Files
mcp-use__mcp-use/docs
Andrew Khadder 33e30cb8e3 Canary (#2117)
* fix(cli): report success from mcp-use typecheck (#2099)

`tsc --noEmit` prints nothing on a clean project, so `mcp-use typecheck`
exited 0 with no output at all, which is indistinguishable from the
command hanging or silently failing.

Print `[mcp-use] no type errors (<duration>ms)` on exit code 0, matching
the existing `[mcp-use] built ... (<duration>ms)` line from `build`.
Failing runs are untouched and still show only the compiler's own
diagnostics.

Closes #2083

* chore: enter canary prerelease mode

* chore(typescript): version packages (canary)

* chore: sync main into canary (#2119)

* chore(release): exit prerelease mode and publish npm README hotfix

Publishes mcp-use 2.0.1 and @mcp-use/inspector 20.0.1 with the repository README included in the mcp-use package tarball.

* chore(release): exit prerelease mode and publish npm README metadata hotfix

Publishes mcp-use 2.0.2 and @mcp-use/inspector 20.0.2 after preparing README metadata before npm publication.

* chore(release): exit prerelease mode and commit npm package README

Publishes mcp-use 2.0.3 and @mcp-use/inspector 20.0.3 with a committed package-root README.

* chore(release): exit prerelease mode and fix npm README assets

Fix npm README asset and repository links, publish mcp-use 2.0.4, and keep Inspector aligned at 20.0.4.

* Update libraries/typescript/packages/server/README.md

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>
Signed-off-by: Andrew Khadder <54488379+khandrew1@users.noreply.github.com>

* docs: sync migration guide link

---------

Signed-off-by: Andrew Khadder <54488379+khandrew1@users.noreply.github.com>
Co-authored-by: Enrico Toniato <2827496+tonxxd@users.noreply.github.com>
Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

* fix(cli): say whether `start` mounted the inspector (#2100)

* fix(cli): say whether start mounted the inspector

`mcp-use dev` advertises the inspector in its banner, but `mcp-use start`
says nothing about it and `${basePath}/inspector` 404s unless
`--with-inspector` was passed. With no hint, that reads as a broken
production build rather than an opt-in.

Plain `start` now prints that the inspector is not mounted and how to
mount it, and `--with-inspector` prints the URL it was mounted at, which
was previously silent too.

Closes #2084

* fix(cli): drop the inspector-not-mounted line from start

Per review: most people running start do not want the inspector, so
announcing its absence is noise. Plain start is now silent about the
inspector again, and only the --with-inspector path prints its URL.

Updates the spec, the changeset, and swaps the test to pin the silence
instead of the message.

* chore(typescript): version packages (canary)

* chore: upgrade changesets cli to 2.31.1 (#2121)

* fix(ci): pin pnpm in the docs workflow so the job can start (#2116)

The docs job fails in "Set up pnpm" before it generates anything:

  Error: No pnpm version is specified.

pnpm/action-setup@v4 was used with no version:, so it falls back to
reading packageManager from package_json_file, which defaults to the
repository root. This repo has no root package.json, so the step could
never succeed and the check was red on every branch including main.

Pins 11.13.1, matching all nine action-setup uses in ci.yml and the
packageManager field in libraries/typescript/package.json.

* fix(cli): support package-manager dev arg forwarding (#2124)

* fix(cli): support package-manager dev arg forwarding (MCP-2549)

* chore: add MCP-2549 changeset

* fix(cli): normalize forwarded arguments across commands

* chore(typescript): version packages (canary)

* docs: fix TypeScript README links into the removed mcp-use package (#2114)

The v2 merge deleted libraries/typescript/packages/mcp-use, but the
TypeScript README still pointed at it in four places: the three logo
sources at the top of the page, and the documentation link at the bottom.

The logo now uses the absolute raw.githubusercontent.com URL that every
sibling package README already uses, and the docs link points at
packages/server, which is where the mcp-use package lives in v2 and what
the create-mcp-use-app and inspector READMEs already link to.

* fix(create-mcp-use-app): drop stale main field and give templates distinct descriptions (#2085)

* fix(create-mcp-use-app): drop stale main field and give templates distinct descriptions

Two small things in the scaffolded package.json, both visible as soon as
you generate a project.

main pointed at dist/index.js. v2 builds emit .mcp-use/build instead, so
that path never exists and main never resolves. These templates are apps
you run with mcp-use start, not packages anyone imports, and .mcp-use is
gitignored build output, so the field is dropped rather than repointed.

