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Rewrite X MCP guide for auto-credits and connector-only auth #277

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Rewrite X MCP guide for auto-credits and connector-only auth #277

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d2ba88f
Rewrite the X MCP guide for auto-credits and connector-only auth.
vaulpannx Aug 27, 2026
4a5bc62
Tighten X MCP guide from review: congrats, credits-tool, and copy.
vaulpannx Aug 27, 2026
bb0a6fa
Merge branch 'main' into pvann/x-mcp-guide-auto-credits
vaulpannx Aug 27, 2026
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2 changes: 1 addition & 1 deletion third_party/x/.cursor-plugin/plugin.json
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@@ -1,7 +1,7 @@
{
"name": "x",
"displayName": "X",
"version": "2.1.0",
"version": "2.2.0",
"minClientVersions": {
"cursor": "3.13.0"
},
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8 changes: 8 additions & 0 deletions third_party/x/CHANGELOG.md
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Expand Up @@ -2,11 +2,19 @@

All notable changes to this plugin will be documented here.

## 2.3.0 — Auto credits, missing-tools failure, never pay first

- Developer accounts are auto-created and auto-credited. On connect, agents confirm X tools exist, fetch `get_usage_credits`, then congratulate with “you've received free X API credits to get started” (no dollar amount). Starter amounts by plan (Ultra $100, SuperGrok Plus $50, Pro+ $30, Pro $10) only if the user asks how much they received. Remaining balance (`total_balance`) is for budgets and “what's left.”
- Connected-but-no-tools (`user-X-*` not found, `tools=0`) is the account-not-ready failure: clear/reinstall the X connection, then console.x.com developer account + Default Project + App if it still fails. Old 403 enrollment is the same error. Do not treat this as a paywall.
- Never tell the user to buy credits until after `get_usage_credits`. ~$0 remaining still goes to https://console.x.com. Added budget-tier workflows keyed off `total_balance`.
- Do not sign in via the agent browser or ask for Bearer tokens — X plugin Connect only.

## 2.2.0 — developer scopes

- Requested `developer.write` and `developer.billing.write`, and dropped `billing.write`, matching the scopes the X MCP server now advertises at `https://api.x.com/.well-known/oauth-protected-resource/mcp`.
- Existing installs need to sign in to X again to pick up the new scopes.


## 2.1.0 — X MCP guide skill

- Added the X MCP guide skill: tells agents how to handle sign-in, onboarding, and out-of-credits errors with simple user-facing messages, plus session-start, search, pagination, and cost-aware workflow rules.
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