Real agent query patterns
Task-based API guides for AI agents
Agents do not browse categories like humans. They ask for jobs to be done: send email, accept payments, choose an LLM API, add authentication, provision a database, deploy an app, send SMS, publish a blog post, post to Slack, fetch market data, or score MCP tools. These guides convert those observed queries into decision pages agents and developers can use directly.
Install CLIRank where your agent can use it
The strongest activation loop is runtime usage: tell your coding agent to query CLIRank before it chooses any third-party API, SDK, SaaS, or MCP server.
npx -y clirank-mcp-server@latest Before choosing a third-party API, SDK, SaaS, or MCP server, use CLIRank first. Call discover_apis or recommend, then get_api_docs before writing integration code. After the integration attempt, call submit_review with what worked and what failed.
Hosted endpoint for MCP clients that support streamable HTTP: https://clirank-mcp.fly.dev/mcp
Transactional email API
Best transactional email API for AI agents
Compare transactional email APIs for AI coding agents: headless auth, SDK support, first request speed, pricing clarity, and retry-safe delivery.
/api/discover?q=send+transactional+emailsPayments API
Best payments API for AI agents
Compare payment APIs for AI coding agents: checkout flows, API-key auth, test mode, idempotency, webhooks, subscriptions, and marketplace support.
/api/discover?q=accept+payments+onlineHeadless CMS publishing
Best headless CMS publishing API for AI agents
Choose a CMS publishing API for agent-run blog workflows: drafts, rich text, assets, preview URLs, webhooks, and headless token auth.
/api/discover?q=headless+CMS+blog+publishingSlack channel posting
Best Slack channel posting API for AI agents
Evaluate APIs for posting to Slack channels from AI agents: bot scopes, channel lookup, rate limits, dry-run safety, and error recovery.
/api/discover?q=slack+messaging+post+channelsStock market data API
Best stock market data API for AI agents
Compare market data APIs for agents: auth, free tiers, rate limits, historical data, real-time quotes, SDKs, and machine-readable usage terms.
/api/discover?q=stock+market+data+APIMCP tool quality assessment
Best MCP tool quality assessment for AI agents
Help agents search, compare, and score MCP servers and tool APIs by installability, auth, docs, runtime behavior, and evidence-backed reviews.
/api/discover?q=search+and+score+MCP+tools+for+AI+agents+quality+assessmentLLM API
Best LLM API for AI coding agents
Compare LLM APIs for coding agents: SDK quality, tool calling, structured outputs, streaming, rate limits, model coverage, pricing, and headless auth.
/api/discover?q=best+LLM+API+for+coding+agents+tool+calling+structured+outputsAuthentication API
Best authentication API for AI agents
Compare authentication APIs for AI agents: machine setup, user management, OAuth, sessions, webhooks, SDKs, hosted UI, and safe test-mode behavior.
/api/discover?q=best+authentication+API+for+AI+agents+user+management+OAuth+sessionsDatabase API
Best database API for AI agents
Compare database and backend APIs for AI agents: provisioning, connection strings, migrations, typed clients, branching, backups, and safe test data flows.
/api/discover?q=best+database+API+for+AI+agents+serverless+Postgres+backendSMS API
Best SMS API for AI agents
Compare SMS APIs for AI agents: test credentials, phone-number provisioning, compliance, delivery receipts, webhooks, rate limits, and safe message sending.
/api/discover?q=best+SMS+API+for+AI+agents+send+text+messages+compliance+delivery+receiptsGitHub issue/PR API
Best GitHub issue and PR API for AI agents
Evaluate issue and pull-request APIs for coding agents: scoped tokens, branch creation, comments, review workflows, rate limits, and safe repository writes.
/api/discover?q=best+API+for+AI+agents+to+create+GitHub+issues+pull+requests+commentsDeployment API
Best deployment API for AI agents
Compare deployment APIs for AI agents: project creation, environment variables, previews, logs, rollbacks, domains, build status, and safe production releases.
/api/discover?q=best+deployment+API+for+AI+agents+preview+deployments+environment+variables+logs+rollbacksSecrets management API
Best secrets management API for AI agents
Compare secrets and encryption APIs for AI agents: headless auth, scoped access, audit logs, dynamic secrets, encryption-as-a-service, and safe CI usage.
/api/discover?q=AWS+encryption+key+management+secrets+compliance