All three templates also carried the description 'an mcp-use server'.
--list-templates reads that field, so the three were indistinguishable
from the CLI, and every generated project inherited the same string.
Each now says what it actually gives you.

Closes #2080
Closes #2081

* chore: add changeset for the template package.json fixes

* fix(create-mcp-use-app): stop discarding the template description

updatePackageJson overwrote description with a generic
"<name>: an mcp-use server" on every scaffold, so the per-template
descriptions only ever reached --list-templates and never the generated
project. It now fills that in only when the template has no description
of its own, which keeps the previous behaviour for templates without one.

* chore(typescript): version packages (canary)

* fix(client): stop leaking parent env to stdio servers (#2125)

Port the security fix from #1949 to the v2 client package and verify the child process receives only safe defaults plus explicitly configured variables.

Co-authored-by: VihaanAgarwal <72850668+VihaanAgarwal@users.noreply.github.com>

* chore(typescript): version packages (canary)

* fix(client): bound conformance auth scenarios (#2126)

* fix(client): make stdio errlog actually receive the child's stderr (#2086)

* fix(client): make stdio errlog actually receive the child's stderr

StdioConnectionManager takes an errlog stream and documents that the
child server's stderr is piped to it, but the transport was created
without stderr: "pipe". The SDK defaults to "inherit", which leaves
transport.stderr null, so the forwarding block guarding on it never
ran and the child's stderr always went to the parent instead.

Spawn with stderr: "pipe" by default, spread so an explicit mode in
server params still wins. Tests spawn real child processes: one checks
a custom errlog receives the output, one checks stderr: "ignore" still
opts out.

* chore: drop stray version.ts that does not belong on beta

Left over from a main checkout; packages/mcp-use does not exist on this
branch.

* fix(client): expose stderr mode on the public stdio APIs

Per review, the compatibility escape hatch only worked for callers that
built StdioConnectionManager directly. StdioConnector did not accept or
forward stderr and StdioServerConfig did not expose it, so users of the
normal public APIs could not opt back into inherited stderr.

- Add a StdioStderrMode of "pipe" | "inherit" | "ignore", default "pipe".
- Accept it on StdioConnector and StdioServerConfig, forward it into
  StdioServerParameters, and thread it through the config path.
- Apply the default after the spread so an explicit stderr: undefined no
  longer defeats it.
- Only forward transport.stderr when the mode leaves a readable stream.
- Pipe with { end: false } and unpipe on close, since errlog is
  caller-owned and may be reused across reconnects.
- Handle stream errors instead of letting a destroyed errlog surface as
  an unhandled 'error' event.

Tests now start the transport before asserting, so the non-pipe cases are
exercised against a real child instead of passing by construction.

* fix(client): handle errlog write errors

---------

Co-authored-by: Andrew Khadder <andrew@manufact.com>

* chore(typescript): version packages (canary)

* fix(inspector): block loopback proxy targets by default (#2134)

mountInspector defaulted oauthProxyAllowLoopback to true, and the standalone
CLI hardcoded it — including in the published Docker image, which runs the
CLI with NODE_ENV=production on a public port. A publicly reachable inspector
could therefore proxy requests to the host's loopback services (SSRF), while
RFC1918/metadata targets were already blocked.

- mountInspector: default allowLoopback to false; local dev tooling opts in
- CLI: allow loopback unless NODE_ENV=production; INSPECTOR_ALLOW_LOOPBACK
  overrides either way
- Express-adapter test opts in explicitly (it proxies to its own 127.0.0.1
  echo server); new regression test covers the default and the opt-in

* chore(typescript): version packages (canary)

* docs: add v2 changelog updates

* chore: remove retired beta release flow (#2141)

* fix: keep prerelease versioning visible to Knip (#2142)

* fix: patch dependency vulnerabilities (#2151)

* fix: patch vulnerable dependencies

* fix: use mcp-use in client demo servers

* chore(typescript): version packages (canary)

---------

Signed-off-by: Andrew Khadder <54488379+khandrew1@users.noreply.github.com>
Co-authored-by: Ayaan Gazali <ayaangazali.work@gmail.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Enrico Toniato <2827496+tonxxd@users.noreply.github.com>
Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>
Co-authored-by: VihaanAgarwal <72850668+VihaanAgarwal@users.noreply.github.com>
2026-08-05 10:26:37 -07:00
..
2026-08-04 11:26:22 -07:00
2026-08-03 14:35:58 +02:00
2026-08-05 10:26:37 -07:00
2026-08-05 10:26:37 -07:00
2025-10-15 19:23:46 +02:00

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