Search and retrieve IETF RFC documents - lookup by number, search by keyword, extract sections.

Apache-2.0Auto-check passed

Install Rfc Lookup

skills CLI
$ npx skills add automateyournetwork/netclaw --skill rfc-lookup -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install automateyournetwork/netclaw rfc-lookup --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/automateyournetwork/netclaw.git skills-src && mkdir -p .claude/skills && cp -r skills-src/workspace/skills/rfc-lookup .claude/skills/rfc-lookup && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
rfc-lookup
GitHub stars
676
Token cost
~541 tokens
SKILL.md length
205 words
Files
1
Skills in repo
120
Repo updated
First seen
Licence
Apache-2.0

At a glance

Search and retrieve IETF RFC documents - lookup by number, search by keyword, extract sections.

  • Works in 3 steps: get_rfc - Fetch full RFC by number → search_rfcs - Search by keyword → get_rfc_section - Extract specific section
  • Looking up an RFC
  • SKILL.md covers How to Use, Available Tools, Common Networking RFCs and When to Use, plus 1 more section
  • Calls python3

What it does

Rfc Lookup is an agent skill from automateyournetwork/netclaw. Search and retrieve IETF RFC documents - lookup by number, search by keyword, extract sections. Use when looking up an RFC, checking protocol specifications, verifying standards compliance, or researching how a protocol should behave per the spec.

Its SKILL.md is about 540 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: An AI agent that claws through your network. The licence is Apache-2.0.

When your agent uses it

  • Looking up an RFC
  • Checking protocol specifications
  • Verifying standards compliance
  • Researching how a protocol should behave per the spec

Example prompts

  • “/rfc-lookup”

Requirements

  • Python 3
  • Node.js

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. get_rfc - Fetch full RFC by number
  2. search_rfcs - Search by keyword
  3. get_rfc_section - Extract specific section

What it can do on your machine

Read from SKILL.md and the folder at commit aa90e7d. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • python3

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Rfc Lookup loads about 541 tokens when it runs. Until then it costs about 65 tokens; SKILL.md has 205 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~65
When it runs · the whole SKILL.md, loaded when a task matches
~541

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from automateyournetwork/netclaw at commit aa90e7d, republished under its Apache-2.0 licence (© automateyournetwork). 205 words, ~541 tokens.

Download SKILL.mdSave it as .claude/skills/rfc-lookup/SKILL.md (or your agent's skills folder).
name
rfc-lookup
description
Search and retrieve IETF RFC documents - lookup by number, search by keyword, extract sections. Use when looking up an RFC, checking protocol specifications, verifying standards compliance, or researching how a protocol should behave per the spec.
license
Apache-2.0
user-invocable
true

IETF RFC Lookup

How to Use

Send requests to the RFC MCP server via mcp-call:

Get an RFC by number
bash
python3 $MCP_CALL "npx -y @mjpitz/mcp-rfc" get_rfc '{"number":"4271"}'
Search RFCs by keyword
bash
python3 $MCP_CALL "npx -y @mjpitz/mcp-rfc" search_rfcs '{"query":"BGP security"}'
Get a specific section
bash
python3 $MCP_CALL "npx -y @mjpitz/mcp-rfc" get_rfc_section '{"number":"4271","section":"Security Considerations"}'

Available Tools

  1. get_rfc - Fetch full RFC by number

    • number: RFC number (e.g., "4271", "5905")
  2. search_rfcs - Search by keyword

    • query: Search term (e.g., "OSPF", "BGP security")
  3. get_rfc_section - Extract specific section

    • number: RFC number
    • section: Section title or number

Common Networking RFCs

  • RFC 4271 - BGP-4
  • RFC 2328 - OSPF Version 2
  • RFC 5905 - NTPv4
  • RFC 7454 - BGP Operations and Security
  • RFC 8200 - IPv6
  • RFC 791 - IPv4
  • RFC 2903 - AAA Authorization Framework

