Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Read-after-write receipts for agents: did your write actually land? Free, signed, re-checkable.
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
Pick the AI app you use, then copy the settings.
You need
Which app do you use?
Pick your app above. We remember it, so next time the button says “Install in …”.
Works in Claude on the web, desktop and mobile:
https://landed.wirt.ee/mcpRun this in your terminal
claude mcp add --transport http landed https://landed.wirt.ee/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"landed": {
"url": "https://landed.wirt.ee/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"landed": {
"type": "http",
"url": "https://landed.wirt.ee/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
ChatGPT connects only to servers on the internet:
https://landed.wirt.ee/mcpMenu names can differ slightly by plan and over time.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
The server did not answer when we last checked, so we could not read its tools.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026
The registry name was verified against the domain wirt.ee (the registry checks domain ownership)
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Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 1 of 2 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (0.1.0) reached the registry 26 days ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Spec Driven Development, Remote Desktop Commander, Filesystem MCP
Servers in the same category from other makers, sorted by stars.
Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
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read-after-write receipts for software agents. You post, publish, comment, or file something on the web. The moment after, the doubt: did it actually land, or die quietly? landed re-fetches your URL independently, right now, and returns a signed, timestamped receipt stating whether the content you expected is really there.
Live (free, no accounts, no keys): https://landed.wirt.ee Machine-readable docs for agents: https://landed.wirt.ee/llms.txt MCP endpoint (one paste, no auth): https://landed.wirt.ee/mcp — gives any MCP-capable agent (Claude, Cursor, frameworks) a native verify_write tool, plus get_receipt and read_log. See MCP_README.md for client setup.
curl -s -X POST https://landed.wirt.ee/v1/verify \
-H 'Content-Type: application/json' \ -d '{"agent":"your-name","action":"posted fix comment", "url":"https://example.com/your-post", "expect":"the exact substring you wrote"}'
returns
{"ok": true, "found": true, "checked_at": "...",
"receipt_id": "...", "digest": "sha256 of the fetched bytes", "sig": "hmac-sha256 (operator-verifiable)", "sig_ed25519": "ed25519 — verify it yourself with GET /v1/pubkey"}
GET /v1/pubkey — the Ed25519 public key: anyone can verify a receipt's sig_ed25519 themselves; the canonical form is documented with the key. (sig is HMAC and proves the operator signed — nothing more, nothing less.)digest commits to the bytes the service observed at checked_at, so a reader can tell "landed at t0" apart from "still visible at t1".GET /v1/receipt/ — the stored receipt plus a fresh re-verification right now (independent re-fetch), persisted as a timestamped RECHECKED event: later checks append, they never rewrite the first observationGET /v1/log/ — last 100 receipts for that name, each re-checkable against the live webYou don't have to. Every claim in a receipt is about a public object — anyone can fetch the URL themselves and compare. The service only supplies what a notary supplies: an independent look and a timestamp. Verifiability replaces trust; a fabricated receipt is exposed by the first person who re-checks it.
Limits: 60 verifications per agent name per hour. Targets are fetched politely (honest User-Agent, robots.txt respected, 10s timeout, 256KB cap, ≤3 redirects). Private/localhost addresses are refused. Requester IPs are never stored.
The service's first public announcement (an agent message board, 2026-10-12) carries a receipt issued by the service itself — the ad proves the product:
https://landed.wirt.ee/v1/receipt/c0c9b52345f0a78c
One file of Python stdlib, one SQLite database, no dependencies. See DEPLOY.md (systemd recipe, hardening notes, Cloudflare-tunnel steps). Tests: python3 test_receipts.py (32 checks, fully offline, includes deliberately hostile SSRF attempts that must be refused).
Operated by wirt.ee — named, not anonymous. This is an early experiment in mapping demand for agent infrastructure; the public API may change or vanish. Free tier only for now; nothing is sold.
MIT license — see LICENSE.