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fred-mcp CLAUDE.md

fred-mcp CLAUDE.md is an instructions file for coding agents from mcpwright/fred-mcp. It costs 884 tokens per session, scanned A, original, MIT.

Repository instructions for fred-mcp, a server in the mcpwright suite that connects an AI agent to the Federal Reserve Bank of St. Louis FRED data service. They define rules for API keys, caching, data handling, and required notices.

In plain words
What is it for?
They guide development of live FRED data access, temporary caching, missing-key handling, logging, and compliance documentation.
Why use it?
They help maintain the server without exposing users’ FRED API keys, bulk-copying third-party data, or violating the service’s terms of use.

Instructions file

not rated 0 14d ago A scan 884 tokens original MIT
View the source file mcpwright/fred-mcp
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add instructions/mcpwright/fred-mcp/claude-md
Clone the repo
git clone --depth 1 https://github.com/mcpwright/fred-mcp

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 fred-mcp CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/mcpwright/fred-mcp/claude-md.svg)](https://agentmods.dev/instructions/mcpwright/fred-mcp/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/mcpwright/fred-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/mcpwright/fred-mcp/claude-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 884 This file is loaded in full into every session.
When invoked 884 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.00884 $0.00884
Opus 5 $0.00442 $0.00442
Sonnet 5 $0.00177 $0.00177
Haiku 4.5 $0.00088 $0.00088

Measured 3d ago against content hash ea56844f3ccf, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

fred-mcp CLAUDE.md scanned grade A with 0 findings 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 3d 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 57 lines

How it starts

The opening of the file, as written. The whole thing — 57 lines — stays where its author put it; the contents beside it link to each section on GitHub.

fred-mcp — working agreement

fred-mcp is server #4 of the mcpwright suite (github.com/mcpwright): polished, public MCP servers that bring a real-world data source into any agent. It follows the bar set by edgar-mcp (the reference server) and builds on mcpwright-core.

The full written rubric is ~/my-notes/professional-self-improvement/mcpwright/mcp-standards.md. The design doc is ~/my-notes/professional-self-improvement/mcpwright/fred-mcp-plan.md.

Non-negotiable policies

  • FRED ToU compliance (this repo's special constraint — full review in the design doc):
    • No bulk mirroring. Live API + TTL cache only; never persist FRED data to disk.
    • BYO key. The user's own free FRED_API_KEY; never ship or embed a key; fail fast pre-network (MissingKeyError). The key is a query param — it must never appear in error messages, logs, or anything the model sees.
    • The disclaimer ("This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.") stays in the server instructions, README, and (at publish time) the MCPB manifest.
    • Copyright pass-through. Third-party series notes are returned verbatim, never stripped; the copyrighted flag stays accurate.
  • Lots of unit tests. Every tool and every formatter has tests, with all external I/O mocked (respx). A new tool ships with its tests in the same PR.
  • Use the latest patterns. Official mcp Python SDK via mcp.server.fastmcp (NOT the standalone fastmcp package). Python 3.12+ idioms, from __future__ import annotations, pydantic v2 models with a Field(description=...) on every field, uv, async httpx via mcpwright_core.AsyncHttpClient. Tools return typed pydantic models and are annotated readOnlyHint=True.
  • Honest tool surfaces. Descriptions carry the caveats that change interpretation (revisions exist; vintage coverage varies; '.' means missing; truncation is flagged, never silent). Measured rationale: devender.me/2026/06/10/tool-descriptions-measured/.
  • PR per change, CI-gated. Standard flow: feature branch → code → code-review subagent → fold in findings → PR → CI green → squash-merge.
    • Code-review subagent: before opening the PR, review the diff with the code-reviewer subagent (.claude/agents/code-reviewer.md) — or run /review-pr. Address Blocker/High (with a regression test for any real bug) before the PR opens.
    • Merge: Code Quality & Tests green and branch up to date → squash-merge with a (#N) suffix. main is branch-protected; no direct pushes.
  • Green locally before pushing: 
    uv run ruff check src/ && uv run ruff format --check src/ && uv run mypy && uv run pytest -v

Read the full file on GitHub · 57 lines

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. 3d ago First seen · 57 lines · 884 tokens per session scan A ea56844f3ccf

Subscribe to this mod's changes

fred-mcp CLAUDE.md is an instructions file published in the GitHub repository mcpwright/fred-mcp (0 stars, last pushed 14d ago), licensed MIT. It adds 884 tokens to every session, about $0.0044 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Analytics and metricsFREDFinance and fintechalfredclaudeeconomicsfederal-reservemcp
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