When to Use

  • Verifying protocol implementations against standards
  • Looking up best practices for configuration
  • Cross-referencing CVE remediation with protocol specifications
  • Learning about networking protocols

Failure Behavior

  • On a tool error (timeout, unreachable host, malformed response), report the failure and its error message directly to the user rather than fabricating or guessing at results.
  • For a confirmed read-only call, check connectivity and retry once if appropriate. For any call that changes state or sends a message, a timeout does not prove the action failed: inspect current state or delivery status before retrying, preserve the required approval/change gates, and do not repeat an action whose outcome is unknown.

© automateyournetwork, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in workspace/skills/rfc-lookup of automateyournetwork/netclaw.

Open the folder on GitHubat commit aa90e7d

Compare with similar skills

Rfc Lookup next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Rfc Lookup compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Rfc Lookup this skillautomateyournetwork/netclaw676—~541Automated safety check: PassApache-2.0
Iterative Retrievalaffaan-m/ECC277k7 repos~1.6kAutomated safety check: PassMIT
Ralphinho Rfc Pipelineaffaan-m/ECC277k4 repos~459Automated safety check: PassMIT
Iterative Retrievalaffaan-m/ECC277k2 repos~1.1kAutomated safety check: PassMIT
Iterative Retrievalaffaan-m/ECC277k2 repos~1.3kAutomated safety check: PassMIT
Documentation Lookupaffaan-m/ECC276k1 repos~670Automated safety check: PassMIT

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Questions about Rfc Lookup

What does Rfc Lookup do?

Search and retrieve IETF RFC documents - lookup by number, search by keyword, extract sections. Rfc Lookup is an agent skill from automateyournetwork/netclaw. Search and retrieve IETF RFC documents - lookup by number, search by keyword, extract sections.

When should I use Rfc Lookup?

Rfc Lookup fits situations like: looking up an RFC; checking protocol specifications; verifying standards compliance; researching how a protocol should behave per the spec.

How do I install Rfc Lookup in Claude Code?

Run `npx skills add automateyournetwork/netclaw --skill rfc-lookup -a claude-code`. Or copy the skill folder (workspace/skills/rfc-lookup in automateyournetwork/netclaw) into .claude/skills/rfc-lookup in your project. Claude Code loads it when a task matches its description.

How do I install Rfc Lookup in Codex?

Run `npx skills add automateyournetwork/netclaw --skill rfc-lookup -a codex`. Or copy the skill folder (workspace/skills/rfc-lookup in automateyournetwork/netclaw) into .agents/skills/rfc-lookup in your project. Codex loads it when a task matches its description.

Can I use Rfc Lookup in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add automateyournetwork/netclaw --skill rfc-lookup -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/rfc-lookup, .gemini/skills/rfc-lookup, .github/skills/rfc-lookup and .opencode/skills/rfc-lookup in your project.

What does Rfc Lookup need to run?

Going by SKILL.md and its folder, Rfc Lookup needs the command-line tools its instructions call (python3). Our summary lists: Python 3; Node.js.

Does Rfc Lookup access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Rfc Lookup safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Rfc Lookup use?

Rfc Lookup is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Rfc Lookup use?

About 541 tokens (SKILL.md is roughly 2.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Rfc Lookup?

Skills that share tags, products or a category with Rfc Lookup: Iterative Retrieval (affaan-m/ECC, 277k stars), Ralphinho Rfc Pipeline (affaan-m/ECC, 277k stars), Iterative Retrieval (affaan-m/ECC, 277k stars) and Iterative Retrieval (affaan-m/ECC, 277k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Rfc Lookup?

automateyournetwork (a GitHub user) maintains it in automateyournetwork/netclaw, which has 676 GitHub stars. The repository holds 120 skills in this directory. The repository was last updated on October 9, 2026.

Source: automateyournetwork/netclaw on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.