Claude Tools / MCP Servers / biff

MCP Servers · punt-labs/biff

biff

UNIX-style team communication for Claude Code: /who, /finger, /plan, /write, /read, /mesg, /tty, /last, /wall, /talk

CLEARED_STATICmcp-portablev1.12.2

Pipeline results

Coverage

CLEARED_STATIC

Tests run

7 / 8

Portability

MCP-portable

Type

MCP Servers

Tests & results

What the pipeline checked

TestStateResult or reason

eligibilityranall eligibility checks passed

dedupranunique -- no near-duplicate found

clocran59863 code lines / 288 files

secretsranno secret patterns matched

egressran20 lexical match(es) — FLAG-INFO (C-01: semantic analysis deferred to v2)

injectionranno patterns matched (confidence: STANDARD)

required-fieldsranrequired fields present: name, version, description

behaviouraldeferredbehavioural assessment deferred (v1): Python with non-stdlib imports (committed-only policy): [('tests/test_hook.py', 'biff'), ('tests/test_hook.py', '__future__')]

What's inside

Components found

commands/biff.md

componentlow

commands/finger.md

componentlow

commands/last.md

componentlow

commands/mesg.md

componentlow

commands/plan.md

componentmedium

commands/poll.md

componentmedium

commands/read.md

componentlow

commands/talk.md

componentlow

commands/tty.md

componentlow

commands/wall.md

componentlow

commands/who.md

componentlow

commands/write.md

componentlow

.claude-plugin/agents/distributed-test-engineer.md

componentmedium

.claude-plugin/agents/leak-hunter.md

componentmedium

Coverage

Not assessed

behavioural execution not run
egress patterns logged (FLAG-INFO): 20 lexical match(es)

README

From the repository

# biff



> Team communication for engineers who never leave the terminal.

[![License](https://img.shields.io/github/license/punt-labs/biff)](LICENSE)
[![CI](https://img.shields.io/github/actions/workflow/status/punt-labs/biff/test.yml?label=CI)](https://github.com/punt-labs/biff/actions/workflows/test.yml)
[![PyPI](https://img.shields.io/pypi/v/punt-biff)](https://pypi.org/project/punt-biff/)
[![Python](https://img.shields.io/pypi/pyversions/punt-biff)](https://pypi.org/project/punt-biff/)
[![Working Backwards](https://img.shields.io/badge/Working_Backwards-hypothesis-lightgrey)](./prfaq.pdf)

Named after the Berkeley dog whose 1980 mail notification program was part of the same BSD family as `talk`, `wall`, `finger`, `who`, and `mesg`. Biff resurrects the Unix communication vocabulary as MCP-native slash commands inside Claude Code.

**Platforms:** macOS, Linux

## Quick Start

```bash
curl -fsSL https://raw.githubusercontent.com/punt-labs/biff/ddf641d/install.sh | sh
```

Restart Claude Code twice. Type `/who` to see your team.

### CLI only (no Claude Code plugin)

To install the biff CLI and MCP server without the Claude Code plugin --- for a
non-Claude harness (Codex, Cursor…

← Back to MCP Servers