What is project-session-manager?

A development-environment manager that creates separate Git workspaces and optional terminal sessions for issues, pull requests, and features.

Use it to prepare worktrees, start feature or issue sessions, review pull requests, and reconnect to active sessions.

It keeps parallel tasks isolated so changes from one task do not interfere with another.

project-session-manager — Skill for Claude Code by RobinNorberg

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.

Any agent

npx skills add RobinNorberg/oh-my-copilot --skill project-session-manager

Clone the repo

git clone --depth 1 https://github.com/RobinNorberg/oh-my-copilot

Made for: Claude Code.

Or install oh-my-copilot, the plugin that ships this one along with the rest of its 63 skills, 21 commands, 20 agents, 11 hooks, 1 MCP server.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/robinnorberg/oh-my-copilot/project-session-manager/github.svg)](https://agentmods.dev/skills/robinnorberg/oh-my-copilot/project-session-manager)

Your own site

<a href="https://agentmods.dev/skills/robinnorberg/oh-my-copilot/project-session-manager"><img src="https://agentmods.dev/badge/skills/robinnorberg/oh-my-copilot/project-session-manager/github.svg" alt="Measured on agentmods" height="20"></a>

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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/robinnorberg/oh-my-copilot/project-session-manager"><img src="https://agentmods.dev/badge/skills/robinnorberg/oh-my-copilot/project-session-manager.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 5,060 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.

Origin 88% copy Near-identical to another mod 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.

Model	Per session	Once invoked
Fable 5.1	$0.00023	$0.05060
Opus 5.5	$0.00009	$0.02024
Sonnet 5.5	$0.00005	$0.01012
Haiku 4.5	$0.00002	$0.00506

Measured 5d ago against content hash 4bae0a3c2ad2, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

project-session-manager 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 5d ago.

The scan reads SKILL.md. This mod also ships 15 executable files (lib/config.sh, lib/parse.sh, lib/providers/azure-devops.sh, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

node -e "const{execFileSync}=require('node:child_process');let o='';try{o=execFileSync('tmux',['list-sessions','-F','#{session_name}'],{encoding:'utf8'})}catch{o=''};for(const s of o.split(/\r?\n/).map(x=>x.trim()).filte

Origin

This is a copy

88% identical to project-session-manager — 85 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/project-session-manager/SKILL.md · 574 lines

How it starts

The opening of the file, as written. The whole thing — 574 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Project Session Manager (PSM) Skill

psm is the compatibility alias for this canonical skill entrypoint.

Quick Start (worktree-first): Start with omc teleport when you want an isolated issue/PR/feature worktree before adding any tmux/session orchestration:
omc teleport #123          # Create worktree for issue/PR
omc teleport my-feature    # Create worktree for feature
omc teleport list          # List worktrees
See Teleport Command below for details.

Automate isolated development environments using git worktrees and tmux sessions with Claude Code. Enables parallel work across multiple tasks, projects, and repositories.

Canonical slash command: /oh-my-copilot:project-session-manager (alias: /oh-my-copilot:psm).

Commands

Command	Description	Example
`review <ref>`	PR review session	`/psm review omc#123`
`fix <ref>`	Issue fix session	`/psm fix omc#42`
`feature <proj> <name>`	Feature development	`/psm feature omc add-webhooks`
`list [project]`	List active sessions	`/psm list`
`attach <session>`	Attach to session	`/psm attach omc:pr-123`
`kill <session>`	Kill session	`/psm kill omc:pr-123`
`cleanup`	Clean merged/closed	`/psm cleanup`
`status`	Current session info	`/psm status`

Project References

Supported formats:

Alias: omc#123 (requires ~/.psm/projects.json)
Full: owner/repo#123
URL: https://github.com/owner/repo/pull/123
Current: #123 (uses current directory's repo)

Configuration

Project Aliases (`~/.psm/projects.json`)

{
  "aliases": {
    "omc": {
      "repo": "RobinNorberg/oh-my-copilot",
      "local": "~/Workspace/oh-my-copilot",
      "default_base": "main"
    }
  },
  "defaults": {
    "worktree_root": "~/.psm/worktrees",
    "cleanup_after_days": 14
  }
}

Providers

PSM supports multiple issue tracking providers:

Provider	CLI Required	Reference Formats	Commands
GitHub (default)	`gh`	`owner/repo#123`, `alias#123`, GitHub URLs	review, fix, feature
Jira	`jira`	`PROJ-123` (if PROJ configured), `alias#123`	fix, feature

Read the full file on GitHub · 574 lines

Files

What ships with it

19 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

5d ago Changed 4bae0a3c2ad2
1mo ago First seen · 574 lines · 23 tokens per session scan A 848e727122da

Subscribe to this mod's changes

project-session-manager is a skill published in the GitHub repository RobinNorberg/oh-my-copilot (5 stars, last pushed yesterday), licensed MIT. It adds 23 tokens to every session and 5,060 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 1 finding (runs shell commands). It is 88% identical to project-session-manager, differing in 85 lines, and is treated as a copy.

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Use when asked to implement, build, or pick up a ticket end to end — a Jira work item, GitHub Issue, or GitLab Issue — including "implement ABC-123", "implement gh issue #137", "work on issue 137", or "pick up this ticket". Critiques the request against the code, builds it in a throwaway git worktree, verifies it with…

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project-session-manager