people-context-mcp 0.1.0

Local-first MCP server giving AI agents contextual knowledge about the people in your life

people-context-mcp

A local-first MCP server that gives AI coding agents and personal agent systems durable, user-owned context about the people they mention.

Why

A model can recognize a name but does not know who that person is in the user's life. people-context-mcp keeps identity, aliases, relationships, roles, durable facts, concise interactions, communication preferences, and follow-ups in a local SQLite file, then exposes narrow tools that resolve identity and disclose only what a request needs.

Status

M7 — relationship graph & vault export delivered. Relationship types are data-backed and canonicalized, relationship reads add perspective display_type, two bounded read-only graph tools are available, and the CLI can generate a deterministic marker-owned Obsidian vault. Existing field meanings, resolution behavior, JSON export envelope, and M6 sync capture remain compatible. The merge_people result intentionally adds the duplicate_relationships_removed field, reporting how many overlapping relationship edges were collapsed; callers that ignore unknown response fields require no changes.

Features

• explainable exact/normalized/FTS/fuzzy identity resolution with aliases and ambiguity handling;
• bounded person context with sensitivity and purpose gates;
• canonical relationship vocabulary, synonyms, inverse pairs, symmetric types, and uncategorized extensions;
• minimal-disclosure relationship graph and shortest-path MCP tools with explicit caps/truncation;
• organizations and time-aware affiliations;
• separate facts, observations, traits, and concise interaction summaries;
• communication guidance grounded in traits, interaction friction, reminders, and user-authored philosophy;
• reviewable email/mbox/vCard/agent-candidate imports without retaining raw source content;
• optional pinned multilingual Model2Vec + sqlite-vec semantic retrieval;
• atomic audit plus replay changelog/HLC capture for every durable write;
• merge, forget/redaction, unchanged JSON export, and safe Obsidian vault export;
• stdio by default and explicit unauthenticated loopback-only Streamable HTTP.

Quick start

Requires Python 3.11+ and uv.

Install the published package:

uv tool install people-context-mcp
people-context-mcp

For local development:

git clone https://github.com/JinyangWang27/people-context-mcp.git
cd people-context-mcp
uv sync
uv run people-context-mcp

Loopback HTTP is opt-in:

uv run people-context-mcp --http --host 127.0.0.1 --port 8765

The endpoint is http://127.0.0.1:8765/mcp. It is unauthenticated and must be treated as accessible to other local processes. Prefer stdio.

Example: graph-aware context and vault

After recording people and relationships through MCP, inspect structure with get_relationship_graph or find_connection, then create a human-browsable vault:

uv run people-context export-vault --output ~/PeopleVault

The directory is accepted only when nonexistent, empty, or already marked with .people-context-vault. Re-export is byte-deterministic over unchanged data. Sensitive/restricted facts require the explicit --include-sensitive flag; exported files are outside server disclosure controls.

MCP client configuration

Claude Code:

claude mcp add people-context -- uv run --directory /path/to/people-context-mcp people-context-mcp

Generic stdio configuration:

{
  "mcpServers": {
    "people-context": {
      "command": "uv",
      "args": ["run", "--directory", "<repo>", "people-context-mcp"]
    }
  }
}

Security model

This project executes local Python with the launching user's filesystem permissions. The database is plaintext SQLite; rely on filesystem permissions and full-disk encryption. Ordinary MCP discovery excludes elevated sensitive context and full export. Operator-gated tools require process environment flags; models cannot enable them through arguments. Vault export is intentionally CLI-only.

Optional semantic search

The base install downloads nothing. Opt in explicitly:

uv sync --extra semantic
uv run people-context reindex --semantic

Only that reindex command may download the pinned multilingual model. Server startup/search are cache-only.

Database location

Server and CLI use the first available source:

1. explicit --db/server argument;
2. PEOPLE_CONTEXT_DB;
3. db_path in the XDG config file;
4. OPENCLAW_WORKSPACE or ~/.openclaw/workspace;
5. the XDG data fallback.

Inspect the selected path with uv run people-context db-path -v.

CLI overview

uv run people-context db-path [-v]
uv run people-context list [--all]
uv run people-context search <query>
uv run people-context show <person>
uv run people-context export [--output FILE]
uv run people-context relationship-types
uv run people-context relationship-types add TYPE --category C [--inverse T | --symmetric]
uv run people-context normalize-relationships [--apply]
uv run people-context export-vault --output DIR [--include-sensitive]
uv run people-context edit PERSON [--name NAME] [--summary TEXT]
uv run people-context add-alias PERSON VALUE [--kind KIND]
uv run people-context set communication_philosophy VALUE
uv run people-context delete PERSON [--yes]
uv run people-context sync-log [--limit N] [--entity ID] [--payloads]
uv run people-context reindex [--semantic]

See docs/cli.md.

Architecture

The codebase follows ports and adapters:

adapters (SQLite, MCP, filesystem, imports, CLI)
        ↓ implement
ports (narrow Protocols)
        ↑ used by
app (use cases and policy)
        ↓ operates on
domain (entities and values)

Dependencies point inward. Vocabulary normalization and graph caps live in app/domain; recursive SQL and file writing live in adapters. One composition root wires both stdio and HTTP.

Documentation

Document	Contents
docs/architecture.md	Layering, dependency rule, entrypoint wiring
docs/data-model.md	Schema including migrations 002/003 and display_type
docs/relationship-graph.md	Vocabulary, normalization, perspective, traversal, curation
docs/vault-export.md	Layout, marker safety, determinism, sensitivity
docs/mcp-interface.md	MCP tools and stable response contracts
docs/cli.md	CLI commands and DB resolution
docs/design/sync.md	Sync design and M6 local foundations
docs/releasing.md	PyPI trusted publishing, Codecov, and release procedure
docs/privacy-and-safety.md	Disclosure, audit, forget, threat model
docs/roadmap.md	M0 through M7

Contributing

• Keep domain/app independent of SQLite, MCP, and filesystem adapters.
• Use narrow Protocol ports and fake-port tests for app behavior.
• Run uv run ruff check . and uv run pytest -q.
• Line length is 120.

License

MIT. See LICENSE.