Standard
OAuth 2.0 is an industry-standard authorization framework letting apps obtain limited access to user resources via tokens, without sharing passwords.
OpenAI's Sign in with ChatGPT lets Plus and Pro users run an app's AI requests on their own plan, up to a weekly cap they set per app. That cap reserves none of the user's quota, so builders still need their own API key for any request the plan cannot cover.
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Apple shuts down its Search Ads Campaign Management API v4 and v5 on January 26, 2027, in favour of the Platform API at api.ads.apple.com/v1. The Platform API also exposes Apple's search-term popularity scores to code for the first time, with history from October 2025.
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Silent MCP disconnects in Copilot CLI, Gemini CLI, Cursor, Codex and Open WebUI trace to 401 and 404 errors handled as one failure, a dev.to post argues. Tokens need a refresh and sessions need a new initialize, so clients and gateways need two recovery paths.
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Consent phishing, the most common OAuth entry point according to SC World, leaves a victim tenant three audit events and no app registration record. Registration monitoring misses it, so the hunt moves to consent and delegated-grant operations in the defender's own logs.
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Agenthof, an Apache-2.0 Go gateway, holds MCP server credentials so a hijacked agent can steal only a revocable per-run token, a dev.to walkthrough shows. Every tool call crosses the gateway, so it can also refuse ungranted tools and log each call to a hash-chained ledger.
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A dev.to design post puts a per-task scope check under every tool invocation and caps the agent's cloud credentials at fifteen minutes. The restrictions work by taking capability away from the model.
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A one-person dev shop wired Gmail into Claude and out to Slack, scoring each support message 0 to 100 and leaving the assignee to a plain Python lookup table. Nothing sends until a person clicks approve.
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The pattern treats each MCP tool invocation on Amazon Quick as an access event and checks MFA, country, group-to-role mapping and tool permission against claims Entra ID puts in the token. Configuring the identity provider is most of the work.
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IFTTT's authorization redirect arrives with no code_challenge, and an authorization server that mandates PKCE answers invalid_request. Publora's developer kept the requirement and put a Cloudflare Worker in front of it.
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AgentCore Identity now hosts the redirect leg and keeps the tokens, and what you configure in exchange is an OIDC application in your corporate IdP, a service role, and AWS's callback URL inside your GitHub and Slack apps.
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Cognito validates the redirect target by matching it against the app client's allowed callback list, so a development entry nobody removed is a valid destination for an authorization code, or for the tokens themselves where implicit grant is still on.
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Seven Claude Code subagents produced 382 commits, 24 board meetings and 16 articles in 21 days, and no revenue. The reusable part of the writeup is the runner that treated exit code 0 as proof the work happened.
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Drawing on public comments to its NCCoE concept paper, NIST argues that each agent needs its own identifier and entitlements, and notes that the enterprise protocols for delegating that access already exist.
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The ext-auth repo holds two files: a stable extension that authenticates a person through an IdP redirect, and a draft machine flow that hands the agent a pre-registered key it has to keep. Both agent-identity proposals are open.
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The Cloud Security Alliance has published something a security team can genuinely gate on, provided that team is willing to read the repository rather than the blog post, and to write its authorization rules as code.
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One authentik CVE covers a token endpoint accepting a missing code_verifier; another, six months later, covers an authorization endpoint accepting a missing code_challenge. OpenAM's equivalent check ships switched off.
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The token standards for delegated machine authority are older than the agent boom, yet nothing portable records how far a mandate extends once it crosses company lines, which leaves accountability for a committed purchase unsettled.
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A dev.to walkthrough of Auth0-style reuse detection puts the whole detector in two lookups: is this token spent, and is its family still active. Delete-on-rotate can answer neither of them.
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A build log for an unattended AI avatar channel reports that Twitch accepts an invalid key and quietly drops the ingest, which leaves the platform as the only place a liveness check can honestly terminate.
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A dev.to writeup argues the intermittent OAuth failure is a concurrency bug on a rotating token, and that retrying it looks exactly like the replay attack reuse detection exists to catch.
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