io.github.CSOAI-ORG/openchronicle-mcp

openchronicle-mcp

Memory database for LLM agents — persistent semantic + keyword memory, project namespacing, served o

16 7 tools GitHub PyPI

No known CVEs

AGPL-3.0 license

Actively maintained

Last commit 5d ago

Works with most clients

Transport: stdio, http

7 tools · ~183 tok

Grade A · 0.1% of 200K ctx

MCPpedia last refreshed this data 1d ago

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io.github.CSOAI-ORG/openchronicle-mcp is an MCP server that memory database for LLM agents — persistent semantic + keyword memory, project namespacing, served o. Its tool list has not been published yet over stdio and http, requires no API key, and scores 88/100 on MCPpedia's security, maintenance and efficiency rubric.

Data AI / ML

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-csoai-org-openchronicle-mcp": {
      "args": [
        "openchronicle-mcp"
      ],
      "command": "uvx"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-csoai-org-openchronicle-mcp)](https://mcppedia.org/s/io-github-csoai-org-openchronicle-mcp)

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What io.github.CSOAI-ORG/openchronicle-mcp does

Memory database for LLM agents — persistent semantic + keyword memory, project namespacing, served o

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.

uvx 'openchronicle-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

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Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

88/100across 5 weighted dimensions

How we score →

0255075100

−12

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked openchronicle-mcp against OSV.dev.

Inventory

Tools (7)

Click any tool to inspect its schema.

~183 tokens total

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.CSOAI-ORG/openchronicle-mcp safe to use?: io.github.CSOAI-ORG/openchronicle-mcp has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under AGPL-3.0.
How do I install io.github.CSOAI-ORG/openchronicle-mcp?: io.github.CSOAI-ORG/openchronicle-mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.CSOAI-ORG/openchronicle-mcp do?: io.github.CSOAI-ORG/openchronicle-mcp provides 7 tools: LICENSE, Install, Quickstart, Architecture, Documentation and 2 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.CSOAI-ORG/openchronicle-mcp?: io.github.CSOAI-ORG/openchronicle-mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is io.github.CSOAI-ORG/openchronicle-mcp actively maintained?: io.github.CSOAI-ORG/openchronicle-mcp is actively maintained - last commit was 5 days ago. It has 16 GitHub stars.

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Community

Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?

What it does

Persistent memory across sessions. Save decisions, milestones, and rejected approaches that survive context compression and new conversations. Retrieve them with hybrid full-text and semantic search via Reciprocal Rank Fusion.

Project namespacing. Memory is scoped to projects, so context for one workstream doesn't leak into another.

Git onboarding. Clone a repo, cluster commits by relatedness, return summaries ready for memory ingestion. Seeds long-term memory with the WHY behind existing code.

One process, two transports. FastAPI hosts both the REST surface (/api/v1/*) and the MCP streamable-HTTP transport (/mcp) on the same port. Single container, single port mapping, single healthcheck.

Embedding-failure degradation. When the embedding provider goes down, search degrades cleanly to FTS5-only and surfaces the degraded state via /api/v1/health and the MCP health tool. Backfill catches up when the provider returns; the static /health endpoint remains a minimal liveness probe.

Optional operational metrics. Released images (since v3.4.0) include the bounded Prometheus recorder and guarded /metrics endpoint, off by default. Opt in with OC_METRICS_ENABLED=true; enabling it in production stays subject to the performance gates. See the metrics configuration and the optional local monitoring runbook.

Schema migration framework. Versioned .sql migrations with savepoint atomicity. Re-runs are idempotent. Future schema changes drop in as NNN_<slug>.sql files.

Verified online backups. Uses SQLite's online backup API; each nightly snapshot is published with a verified manifest in OC_BACKUP_DIR, and one that fails verification is quarantined. Backup-before-destructive policy: vacuum runs a backup first as part of the same job. Integrity-check failures trigger emergency backups.

Optional encrypted offsite copies. A nightly job encrypts the newest snapshots with age and copies them to any rclone remote, append-only. See cloud_backup.md.

What it isn't

Not a conversation engine. v3 has no LLM. Use Claude Code, Goose, Open WebUI, etc. via the MCP server.

Not multi-tenant. Single user. Bearer-token auth via OC_API_KEY is supported but optional — disabled by default for trusted-LAN deployments. See docs/configuration/security_posture.md for the when-to-enable guidance.

Not a cloud sync layer. The DB lives on your hardware. Backups go to a local backup directory and, optionally, encrypted to a cloud remote, as backup only. Cross-device sync isn't built in (docs/design/0001-cloud-backup.md).

By design.

Frequently Asked Questions

Is io.github.CSOAI-ORG/openchronicle-mcp safe to use?

io.github.CSOAI-ORG/openchronicle-mcp has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under AGPL-3.0.

How do I install io.github.CSOAI-ORG/openchronicle-mcp?

io.github.CSOAI-ORG/openchronicle-mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.CSOAI-ORG/openchronicle-mcp do?

io.github.CSOAI-ORG/openchronicle-mcp provides 7 tools: LICENSE, Install, Quickstart, Architecture, Documentation and 2 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.CSOAI-ORG/openchronicle-mcp?

io.github.CSOAI-ORG/openchronicle-mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.

Is io.github.CSOAI-ORG/openchronicle-mcp actively maintained?

io.github.CSOAI-ORG/openchronicle-mcp is actively maintained - last commit was 5 days ago. It has 16 GitHub stars.