Ts Core MCP Server
Agent-native TypeScript framework for building MCP servers. Includes runtime infrastructure and agent skills for building, testing, and shipping servers. It runs locally over stdio via the published package.
People who work with opentelemetry, cloudflare workers and agent native and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.
VERIFIED ACTIVE
LAST COMMIT 2026-09-17 · ★ 151 · #3 OF 153 MAINTAINED CLOUD INFRASTRUCTURE · VERIFIED 2026-09-18
Apache-2.0 · TypeScript servers · how we verify → /methodology
01 · Install Ts Core
Claude Code
claude mcp add cyanheads-mcp-ts-core -- npx -y @cyanheads/mcp-ts-coreClaude Desktop / Cursor / VS Code - add to config
{
"mcpServers": {
"cyanheads-mcp-ts-core": {
"command": "npx",
"args": [
"-y",
"@cyanheads/mcp-ts-core"
]
}
}
}Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.
Using another client? Same JSON, different key
Claude Desktop · mcpServers
Cursor · mcpServers
VS Code · servers
Windsurf · mcpServers
Zed · context_servers
Cline · mcpServers
Roo Code · mcpServers
Continue · mcpServers
LibreChat · mcpServers
Gemini CLI · mcpServers
Codex CLI · mcp_servers
Full setup guides: every client.
02 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
runs as local process (stdio) - runs on your machine with your user's permissions
license Apache-2.0 - declared in the repository
npm package @cyanheads/mcp-ts-core - published under the repo owner's npm scope (@cyanheads)
registry namespace io.github.cyanheads is GitHub-verified and matches the repo owner
03 · What Ts Core can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
Latest releases
v0.13.3 · 2026-09-17
Argument-rejection hints and cancellation classification · Every argument rejection carries data.reason: "invalid_arguments" and a data.recovery.hint synthesized from the Zod issues, the arguments as sent, and the root…
v0.13.2 · 2026-09-14
Shipped-script fixes, server-card session mode · scripts/build.ts and devcheck's TypeScript (Worker) step probe config/ then the project root for their tsconfigs, so a fresh init scaffold builds with no --project and…
v0.13.1 · 2026-09-13
Linear-time regex scans, sessionMode option, teardown hook · Five polynomial-time regexes replaced with linear-time scans; stripSqlComments and frontmatterParser's fence match run on input a client chooses (#431)…
04 · Who maintains Ts Core
mcp-ts-core is maintained by cyanheads. We track 125 MCP servers from cyanheads - 119 actively maintained, 1,816 combined GitHub stars, oldest repo from Dec 2024. Full record: all servers from cyanheads.
- obsidian-mcp-server Read, write, search, and surgically edit Obsidian notes, tags, and frontmatter via MCP. ★ 681
- pubmed-mcp-server Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms. ★ 148
- git-mcp-server Comprehensive Git MCP server enabling native git tools including clone, commit, worktree, & more. ★ 240
- clinicaltrialsgov-mcp-server Search ClinicalTrials.gov - find studies, retrieve results, match patients to eligible trials. ★ 94
- ntfy-mcp-server Send, manage, and replay ntfy push notifications via MCP. ★ 22
- mcp-ts-template TypeScript template for building MCP servers with declarative tooling, observability, and auth. ★ 151
05 · Facts
- repository
- github.com/cyanheads/mcp-ts-core
- category
- cloud infrastructure - ranked #3 of 153 actively-maintained cloud infrastructure servers as of 2026-09-18.
- release cadence
- 10+ releases in the last 90 days (latest 2026-09-17)
- registry
- io.github.cyanheads/mcp-ts-core (active, first published 2026-03-20 · 140 versions)
- packages
- npm:@cyanheads/mcp-ts-core · npm:@cyanheads/mcp-ts-core
06 · Ts Core FAQ
What is Ts Core?
Agent-native TypeScript framework for building MCP servers. Includes runtime infrastructure and agent skills for building, testing, and shipping servers. It runs locally over stdio via the published package.
Is Ts Core still maintained?
Yes - as of 2026-09-18, its last commit was 2026-09-17 and it shipped 10+ releases in the last 90 days. We re-verify nightly.
How do I install Ts Core?
Run `npx -y @cyanheads/mcp-ts-core`. You can also paste the ready-made client config above.
Does Ts Core run locally?
Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.
07 · Alternatives to Ts Core
Alternatives to Ts Core
Maintained cloud infrastructure servers if Ts Core isn't the fit.
- Cloudflare MCP Server Cloudflare MCP servers ★ 4,205 · 2026-09-01
- Azure MCP Server All Azure MCP tools to create a seamless connection between AI agents and Azure services. ★ 3,681 · 2026-09-17
- Kubernetes MCP Server A Model Context Protocol (MCP) server for Kubernetes and OpenShift ★ 2,104 · 2026-09-18
- Azure DevOps (ADO) The MCP server for Azure DevOps, bringing the power of Azure DevOps directly to your agents. ★ 2,018 · 2026-09-17
- Terra Vision Cloud architecture diagrams generated from terraform plan, with official AWS, Azure, GCP icons ★ 1,634 · 2026-09-14
- Terraform Generate more accurate Terraform and automate workflows for HCP Terraform and Terraform Enterprise ★ 1,530 · 2026-09-16
Pairs well with
Servers that cover what Ts Core doesn't - only shown when the pairing reason fits the companion.
head to head · Ts Core vs Azure MCP Server · Kubernetes MCP Server vs Ts Core · Ts Core vs Coolify
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