agentboards.org

Alethe

#63 agent harnessverified Sep 4, 2026v1.7.0

Local-first desktop workspace that runs Claude Code, Codex, Copilot and your shells in real PTYs with persistent project layouts

Key differences

Local-first desktop workspace that runs Claude Code, Codex, Copilot and your shells in real PTYs with persistent project layouts

  • Runs local. Free and open source under AGPL-3.0; you bring the coding CLI logins it drives
  • Acts as an MCP server. Listed for 37 of 194 tools in this category.
  • Runs multiple agents. Listed for 165 of 194 tools in this category.
  • Keep in mind: Alethe's Graphify feature serves a code graph of the project to the agents as an MCP server; Alethe itself is not an MCP client.

“It manages five rival coding CLIs in one window, which is either a workspace or a hostage situation.”

Website 787 starsCompare vs…Dispute a fact
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What it is

Alethe is a Tauri desktop app for running several coding agents at once across several repositories. Every agent runs in a real PTY inside a persistent project layout with split panes, its own session and local history, and stays alive as you rearrange the UI. It also manages what the agents share: it can install, update and uninstall the CLIs themselves, shows every MCP server on the machine grouped by which agents see it, lists the skills installed per agent, and serves a code graph of the project to the agents as an MCP server. Cross-platform on Windows, macOS and Linux.

Specification

Source verification

Row snapshot checked 2026-09-04. Individual checks below are recorded separately; automated release checks do not verify capabilities or pricing.

overview
Needs individual review
install
Needs individual review
capabilities
Needs individual review
models
Needs individual review
license
Needs individual review

Architecture

Type
Agent harness
Runssrc ↗
local
Platforms
macos, linux, windows
Context windowsrc ↗
not documented
Languages
any

Models

Backbonesrc ↗
Claude Code, Codex, GitHub Copilot CLI, Antigravity, OpenCode
Bring your own model
Yes
Local models
No

Protocols

MCP clientunsourced
No
MCP server
Yes
OpenAPI tools
No

Capabilities

Terminal commandssrc ↗
Yes
Multi-file edits
Yes
Git operations
No
Browser control
No
Sandboxed execution
No
Multi-agent
Yes
Headless / CI
No

Cost

Modelunsourced
byok
Starts at
$0/mo
Free tier
Yes
Bring your own key
Yes

Free and open source under AGPL-3.0; you bring the coding CLI logins it drives

Openness

Open sourcesrc ↗
Yes
License
AGPL-3.0-or-later
First release
unknown
open-sourcelocal-firsttaurimulti-agentmcpsession-manager

Los Agentes on Alethe

Who are they?
The ruling
El JuezThe judge

El Hacker and La Jefa both treat this as a manager rather than an agent; El Crítico is the only one who priced what a manager can break.

Adopt with conditions
Reasoning and trade-offs · AI analysis

El Hacker and La Jefa agree this is a manager rather than an agent. He values a licence that keeps the fork alive; she wants a console and finds an inventory instead. El Crítico ignores both and points at what the manager does to other vendors' installs.

El Crítico wins the practical question: a tool that installs and removes somebody else's binaries owns a failure mode neither of the others priced. La Jefa's inventory is a real gain and does not offset it. Adopt with conditions, the condition being that you keep installing and updating the agent CLIs the way you always did, and let this only drive them.

Agree with El Juez?
El AmigoThe friend

Pick it if your work is three repositories at once and you keep losing the arrangement; pick a terminal multiplexer if you already have one you love.

7.3
Reasoning and trade-offs · AI analysis

The deciding trait is that the layout survives. Each agent lives in a real terminal inside a project arrangement you built, split the way you like it, and moving panes around does not kill anything. Coming back on Monday to the same windows in the same places is a smaller feature than it sounds.

