Changelog

Every release of Dejo. The engine (dejo) and the MCP server (dejo-mcp) are released together, with the same version. To upgrade:

pip install -U dejo-mcp

0.1.2 — 2026-10-18

• A sign-in page is no longer read as the answer. Replaying a Google Doc while signed out, Google sent the document to its sign-in page with the document's address in the query string. The address check matched that, walking back joined the document's path onto accounts.google.com (a 404 page), and the run reported ok with the 404 text as the answer. Address checks now ignore the query string unless the saved address has one, walking back stays on the route's own site, and the run reports needs_login.
• An error page stops the run. When a site answers a step's address with HTTP 400 or above, the run stops with the new outcome page_error (dejo run exit code 6) instead of reading the error page. Nothing is marked broken and no repair is offered. A 401/403 that shows a sign-in page is reported as needs_login.
• A site's only route is not run for a different job. "read the keywords tab of the Sheet" ran the one route saved on docs.google.com, "read the full text of a Google Doc", because both start with "read". Sharing only an action word (read, open, check, download...) no longer counts as the same task; a swapped subject ("message riya" for "message ankush") still does.
• dejo run prints the answer. A run read the value it was saved for (the open issue count, the invoice total) and never showed it, so a terminal run ended with no result.
• dejo run --json prints one line of JSON (outcome, answers, saved files, time) for cron jobs and scripts. Exit codes: 0 done, 1 failed or needs a repair, 2 no trail or the site was rebuilt, 3 needs a sign-in, 4 blocked by a captcha, 5 not on the trail's starting page, 6 the page answered with an HTTP error.
• The README's dejo run example works. It showed --task, which run does not have, so the first command a reader copied failed. run takes the task as plain words: dejo run "count open issues" --site github.com. dejo borrow suggested the same broken form and now prints the working one. A test checks every dejo command in the READMEs.
• dejo --help names the real default memory file, ~/.dejo/memory.db.
• The README no longer says every tool answered "correctly" 30 times out of 30. The benchmark checks that an answer came back, not that it was right, so it now says every tool answered.
• The Claude Code setup line adds Dejo for every project. claude mcp add alone adds a server to the current folder only, so Dejo vanished when Claude Code opened anywhere else. The READMEs now say claude mcp add --scope user dejo -- dejo-mcp.

0.1.1 — 2026-10-15

• Moving from Cairn is instant. An old ~/.cairn folder is now moved to ~/.dejo instead of copied. A real folder held 1.5 GB of signed-in browser profiles, and copying it took longer than an MCP client waits for a server to start, so the first start looked like a failure.
• Listed in the official MCP Registry as io.github.dejohq/dejo-mcp.
• The test suite can no longer touch the real ~/.dejo or ~/.cairn on a developer's machine.

0.1.0 — 2026-10-15

The first release under the name Dejo. Formerly Cairn (cairn-browser, cairn-browser-mcp).

• Dejo's own memory. One SQLite file, ~/.dejo/memory.db, with no size limit and no account. An existing Sibyl memory is brought across on first start. Sibyl stays available as an optional backend (pip install "dejo[sibyl]", DEJO_MEMORY=sibyl).
• Signing in is checked. dejo_login_done and dejo login look at the window before saying you are signed in, and never record a sign-in that did not happen.
• A stuck browser profile is named. When a page times out in a saved profile and loads in a fresh browser, Dejo says the profile is stuck, instead of blaming the website.
• Waiting for an iframe waits for its content. wait_for element: on a frame waits for something inside it, and the new in_frame:<frame>|<inside> waits for one thing in a frame.
• A step whose proof arrives late is not called broken. A step that acted gets up to 3 seconds for its check to come true.
• Everything moved to the new name: the dejo command, dejo_* tools, DEJO_* settings (old CAIRN_* ones still work) and ~/.dejo.
• The paid "sell a trail" market (x402 on Base) from the hackathon version was removed.