sg-eli-mcp

An MCP server for Singapore Statutes Online (SSO, sso.agc.gov.sg), the Attorney-General's Chambers' official portal for Singapore legislation. It browses, fetches, and cites Acts, with a verifiable citation on every response.

Part of the MateMatic eu-legal-mcp production line, extended into Asia alongside jp-eli-mcp. Same citation contract (a stable identifier + a human-readable citation + a source URL), adapted for a jurisdiction with no ELI and no public search API.

Scope. SSO's robots.txt disallows /search; discovery here is by browsing the current Acts listing (sg_list_acts, paginated), not by title or keyword query. Fetch a specific section (sg_get_provision) or the full text (sg_get_full_text, truncated for very large Acts). Every response carries a dataset_note.

Licence. SSO legislation is official public information published by the Singapore government. This connector relays it with attribution and a source_url, respects robots.txt (no /search calls), and does not cache more aggressively than a normal browser visit would.

The tools

Every response carries the contract: eli_uri (Singapore has no ELI - this is the durable SSO act URL, e.g. https://sso.agc.gov.sg/Act/CoA1967, see eli_note), human_readable_citation (the Act title as SSO itself renders it, e.g. Companies Act 1967), and source_url.

Install

Not yet on PyPI - install from source until the first release ships:

git clone https://github.com/matematicsolutions/sg-eli-mcp
cd sg-eli-mcp
pip install -e .

Once released, this will be uvx sg-eli-mcp.

Configuration via env:

• SG_ELI_BASE_URL - default https://sso.agc.gov.sg
• SG_ELI_CACHE_DIR - default ~/.matematic/cache/sg-eli
• SG_ELI_AUDIT_DIR - default ~/.matematic/audit

No API key. SSO is keyless.

Configure (Claude Code / any MCP client)

{
  "mcpServers": {
    "sg-eli-mcp": { "command": "sg-eli-mcp" }
  }
}

Governance

• Public data only - read-only against SSO; no client data leaves the machine.
• Robots-compliant - never calls /search (disallowed by SSO's robots.txt); discovery uses only the allowed /Browse listing.
• Audit log - every tool call appends one JSON line to ~/.matematic/audit/sg-eli-mcp.jsonl.
• Vendor-neutral - talks only to sso.agc.gov.sg; no LLM provider, no telemetry.
• Verifiable citations - every response is independently checkable via source_url.

See CONSTITUTION.md and DISCOVERY.md.

Tests

pip install -e ".[dev]"
pytest tests/test_instructions_drift.py -v   # offline
pytest tests/test_smoke.py -v                # hits live SSO

Licence

Apache-2.0. © Matematic Solutions / Wieslaw Mazur.