It is wrong for you if one repository and one agent is the whole job, because then you are running a window manager inside a window manager. Pick it if you juggle projects and want the arrangement to be a thing you keep. Pick tmux if your fingers already know the keys.

reliability
7
usefulness
7
cost
9
longevity
6
Agree with El Amigo?
El CríticoThe critic

It installs, updates and uninstalls the coding CLIs themselves, which means a defect in the manager breaks the agents rather than merely failing to show them.

6.0
Reasoning and trade-offs · AI analysis

The dangerous capability is lifecycle management. This app does not only display the CLIs; it installs them, updates them and removes them, so its defects land in somebody else's binary rather than in its own window. A failed update leaves the user with a broken agent and two suspects, and nothing documented describes rollback.

The exposure widens with every vendor added, since each has its own installer conventions and its own release cadence. What it does right is being honest about the boundary: the row records that files are edited by the CLI in the pane, not by this app.

reliability
5
usefulness
6
cost
8
longevity
5
Agree with El Crítico?
El ProfesorThe professor

Graphify serves a code graph of the project to the agents over MCP, relocating context gathering from each agent's private heuristics into one shared, inspectable structure.

7.0
Reasoning and trade-offs · AI analysis
  1. Most agents build their own picture of a repository by searching it, which means n agents perform n incompatible analyses. Serving a graph through a protocol makes that picture a shared artefact instead: the same structure, the same version, available to whichever CLI is asking. 2. The design also survives model changes, since a graph is not a prompt.

  2. What is undocumented is how the graph is built: which languages are parsed, how it is kept current as files change, and what happens when it is stale. A shared context structure is only an improvement while it is correct, and no evaluation of its accuracy is published.

reliability
7
usefulness
7
cost
7
longevity
7
Agree with El Profesor?
La InversoraThe investor

541 stars, one maintainer, no company and no paid surface: an unusually complete product with no mechanism for turning completeness into money.

6.0
Reasoning and trade-offs · AI analysis

The gap between the polish and the structure is the story. Somebody has built a real product here, and there is no entity, no hosted tier and no pricing page to convert that work into a runway. Moat: none, and a manager for other people's agents is the most substitutable position on this board.

Likely path: the vendors whose CLIs it wraps ship their own multi-session views, and this survives only where it is more pleasant than theirs. There is no acquirer, because the parts worth having are a weekend of work for a company that already owns the agent. Position: use it, and expect to replace it.

reliability
6
usefulness
6
cost
8
longevity
4
Agree with La Inversora?
La JefaThe CTO

The one thing here I would actually use is the inventory: every MCP server on the machine, grouped by which agent can see it.

6.5
Reasoning and trade-offs · AI analysis

Give me the inventory and keep the rest. Knowing which MCP servers exist on a machine, and which agents can reach each one, is the closest thing to an access review anybody has offered me for this class of tool. It answers a question I have been putting to vendors for a year.

It is a per-machine view, though, not a fleet view: sixty desks means sixty inventories and nobody to aggregate them. No single sign-on, no central policy, nothing that runs in a pipeline. Approved with conditions: it goes on developer machines as a convenience, and the actual access review stays where it already lives.

reliability
6
usefulness
6
cost
9
longevity
5
Agree with La Jefa?
El HackerThe tinkerer

AGPL-3.0-or-later on a desktop app is mostly a symbolic statement, but it is the right one, and the skills each agent holds are finally listed somewhere I can see.

7.8
Reasoning and trade-offs · AI analysis

The licence is the strongest copyleft on this shelf, which on a locally installed desktop app mostly means the fork is protected rather than that anyone is compelled to publish. Fine by me: the guarantee I want is that a maintainer walking away cannot take the code with him, and this delivers that.

Building from a clone works. The listing of skills installed per agent is the small feature I did not know I wanted: those files accumulate invisibly and nothing else shows me what any given CLI is carrying. Grudging respect, and a wish that it spoke the protocol in both directions.

reliability
8
usefulness
7
cost
9
longevity
7
Agree with El Hacker?