govuk-mcp: Instructions file for Codex

AGENTS.md

govuk-mcp AGENTS.md is an instructions file for Codex, OpenCode from paulieb89/govuk-mcp. It costs 422 tokens per session, scanned A, original, MIT.

A set of repository instructions for govuk-mcp, a server that provides searchable access to UK government website content and related information. It documents the project layout, deployment process, version releases, and required web routes.

In plain words
What is it for?
Changing, releasing, deploying, and verifying govuk-mcp, including its government-content search tools and postcode lookup.
Why use it?
It puts the operational steps and required endpoints in one place for an AI coding agent. This helps prevent missing health checks, metadata routes, release updates, or deployment details.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md.

This is paulieb89/govuk-mcp's own configuration. It tells Codex and OpenCode how to work on govuk-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything govuk-mcp configures →

Not installable: its command points at a path on the author’s own machine, so it runs nowhere else. The line is /home/bch/dev/ops/OPS.md.

Reuse

Borrowing it

Nothing to install: this file belongs to paulieb89/govuk-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/paulieb89/govuk-mcp/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/paulieb89/govuk-mcp

Made for: Codex, OpenCode.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for govuk-mcp AGENTS.md

README.md
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Your own site · 80×15
<a href="https://agentmods.dev/instructions/paulieb89/govuk-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/paulieb89/govuk-mcp/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 422 This file is loaded in full into every session.
When invoked 422 The same file — it is already loaded in full.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00422 $0.00422
Opus 5 $0.00211 $0.00211
Sonnet 5 $0.00084 $0.00084
Haiku 4.5 $0.00042 $0.00042

Measured 9d ago against content hash d4df6381b5ad, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

govuk-mcp AGENTS.md scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl https://govuk-mcp.fly.dev/.well-known/mcp/server-card.json
AGENTS.md · 48 lines

What it actually says

AGENTS.md — govuk-mcp

AI agent instructions for working in this repo. See /home/bch/dev/ops/OPS.md for credentials, fleet overview, and release tooling.

Repo shape

Single server.py. Tools: govuk_search, govuk_get_content, govuk_get_section, govuk_grep_content, govuk_get_organisation, govuk_list_organisations, govuk_lookup_postcode.

Deploy

Auto-deploy on push to main via GitHub Actions (.github/workflows/fly-deploy.yml). Manual: fly deploy --ha=false

Single instance, lhr region. App name: govuk-mcp. Fly.io account: [email protected].

Version bump

  1. Update version in pyproject.toml
  2. Update version string in the smithery_server_card route in server.py
  3. Commit, tag vX.Y.Z, push + push tags
  4. GitHub Actions publishes to PyPI and deploys to Fly automatically on tag
  5. Cut a new Glama release

Standard routes (must always be present)

  • /.well-known/mcp/server-card.json — Smithery metadata
  • /.well-known/glama.json — Glama maintainer claim
  • /health — Fly health check

Verify after deploy:

curl https://govuk-mcp.fly.dev/.well-known/mcp/server-card.json
curl https://govuk-mcp.fly.dev/.well-known/glama.json
curl https://govuk-mcp.fly.dev/health

README badge order

PyPI → SafeSkill → Glama card → Smithery

Do not

  • Do not use FASTMCP_PORT — the server reads PORT env var only
  • Do not set internal_port in fly.toml to anything other than 8080
  • Do not commit API keys — all secrets are in Fly secrets (fly secrets list)
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 48 lines · 422 tokens per session scan A d4df6381b5ad

Subscribe to this mod's changes

govuk-mcp AGENTS.md is an instructions file published in the GitHub repository paulieb89/govuk-mcp (3 stars, last pushed 1mo ago), licensed MIT. It adds 422 tokens to every session, about $0.0021 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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