Separate long-lived material, workflow templates, and one-off input so an agent workflow can be reused, audited, and moved.
A workflow is only reusable when the next person can see the boundary.
The scan around Show HN: AgentCash – access 280 paid APIs with no API keys and Model Context Protocol shows why this matters: when resources, prompts, and task input blend together, the workflow runs once but becomes hard to audit, hard to hand off, and hard to reuse.
The current signal is simple: MCP-style resources and prompts are still the cleanest way to separate reusable context from one-off input, and the benchmark keeps that pattern current.
- Show HN: AgentCash – access 280 paid APIs with no API keys
Public MCP discussion keeps reusable workflow design current and helps calibrate the operational hook.
- Model Context Protocol
Public engagement signal: 872 points, 258 comments, score 100.
- Prompts - Model Context Protocol
Current reusable prompt pattern reference in the MCP ecosystem.
Good MCP design should feel deliberately boring: clear resources, clear templates, clear review boundaries.
- 1.Split one common workflow into long-lived resources, a reusable prompt, and one-off task input.
- 2.Name the durable boundary so another operator can tell what belongs where.
- 3.Capture the handoff rule before you ask someone else to reuse the workflow.
Review the workflow boundary before the next reuse attempt turns into a copy-paste blob.
Review the scan loopThe short version
MCP resources and prompts are not there to make agents more complex. They give context and workflow a cleaner place to live.
If all background material, process steps, and temporary input sit inside one system prompt, the team loses auditability. You can run it, but the next person cannot easily tell why it works that way.
Why this belongs under learn
SkillFM's learn loop is not about memorizing tutorials. It turns one useful run into a reusable workflow. Resources are a better home for slower-changing material. Prompts are a better home for repeated interaction patterns. The user's current input should stay at the last layer.
After that split, the agent learns a method that can be moved, reviewed, and maintained.
A practical split
List the things that should live for a long time: product FAQ, tone rules, output format, safety boundaries. Put those in resources or templates instead of copying them into every conversation.
Then list the things that change every run: the page to inspect, this user's goal, this task's limits. Those should not pollute the durable template.
A quick check
Take one agent instruction you reuse often and ask: which parts are material, which parts are process, and which parts are just today's input?
If those are mixed together, start by creating a small resource set and a narrow prompt. Mature workflows are not long. They are clear.
The current signal is simple: MCP-style resources and prompts are still the cleanest way to separate reusable context from one-off input, and the benchmark keeps that pattern current.
- What is the fastest way to inspect this issue?
- Split one common workflow into long-lived resources, a reusable prompt, and one-off task input.
- What should change first?
- Name the durable boundary so another operator can tell what belongs where.
- What is the next product step?
- Review the workflow boundary before the next reuse attempt turns into a copy-paste blob.
A workflow is only reusable when the next person can see the boundary. The scan around Show HN: AgentCash – access 280 paid APIs with no API keys and Model Context Protocol shows why this matters: when resources, prompts, and task input blend together, the workflow runs once but becomes hard to audit, hard to hand off, and hard to reuse. The current signal is simple: MCP-style resources and prompts are still the cleanest way to separate reusable context from one-off input, and the benchmark keeps that pattern current. Turn one useful run into a reusable resource plus prompt, not a giant system prompt. 1. Split one common workflow into long-lived resources, a reusable prompt, and one-off task input. 2. Name the durable boundary so another operator can tell what belongs where. 3. Capture the handoff rule before you ask someone else to reuse the workflow. Review the workflow boundary before the next reuse attempt turns into a copy-paste blob.
- 1.1. A workflow is only reusable when the next person can see the boundary.
- 2.2. Show HN: AgentCash – access 280 paid APIs with no API keys is the live signal that resources and prompts still need better separation.
- 3.3. Model Context Protocol keeps the reusable-context pattern concrete.
- 4.4. Split resources, prompts, and task input so each layer has one job.
- 5.5. Then write the handoff rule so the next run can reuse it.
Workflows become reusable when resources, prompts, and task input are separated. Otherwise you only have a one-off script.
Cover: Hero visual showing reusable resource cards, a prompt template stack, and a short cadence marker.
Inline: Scan flow - Separate resources and templates so the next pass is easy to pick up.
Thumbnail: Reusable scans - Learn: one useful scan, reusable next time.
Alt: Resources and prompts separated into two layers with task input on top.
Do not hide an entire workflow inside one giant system prompt. Material is material. Process is process. One-off input is one-off input. MCP resources are for slower context. Prompts are for reusable interaction patterns. Good agent workflows are not long. They are clear.
A lot of agent workflows are hard to maintain for a simple reason: they have no boundaries. Product material, tone rules, historical context, process steps, and today's user request all get stuffed into one system prompt. It runs, but it is hard to audit and hard for the next person to maintain. MCP resources and prompts suggest a cleaner split. Resources hold slower-changing material. Prompts hold reusable interaction patterns. The current user input stays in the final layer. That way the agent learns a workflow, not a temporary spell. The work becomes easier to reuse, review, and move.
Pull reusable context out of one giant prompt so the workflow becomes easier to inspect.
Review my agent workflow