OpenRouter for tools

Liam HorneOct 2, 2026

Going to shamelessly share something we're working on at Tempo right now called Mercator The basic idea is aggregating 100+ services for agents (like web search, video generation, lead enrichment, bloomberg-like financial data, etc) into a single open marketplace of paid APIs where the best performing can compete for your prompt Not this: "use my elevenlabs API key and exa API key to produce a researched video on this topic" This: "use mercator to make a well researched video on this topic" Would love any feedback on the product and general idea space. We're trying to predict what the future will look like as agent queries become increasingly more specific and the internet molds around their needs!

Read original source ↗

Discussion

Zach Davidson Oct 2, 2026, 4:36 PM UTC

this is sick! will spend some time with it this wknd

Daniel Hunter Oct 2, 2026, 4:38 PM UTC

Great idea with obvious use cases. I've seen similar products pop up on various feeds, what's the key differentiator for Mercator? Also, your "not this, but this" framing should be above the fold on your site :)

Trace Cohen Oct 2, 2026, 4:56 PM UTC

Interesting so like a smart ai bundle to choose from - but what Ai etc harness will win out? Speed, cost, accuracy and how well do they all play together?

Liam Horne Oct 2, 2026, 5:06 PM UTC

In reply to a comment

I don't think there will be a single winning AI harness, that's what this is a bet on - there will be several harnesses in many different environments. Some will try to bundle this all into their core product (e.g., ChatGPT) but others will just want an off-the-shelf gateway to the internet of agent tools, which this is

Liam Horne Oct 2, 2026, 5:09 PM UTC

In reply to a comment

(a) Mercator does a lot under the hood to find and quote the best possible tools for your prompt and (b) it executes all of the payments durably on stablecoin rails - with a really slick onramp that we built into it - so it doesn't even feel like a crypto or stablecoin thing even though it fully uses the latest stuff on Tempo Read more here https://tempo.xyz/developers/blog/introducing-mercator

Ravish Agrawal Oct 2, 2026, 6:15 PM UTC

i was discussing this with a friend yesterday. Codex has open sourced their harness and our conclusion was that this will be become more and more important as we see more harness building tools come to the market.

Eric Diep Oct 2, 2026, 6:48 PM UTC

nice! would be fun to test this as a resource for manifold's agent for onchain creators. is there a preferred setup aside from "use mercator" as the prompt trigger word?

RhysOct 2, 2026, 7:55 PM UTC

This is great. Good to have more programming in English. Cool to bring the SaaS market to the agents.