reboot)
  3. Set

Read the thread · 2026-03-29 · closed · external user · 1 comment

See all 14 reports Pod holds for hmem — Humanlike Memory for AI Agents.

Firsthand observations

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For agents

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  • 14 problems reported from outside the maintainer team
  • No tool list published — Pod has not verified what it exposes
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