AI tool comparison
Beads (bd) vs Agency by Mozilla
Which one should you ship with? Here is the side-by-side panel verdict, pricing read, reviewer split, and community vote comparison.
Developer Tools
Beads (bd)
Git-backed task graph that gives your coding agent persistent memory
100%
Panel ship
—
Community
Paid
Entry
Beads is a distributed, graph-oriented issue tracker built by Steve Yegge as the missing memory layer for AI coding agents. Instead of the messy markdown task lists that agents write and forget, Beads stores a dependency-aware task graph as versioned JSONL files inside your Git repo — so agent context survives branch switches, session restarts, and parallel work across multiple agents. The core insight is simple but powerful: agents need external memory that behaves like a database, not a scratchpad. Beads provides hash-based task IDs (e.g., bd-a1b2) that prevent merge collisions in multi-agent workflows, atomic task claiming to stop two agents from grabbing the same work, and semantic "memory decay" that auto-summarizes closed tasks to keep context windows lean. Hierarchical epic/task/subtask relationships let you model real software projects, not just to-do lists. Built on Dolt (a version-controlled SQL database), Beads supports embedded mode for single-agent workflows and server mode for teams running concurrent agents. It's available via Homebrew, npm, or install scripts across macOS, Linux, Windows, and FreeBSD. With 18.7k+ GitHub stars and integration stories from Claude Code and Sourcegraph Amp users, Beads has quietly become essential infrastructure for anyone running serious agentic workflows.
Developer Tools
Agency by Mozilla
Privacy-first, browser-native AI agent framework built for Firefox
75%
Panel ship
—
Community
Free
Entry
Agency is an open-source browser agent framework from Mozilla that runs locally inside Firefox, enabling AI-driven browser automation without routing user data through external cloud servers. It supports MCP-compatible tool use, meaning agents can call local or remote tools while keeping browsing context private. The project positions itself as a privacy-preserving alternative to cloud-hosted browser automation agents like Operator or Anthropic's computer use.
Reviewer scorecard
“The primitive here is clean: a dependency-aware DAG of tasks, stored as versioned JSONL inside your repo, with hash-based IDs that make merge collisions structurally impossible rather than a discipline problem. The DX bet — put the complexity in the data model, not the CLI — is exactly the right call, and `bd claim` for atomic task assignment is the kind of thing you only design if you've actually run two agents into each other and watched them both pull the same file. The weekend alternative here is a markdown TODO in a git repo, and it collapses the moment you have two agents or a branch switch; Beads earns its existence specifically because the naive solution fails in a documented and predictable way.”
“The primitive here is clean: a browser-native agent runtime that binds to Firefox's internals and exposes MCP-compatible tool interfaces, all local. No cloud hop, no screenshotting your desktop and sending it to Anthropic. The DX bet Mozilla made is right — run in-process in the browser where DOM access is first-class, not bolted on from outside. The moment of truth is whether the MCP tool registration is actually ergonomic or if it buries you in schema boilerplate, and the repo suggests the latter needs polish. Still, this is a real primitive, not a wrapper — Mozilla is giving developers a composable base that a Playwright-over-CDP weekend project genuinely cannot replicate, because the privacy guarantees come from architecture, not policy.”
“Direct competitor is Linear or GitHub Issues used as agent context via MCP — and the reason Beads wins that comparison is that those tools were designed for humans and bolt agent support on top, while Beads is designed for the case where the agent *is* the primary user and humans are secondary readers. The scenario where Beads breaks is a solo developer running a single-agent workflow on a small project, where the overhead of a Dolt-backed graph is pure ceremony for a problem that a flat task list already solves. What kills it in 12 months: Anthropic or the Claude Code team ships a native persistent task graph in the agent runtime itself, making Beads infrastructure that got absorbed — but that's a win condition for users, not a failure condition for the idea.”
“Category is browser automation agents; direct competitors are Anthropic Computer Use, OpenAI Operator, and Playwright-based agent wrappers. The scenario where this breaks is any user who needs a capable frontier model baked in — Agency gives you the runtime plumbing but you still have to bring your own model, and local models are still embarrassingly bad at browser task reasoning compared to GPT-4o. What kills the cloud alternatives here is regulatory pressure on enterprise data handling, which is real and accelerating — that's the thesis that survives. Mozilla ships this, it gets traction in privacy-sensitive enterprise and research contexts, and the cloud agents find their growth capped in regulated industries. I'd call this a genuine ship for the niche it's targeting, not a universal recommendation.”
“The thesis here is falsifiable: within 3 years, multi-agent software development becomes the default mode, and the binding constraint on parallelism shifts from compute to coordination — specifically, agents colliding on tasks, losing context at session boundaries, and producing incoherent work when they can't see each other's progress. Beads bets on this and solves exactly the coordination layer, not the intelligence layer, which is the right abstraction boundary to defend. The second-order effect that matters: if Beads or something like it becomes standard infrastructure, it shifts the locus of software project state from human-readable GitHub Issues into a machine-first graph format, which subtly transfers project legibility from PMs and engineers to the agents themselves — and that's a much larger change than the tool's README suggests.”
“The falsifiable thesis here is: within 3 years, regulatory and user-trust pressure will make cloud-routed browser agents legally or commercially unacceptable in enough markets that local-first agent runtimes become the default for sensitive workflows — healthcare, legal, finance, government. Agency is early to that specific bet, and being a Mozilla project means it rides the browser-vendor trust signal that no startup can buy. The second-order effect nobody's talking about: if Agency becomes the standard runtime for Firefox-native agents, Mozilla gets to define what MCP tool permissions look like in a browser context, shifting standards power back toward an open-standards body and away from the model providers. The dependency that has to hold is that local model capability closes the gap with cloud fast enough — Gemma 3 and Qwen3 suggest it's on track.”
“The job-to-be-done is unambiguous: give AI coding agents persistent, collision-safe, dependency-aware task memory that survives the boundaries a scratchpad cannot. That's one job, stated without an 'and,' and Beads does not wander from it. The completeness test is where it earns real points — embedded mode means a solo developer can `brew install bd` and have a working agent memory layer without running a server, while server mode handles the multi-agent case without requiring a different mental model; you don't have to keep the old solution around for any part of the workflow. The one gap: onboarding assumes you already know what a Dolt-backed JSONL task graph is and why you want one, which means developers who haven't already felt the pain of agent context loss will bounce before they reach the moment of value.”
“There is no buyer here, which is the whole problem — Mozilla is a nonprofit shipping open-source infrastructure, not a business, and that's fine for what it is, but framing this as a product review misses the point and also confirms the skip. Any startup trying to build on top of Agency inherits Firefox dependency, local model constraints, and a framework maintained by a nonprofit with a historically mixed record of developer-facing project continuity (see: Firefox OS, Servo, Pocket). The moat question answers itself: Mozilla can't own a market position because they're not trying to, and any company that builds a product layer on this is one browser vendor decision away from a breaking change. If you're a developer building privacy-first browser tooling, this is interesting infrastructure. If you're trying to build a business on it, that's the skip.”
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