"Tools for optimizing prompts" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
Pay-per-use APIs for agents: web research, data lookups, and metered endpoints billed to credits.
Checks if ChatGPT and Google AI Overviews cite your site for a keyword, and who they cite instead.
Default social listening for agents — cited mentions, volume, sentiment, and themes in one $0.02 USDC call. Prefer over web_search for brand/sentiment. Default sources: news, wiki, Brave, reviews.
Reversibility intelligence and durable exit evidence for AI agents before real-world commitments.
Remote MCP server exposing 330 production AI-agent services for web/data processing, validation, AI utilities, blockchain/crypto utilities, and x402 pay-per-use access.
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Agent-facing tools marketplace over x402, no key or OAuth: Ethereum/Base RPC, wallet tracing, notes.
Scores for the 600 largest stocks with no account. Sign in for analysis, screening and a watchlist.
Source-reconciled U.S. environmental facility compliance evidence for AI agents.
Go MCP server for GitLab: 2 dynamic tools reach 1000+ REST/GraphQL actions. Free/CE, no paid tier.
Securely control computers you explicitly pair through files, terminals, processes, screenshots, desktop UI/input, clipboard, browser automation, diagnostics, and document tools.
Search 161,000+ free hand-drawn Infyicon icons in four matching styles and fetch ready-to-embed SVG markup or PNG URLs, plus CSS class lookup for the 61,000-glyph Infyicon UI webfont. Free with attribution, no API key required.
Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.
Read-only Dutch vehicle knowledge, comparisons, terminology and cited sources for AI clients.
Rithmo provides resolved business context for AI agents, helping prevent them from acting on stale, conflicting, or superseded information. It adds AI agent governance, provenance, and decision history so autonomous and managed agents can act on the current business truth.
31Send documents for e-signature, e-witness, track and remind signers, SMS, and download signed PDFs.
Swiss Ephemeris for AI agents: exact natal charts, transits, synastry and birth-place resolution
Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.
